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{{short description|Genus of flowering plants in the palm family Arecaceae}}
{{italic title}}
{{Automatic taxobox
|image = Calamus gibbsianus.jpg
|image_caption = ''[[Calamus gibbsianus]]''
|display_parents = 2
|taxon = Calamus (palm)
|authority = [[Carl Linnaeus|L.]]
|subdivision_ranks = Species
|subdivision = Numerous, see text
|synonyms =
{{Genus list
|Calospatha|Becc.
|Ceratolobus|Blume ex Schult. & Schult.f.
|Cornera|Furtado
|Daemonorops|Blume
|Palmijuncus|Rumph. ex Kuntze
|Pogonotium|J.Dransf.
|Retispatha|J.Dransf.
|Rotang|Adans.
|Rotanga|Boehm.
|Schizospatha|Furtado
|Zalaccella|Becc.
}}
|synonyms_ref = {{R|POWO}}
}}

'''''Calamus''''' is a [[genus]] of [[flowering plant]]s in the palm family [[Arecaceae]] that are among several genera known as [[rattan]] palms. There are an estimated 400 species in this genus, all native to tropical and subtropical [[Asia]], [[Africa]], and [[Australia]].{{R|KEWCHECKLIST|WCOP|FOC}}

==Description==
They are [[dioecious]],{{R|TGG}} mostly leaf-climbing [[liana]]s with slender, reedy [[Plant stem|stems]]. To aid scrambling some species have evolved hooks on the underside of the midrib, or more commonly by modified "pinnae" or [[tendril]]s in the form of stout, backward-pointing spines. These stems may grow to lengths of 200 metres.{{R|DFPF}}{{sfn|Dransfield|1978}}

The fruits of certain species, in particular ''[[Calamus draco]]'', produce a red resin known as "[[Dragon's blood]]".{{R|GIBBS}}

== Species ==
{{As of|2022|April}}, ''[[Plants of the World Online]]'' recognises 415 species:{{R|POWO}}
{{div col|colwidth=22em}}
# ''[[Calamus acamptostachys]]'' (Becc.) W.J.Baker
# ''[[Calamus acanthochlamys]]'' J.Dransf.
# ''[[Calamus acanthophyllus]]'' Becc.
# ''[[Calamus acanthospathus]]'' Griff.
# ''[[Calamus acaulis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus adspersus]]'' Blume
# ''[[Calamus aidae]]'' Fernando
# ''[[Calamus albidus]]'' L.X.Guo & A.J.Hend.
# ''[[Calamus altiscandens]]'' Burret
# ''[[Calamus andamanicus]]'' Kurz
# ''[[Calamus anomalus]]'' Burret
# ''[[Calamus applanatus]]'' (A.J.Hend. & N.Q.Dung) A.J.Hend.
# ''[[Calamus arborescens]]'' Griff.
# ''[[Calamus aruensis]]'' Becc.
# ''[[Calamus arugda]]'' Becc.
# ''[[Calamus ashtonii]]'' J.Dransf.
# ''[[Calamus asperrimus]]'' Blume
# ''[[Calamus asteracanthus]]'' (Becc.) W.J.Baker
# ''[[Calamus ater]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus australis]]'' Mart.
# ''[[Calamus axillaris]]'' Becc.
# ''[[Calamus bacularis]]'' Becc.
# ''[[Calamus badius]]'' J.Dransf. & W.J.Baker
# ''[[Calamus baiyerensis]]'' W.J.Baker & J.Dransf.
# ''[[Calamus balerensis]]'' Fernando
# ''[[Calamus balingensis]]'' Furtado
# ''[[Calamus banggiensis]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus bankae]]'' W.J.Baker & J.Dransf.
# ''[[Calamus baratangensis]]'' Renuka & Vijayak.
# ''[[Calamus barbatus]]'' Zipp. ex Blume
# ''[[Calamus barfodii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus barisanensis]]'' A.J.Hend.
# ''[[Calamus batanensis]]'' (Becc.) Baja-Lapis
# ''[[Calamus beccarii]]'' A.J.Hend.
# ''[[Calamus bicolor]]'' Becc.
# ''[[Calamus billitonensis]]'' Becc. ex K.Heyne
# ''[[Calamus bimanifer]]'' T.Evans, Sengdala, Viengkham, Thamm. & J.Dransf.
# ''[[Calamus boniensis]]'' Becc. ex K.Heyne
# ''[[Calamus bousigonii]]'' Pierre ex Becc.
# ''[[Calamus brandisii]]'' Becc.
# ''[[Calamus brevicaulis]]'' (A.J.Hend. & N.Q.Dung) W.J.Baker
# ''[[Calamus brevissimus]]'' A.J.Hend.
# ''[[Calamus brunneus]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus bulubabi]]'' W.J.Baker & J.Dransf.
# ''[[Calamus burckianus]]'' Becc.
# ''[[Calamus burkillianus]]'' Becc. ex Ridl.
# ''[[Calamus caesius]]'' Blume
# ''[[Calamus calapparius]]'' Mart.
# ''[[Calamus calciphilus]]'' A.J.Hend.
# ''[[Calamus calicarpus]]'' Griff.
# ''[[Calamus calospathus]]'' (Ridl.) W.J.Baker & J.Dransf.
# ''[[Calamus capillosus]]'' W.J.Baker & J.Dransf.
# ''[[Calamus carsicola]]'' Adorador & Fernando
# ''[[Calamus caryotoides]]'' A.Cunn. ex Mart.
# ''[[Calamus castaneus]]'' Griff.
# ''[[Calamus caurinus]]'' A.J.Hend. & Rustiami
# ''[[Calamus centralis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus ceratophorus]]'' Conrard
# ''[[Calamus cheirophyllus]]'' J.Dransf. & W.J.Baker
# ''[[Calamus ciliaris]]'' Blume
# ''[[Calamus cinereus]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus clivorum]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus cockburnii]]'' J.Dransf.
# ''[[Calamus compsostachys]]'' Burret
# ''[[Calamus comptus]]'' J.Dransf.
# ''[[Calamus concinnus]]'' Mart.
# ''[[Calamus concolor]]'' (Blume) W.J.Baker
# ''[[Calamus confusus]]'' (Furtado) W.J.Baker
# ''[[Calamus conirostris]]'' Becc.
# ''[[Calamus conjugatus]]'' Furtado
# ''[[Calamus conspectus]]'' W.J.Baker
# ''[[Calamus convallium]]'' J.Dransf.
# ''[[Calamus crassifolius]]'' J.Dransf.
# ''[[Calamus crinitus]]'' (Blume) Miq.
# ''[[Calamus cristatus]]'' (Becc.) W.J.Baker
# ''[[Calamus croftii]]'' J.Dransf. & W.J.Baker
# ''[[Calamus cumingianus]]'' Becc.
# ''[[Calamus cuthbertsonii]]'' Becc.
# ''[[Calamus dasyacanthus]]'' W.J.Baker, Bayton, J.Dransf. & Maturb.
# ''[[Calamus deerratus]]'' G.Mann & H.Wendl.
# ''[[Calamus delicatulus]]'' Thwaites
# ''[[Calamus densifloropsis]]'' A.J.Hend.
# ''[[Calamus densiflorus]]'' Becc.
# ''[[Calamus depauperatus]]'' Ridl.
# ''[[Calamus dianbaiensis]]'' C.F.Wei
# ''[[Calamus didymocarpus]]'' Warb. ex Becc.
# ''[[Calamus diepenhorstii]]'' Miq.
# ''[[Calamus digitatus]]'' Becc.
# ''[[Calamus dilaceratus]]'' Becc.
# ''[[Calamus dioicus]]'' Lour.
# ''[[Calamus discolor]]'' Mart.
# ''[[Calamus disjunctus]]'' A.J.Hend.
# ''[[Calamus distentus]]'' Burret
# ''[[Calamus divaricatus]]'' Becc.
# ''[[Calamus divergens]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus dongnaiensis]]'' Pierre ex Becc.
# ''[[Calamus dracunculus]]'' (Ridl.) W.J.Baker
# ''[[Calamus dumetosus]]'' (J.Dransf.) A.J.Hend. & Floda
# ''[[Calamus egregius]]'' Burret
# ''[[Calamus elegans]]'' Becc. ex Ridl.
# ''[[Calamus erectus]]'' Roxb.
# ''[[Calamus erinaceus]]'' (Becc.) Becc.
# ''[[Calamus erioacanthus]]'' Becc.
# ''[[Calamus erythrocarpus]]'' W.J.Baker & J.Dransf.
# ''[[Calamus essigii]]'' W.J.Baker
# ''[[Calamus eugenei]]'' W.J.Baker
# ''[[Calamus evansii]]'' A.J.Hend.
# ''[[Calamus exiguus]]'' A.J.Hend.
# ''[[Calamus exilis]]'' Griff.
# ''[[Calamus fertilis]]'' Becc.
# ''[[Calamus filipendulus]]'' Becc.
# ''[[Calamus filispadix]]'' Becc.
# ''[[Calamus fissilis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus flabellatus]]'' Becc.
# ''[[Calamus flagellum]]'' Griff. ex Walp.
# ''[[Calamus floribundus]]'' Griff.
# ''[[Calamus formicarius]]'' (Becc.) W.J.Baker
# ''[[Calamus formosanus]]'' Becc.
# ''[[Calamus furvus]]'' A.J.Hend.
# ''[[Calamus gaharuensis]]'' A.J.Hend.
# ''[[Calamus gajoensis]]'' A.J.Hend. & Rustiami
# ''[[Calamus gamblei]]'' Becc.
# ''[[Calamus geniculatus]]'' Griff.
# ''[[Calamus gibbsianus]]'' Becc.
# ''[[Calamus glaucescens]]'' (Blume) D.Dietr.
# ''[[Calamus godefroyi]]'' Becc.
# ''[[Calamus gonospermus]]'' Becc.
# ''[[Calamus goramensis]]'' A.J.Hend.
# ''[[Calamus gracilipes]]'' Miq.
# ''[[Calamus gracilis]]'' Roxb.
# ''[[Calamus griseus]]'' J.Dransf.
# ''[[Calamus guruba]]'' Buch.-Ham. ex Mart.
# ''[[Calamus hallierianus]]'' (Becc. ex K.Heyne) W.J.Baker
# ''[[Calamus harmandii]]'' Pierre ex Becc.
# ''[[Calamus heatubunii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus helferianus]]'' Kurz
# ''[[Calamus henryanus]]'' Becc.
# ''[[Calamus heteracanthopsis]]'' A.J.Hend.
# ''[[Calamus heteracanthus]]'' Zipp. ex Blume
# ''[[Calamus heteroideus]]'' Blume
# ''[[Calamus hirsutus]]'' (Blume) Miq.
# ''[[Calamus holttumii]]'' Furtado
# ''[[Calamus hookerianus]]'' Becc.
# ''[[Calamus horrens]]'' Blume
# ''[[Calamus hosensis]]'' A.J.Hend.
# ''[[Calamus hukaungensis]]'' A.J.Hend.
# ''[[Calamus impressus]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus inermis]]'' T.Anderson
# ''[[Calamus ingens]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus inops]]'' Becc. ex K.Heyne
# ''[[Calamus insignis]]'' Griff.
# ''[[Calamus insolitus]]'' A.J.Hend.
# ''[[Calamus insularis]]'' A.J.Hend.
# ''[[Calamus interruptus]]'' Becc.
# ''[[Calamus jacobsii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus javensis]]'' Blume
# ''[[Calamus johanis]]'' A.J.Hend.
# ''[[Calamus johndransfieldii]]'' W.J.Baker
# ''[[Calamus johnsii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus kampucheaensis]]'' A.J.Hend. & Hourt
# ''[[Calamus kandariensis]]'' Becc.
# ''[[Calamus karuensis]]'' Ridl.
# ''[[Calamus katikii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus kebariensis]]'' Maturb., J.Dransf. & W.J.Baker
# ''[[Calamus kinabaluensis]]'' A.J.Hend.
# ''[[Calamus kingianus]]'' Becc.
# ''[[Calamus kjellbergii]]'' Furtado
# ''[[Calamus klossii]]'' Ridl.
# ''[[Calamus kontumensis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus koordersianus]]'' Becc.
# ''[[Calamus kostermansii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus kubahensis]]'' A.J.Hend.
# ''[[Calamus kunstleri]]'' (Becc.) W.J.Baker
# ''[[Calamus lakshmanae]]'' Renuka
# ''[[Calamus lambirensis]]'' J.Dransf.
# ''[[Calamus lamprolepis]]'' (Becc.) W.J.Baker
# ''[[Calamus laoensis]]'' T.Evans, Sengdala, Viengkham, Thamm. & J.Dransf.
# ''[[Calamus lateralis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus latifolius]]'' Roxb.
# ''[[Calamus latus]]'' A.J.Hend.
# ''[[Calamus lauterbachii]]'' Becc.
# ''[[Calamus laxissimus]]'' Ridl.
# ''[[Calamus leiocaulis]]'' Becc. ex K.Heyne
# ''[[Calamus leloi]]'' J.Dransf.
# ''[[Calamus lengguanii]]'' A.J.Hend.
# ''[[Calamus leptopus]]'' Griff.
# ''[[Calamus leptospadix]]'' Griff.
# ''[[Calamus leptostachys]]'' Becc. ex K.Heyne
# ''[[Calamus lobatus]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus lobbianus]]'' Becc.
# ''[[Calamus loherianus]]'' (Becc.) W.J.Baker
# ''[[Calamus longibracteatus]]'' W.J.Baker
# ''[[Calamus longipes]]'' Griff.
# ''[[Calamus longipinna]]'' K.Schum. & Lauterb.
# ''[[Calamus longisetus]]'' Griff.
# ''[[Calamus longispatha]]'' Ridl.
# ''[[Calamus longiusculus]]'' A.J.Hend.
# ''[[Calamus lucysmithiae]]'' W.J.Baker & J.Dransf.
# ''[[Calamus macrochlamys]]'' Becc.
# ''[[Calamus macropterus]]'' Miq.
# ''[[Calamus macrorhynchus]]'' Burret
# ''[[Calamus macrosphaerion]]'' Becc.
# ''[[Calamus maculatus]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus mahanandensis]]'' S.Mondal, S.K.Basu & M.Chowdhury
# ''[[Calamus maiadum]]'' J.Dransf.
# ''[[Calamus malawaliensis]]'' J.Dransf.
# ''[[Calamus manan]]'' Miq.
# ''[[Calamus manglaensis]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus manillensis]]'' (Mart.) H.Wendl.
# ''[[Calamus marginatus]]'' (Blume) Mart. ex Walp.
# ''[[Calamus maturbongsii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus megaphyllus]]'' Becc.
# ''[[Calamus meghalayensis]]'' A.J.Hend.
# ''[[Calamus melanacanthos]]'' Mart.
# ''[[Calamus melanochaetes]]'' (Blume) Miq.
# ''[[Calamus melanochrous]]'' Burret
# ''[[Calamus melanoloma]]'' Mart.
# ''[[Calamus melanorhynchus]]'' Becc.
# ''[[Calamus metzianus]]'' Schltdl.
# ''[[Calamus micracanthus]]'' Griff.
# ''[[Calamus micranthus]]'' Blume
# ''[[Calamus microsphaerion]]'' Becc.
# ''[[Calamus minahassae]]'' Warb. ex Becc.
# ''[[Calamus minor]]'' A.J.Hend.
# ''[[Calamus minutus]]'' J.Dransf.
# ''[[Calamus mirabilis]]'' Mart.
# ''[[Calamus mitis]]'' Becc.
# ''[[Calamus modestus]]'' T.Evans & T.P.Anh
# ''[[Calamus mogeae]]'' J.Dransf.
# ''[[Calamus mollispinus]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus moorei]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus moorhousei]]'' Furtado
# ''[[Calamus moseleyanus]]'' Becc.
# ''[[Calamus moszkowskianus]]'' Becc.
# ''[[Calamus moti]]'' F.M.Bailey
# ''[[Calamus muelleri]]'' H.Wendl.
# ''[[Calamus multispicatus]]'' Burret
# ''[[Calamus muricatus]]'' Becc.
# ''[[Calamus myriacanthus]]'' Becc.
# ''[[Calamus myrianthus]]'' Becc.
# ''[[Calamus nagbettai]]'' R.R.Fernandez & Dey
# ''[[Calamus nambariensis]]'' Becc.
# ''[[Calamus nanduensis]]'' W.J.Baker & J.Dransf.
# ''[[Calamus nannostachys]]'' Burret
# ''[[Calamus nanodendron]]'' J.Dransf.
# ''[[Calamus nematospadix]]'' Becc.
# ''[[Calamus nicobaricus]]'' Becc.
# ''[[Calamus nielsenii]]'' J.Dransf.
# ''[[Calamus nitidus]]'' Mart.
# ''[[Calamus notabilis]]'' A.J.Hend.
# ''[[Calamus novae-georgii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus nudus]]'' W.J.Baker & S.Venter
# ''[[Calamus nuichuaensis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus nuralievii]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus obiensis]]'' A.J.Hend.
# ''[[Calamus oblatus]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus oblongus]]'' Reinw. ex Blume
# ''[[Calamus occidentalis]]'' Witono & J.Dransf.
# ''[[Calamus ochrolepis]]'' (Becc.) W.J.Baker
# ''[[Calamus ocreatus]]'' (A.J.Hend. & N.Q.Dung) W.J.Baker
# ''[[Calamus oligostachys]]'' T.Evans, Sengdala, Viengkham, Thamm. & J.Dransf.
# ''[[Calamus optimus]]'' Becc.
# ''[[Calamus oresbiopsis]]'' A.J.Hend.
# ''[[Calamus oresbius]]'' W.J.Baker & J.Dransf.
# ''[[Calamus ornatus]]'' Blume
# ''[[Calamus ovoideus]]'' Thwaites ex Trimen
# ''[[Calamus oxleyanus]]'' Teijsm. & Binn. ex Miq.
# ''[[Calamus oxleyoides]]'' A.J.Hend.
# ''[[Calamus oxycarpus]]'' Becc.
# ''[[Calamus oxycoccus]]'' W.J.Baker
# ''[[Calamus pachystemonus]]'' Thwaites
# ''[[Calamus padangensis]]'' Furtado
# ''[[Calamus pahangensis]]'' A.J.Hend.
# ''[[Calamus pandanosmus]]'' Furtado
# ''[[Calamus papuanus]]'' Becc.
# ''[[Calamus parutan]]'' Fernando
# ''[[Calamus parvulus]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus paspalanthus]]'' Becc.
# ''[[Calamus paulii]]'' J.Dransf.
# ''[[Calamus pedicellaris]]'' (Becc.) W.J.Baker
# ''[[Calamus pedicellatus]]'' Becc. ex K.Heyne
# ''[[Calamus penicillatus]]'' Roxb.
# ''[[Calamus perakensis]]'' Becc.
# ''[[Calamus peregrinus]]'' Furtado
# ''[[Calamus periacanthus]]'' (Miq.) Miq.
# ''[[Calamus pertenuis]]'' A.J.Hend. & Rustiami
# ''[[Calamus pholidostachys]]'' J.Dransf. & W.J.Baker
# ''[[Calamus pilosellus]]'' Becc.
# ''[[Calamus pilosissimus]]'' Becc.
# ''[[Calamus platyspathus]]'' Mart. ex Kunth
# ''[[Calamus plicatus]]'' Blume
# ''[[Calamus poensis]]'' Becc.
# ''[[Calamus pogonacanthus]]'' Becc. ex H.J.P.Winkl.
# ''[[Calamus pogonotium]]'' W.J.Baker
# ''[[Calamus poilanei]]'' Conrard
# ''[[Calamus politus]]'' (Fernando) W.J.Baker
# ''[[Calamus polycladus]]'' Burret
# ''[[Calamus posoanus]]'' Rustiami
# ''[[Calamus powlingii]]'' A.J.Hend.
# ''[[Calamus praetermissus]]'' J.Dransf.
# ''[[Calamus propinquus]]'' (Becc.) A.J.Hend.
# ''[[Calamus pseudoconcolor]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus pseudomollis]]'' Becc.
# ''[[Calamus pseudotenuis]]'' Becc.
# ''[[Calamus pseudozebrinus]]'' Burret
# ''[[Calamus psilocladus]]'' J.Dransf.
# ''[[Calamus pycnocarpus]]'' (Furtado) J.Dransf.
# ''[[Calamus pygmaeus]]'' Becc.
# ''[[Calamus quangngaiensis]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus radiatus]]'' Thwaites
# ''[[Calamus radicalis]]'' H.Wendl. & Drude
# ''[[Calamus radulosus]]'' Becc.
# ''[[Calamus reinwardtii]]'' Mart.
# ''[[Calamus reticulatus]]'' Burret
# ''[[Calamus retroflexus]]'' J.Dransf. & W.J.Baker
# ''[[Calamus rhabdocladus]]'' Burret
# ''[[Calamus rheedei]]'' Griff.
# ''[[Calamus rhomboideus]]'' Blume
# ''[[Calamus rhytidomus]]'' Becc.
# ''[[Calamus ridleyanus]]'' Becc.
# ''[[Calamus robinsonianus]]'' Becc.
# ''[[Calamus rotang]]'' L.
# ''[[Calamus ruber]]'' Reinw. ex Mart.
# ''[[Calamus rudentum]]'' Lour.
# ''[[Calamus rugosus]]'' Becc.
# ''[[Calamus rumphii]]'' Blume
# ''[[Calamus ruptilis]]'' (Becc.) W.J.Baker
# ''[[Calamus ruptiloides]]'' A.J.Hend.
# ''[[Calamus ruvidus]]'' Becc.
# ''[[Calamus sabalensis]]'' J.Dransf.
# ''[[Calamus salicifolius]]'' Becc.
# ''[[Calamus saltuensis]]'' A.J.Hend.
# ''[[Calamus samian]]'' Becc.
# ''[[Calamus sandsii]]'' Rustiami
# ''[[Calamus sarawakensis]]'' Becc.
# ''[[Calamus sashae]]'' J.Dransf. & W.J.Baker
# ''[[Calamus scabridulus]]'' Becc.
# ''[[Calamus scabrispathus]]'' Becc.
# ''[[Calamus scapiger]]'' (Becc.) W.J.Baker
# ''[[Calamus schistoacanthus]]'' Blume
# ''[[Calamus schlechteri]]'' (Burret) W.J.Baker
# ''[[Calamus schlechterianus]]'' Becc.
# ''[[Calamus scipionum]]'' Lour.
# ''[[Calamus scleracanthus]]'' Becc. ex K.Heyne
# ''[[Calamus sedens]]'' J.Dransf.
# ''[[Calamus senalingensis]]'' J.Dransf.
# ''[[Calamus septimus]]'' A.J.Hend. & Rustiami
# ''[[Calamus seriatus]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus seropakensis]]'' A.J.Hend.
# ''[[Calamus serpentinus]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus serrulatus]]'' Becc.
# ''[[Calamus sessiliflorus]]'' A.J.Hend. & Rustiami
# ''[[Calamus simplex]]'' Becc.
# ''[[Calamus siphonospathus]]'' Mart. ex Walp.
# ''[[Calamus smitinandii]]'' (J.Dransf.) A.J.Hend.
# ''[[Calamus sordidus]]'' J.Dransf.
# ''[[Calamus spanostachys]]'' W.J.Baker & J.Dransf.
# ''[[Calamus sparsiflorus]]'' (Becc.) W.J.Baker
# ''[[Calamus spectatissimus]]'' Furtado
# ''[[Calamus spiculifer]]'' J.Dransf. & W.J.Baker
# ''[[Calamus spinosus]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus spinulinervis]]'' Becc.
# ''[[Calamus spiralis]]'' A.J.Hend., N.K.Ban & N.Q.Dung
# ''[[Calamus suaveolens]]'' W.J.Baker & J.Dransf.
# ''[[Calamus subangulatus]]'' Miq.
# ''[[Calamus subsolanus]]'' A.J.Hend. & Rustiami
# ''[[Calamus sulawesiensis]]'' A.J.Hend.
# ''[[Calamus sumatranus]]'' (Becc.) A.J.Hend.
# ''[[Calamus superciliatus]]'' W.J.Baker & J.Dransf.
# ''[[Calamus susukensis]]'' A.J.Hend. & Rustiami
# ''[[Calamus symphysipus]]'' Mart. ex Walp.
# ''[[Calamus tadulakoensis]]'' A.J.Hend., Moh.Iqbal, Rusydi & Pitopang
# ''[[Calamus tambingensis]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus tapanensis]]'' A.J.Hend.
# ''[[Calamus temii]]'' T.Evans
# ''[[Calamus tenompokensis]]'' Furtado
# ''[[Calamus tenuis]]'' Roxb.
# ''[[Calamus tetradactyloides]]'' Burret
# ''[[Calamus tetradactylus]]'' Hance
# ''[[Calamus thwaitesii]]'' Becc.
# ''[[Calamus thysanolepis]]'' Hance
# ''[[Calamus timorensis]]'' Becc.
# ''[[Calamus trachycoleus]]'' Becc.
# ''[[Calamus trigynus]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus tumidus]]'' Furtado
# ''[[Calamus unifarius]]'' H.Wendl.
# ''[[Calamus unijugus]]'' (J.Dransf.) W.J.Baker
# ''[[Calamus ursinus]]'' (Becc.) W.J.Baker
# ''[[Calamus usitatus]]'' Blanco
# ''[[Calamus validus]]'' W.J.Baker
# ''[[Calamus vattayila]]'' Renuka
# ''[[Calamus velutinus]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus verticillaris]]'' Griff.
# ''[[Calamus vestitus]]'' Becc.
# ''[[Calamus vidalianus]]'' Becc.
# ''[[Calamus viminalis]]'' Willd.
# ''[[Calamus vinaceus]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus vinosus]]'' Becc.
# ''[[Calamus viridis]]'' A.J.Hend., Pitopang & Moh.Iqbal
# ''[[Calamus vitiensis]]'' Warb. ex Becc.
# ''[[Calamus walkeri]]'' Hance
# ''[[Calamus wanggaii]]'' W.J.Baker & J.Dransf.
# ''[[Calamus warayanus]]'' Adorador & Fernando
# ''[[Calamus warburgii]]'' K.Schum.
# ''[[Calamus wedaensis]]'' A.J.Hend.
# ''[[Calamus whitmorei]]'' J.Dransf.
# ''[[Calamus wightii]]'' Griff.
# ''[[Calamus womersleyi]]'' J.Dransf. & W.J.Baker
# ''[[Calamus wuliangshanensis]]'' San Y.Chen, K.L.Wang & S.J.Pei
# ''[[Calamus yentuensis]]'' A.J.Hend. & N.Q.Dung
# ''[[Calamus zebrinus]]'' Becc.
# ''[[Calamus zeylanicus]]'' Becc.
# ''[[Calamus zieckii]]'' Fernando
# ''[[Calamus zollingeri]]'' Becc.
# ''[[Calamus zonatus]]'' Becc.
{{div col end}}

==Uses==
The stems may be harvested for their cores, which are used for everything from [[Walking stick|canes]] to [[furniture]].

==References==
{{Reflist |refs=
<ref name="POWO">{{cite web |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:325996-2 |title=''Calamus'' L. |website=[[Plants of the World Online]] |publisher=[[Royal Botanic Gardens, Kew]] |access-date=9 April 2022}}</ref>

<ref name="KEWCHECKLIST">{{cite web|url=http://apps.kew.org/wcsp/namedetail.do?name_id=29331|title=World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew|website=apps.kew.org|access-date=14 March 2018}}</ref>

<ref name="WCOP">{{cite book |last1=Govaerts |first1=Rafaël |last2=Dransfield |first2=John |title=World Checklist of Palms |date=2005 |publisher=Royal Botanic Gardens Kew |isbn=1842460935}}</ref>

<ref name="FOC">{{cite web |title=''Calamus'' |url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=105020 |website=Flora of China |access-date=9 April 2022}}</ref>

<ref name="TGG">{{cite journal|doi=10.1007/s11295-017-1220-2|s2cid=3299464|title=Rapidly evolving sex-specific sequences in ''Calamus travancoricus'' Bedd. ex. Becc. and ''Calamus nagbettai'' R.R.Fernald & Dey|year=2018|journal=Tree Genetics & Genomes|last1=Kurian |first1=Binoy |last2=Hemanthakumar |first2=A.S. |last3=Jacob |first3=Joemon |last4=Noushad |first4=Muhammad Ali |last5=Sabu |first5=K. K. |volume=14 }}</ref>

<ref name="DFPF">Dictionary of Flowering Plants and Ferns - JC Willis (1960)</ref>

<ref name="GIBBS">{{cite journal |author=Gibbs A |author2=Green C |author3=Doctor VM. |title=Isolation and anticoagulant properties of polysaccharides of Typha Augustata and Daemonorops species |journal= Thromb. Res. |year = 1983 |volume = 32 |issue=2 |pages=97–108 |doi=10.1016/0049-3848(83)90021-X |pmid=6658717}}</ref>
}}

==Bibliography==
{{refbegin}}
* {{cite book|editor1-last=Tomlinson|editor1-first=P. B.|editor2-last=Zimmerman|editor2-first=Martin|title=Tropical Trees as Living Systems (Proceedings of the fourth Cabot Symposium held at Harvard Forest, Petersham Massachusetts on April 26-30, 1976)|url=https://books.google.com/books?id=oxT1M8-bu3IC|date=1978|publisher=[[Cambridge University Press]]|isbn=978-0-521-14247-2}}
* {{cite book|last1=Dransfield|first1=John|author-link=John Dransfield|title=Growth forms of rain forest palms|date=10 June 2010|url=https://books.google.com/books?id=oxT1M8-bu3IC&pg=PA247|pages=247–268|isbn=9780521142472|ref={{harvid|Dransfield|1978}}}}, in {{harvtxt|Tomlinson|Zimmerman|1978}}{{refend}}

==External links==
*{{Commons category-inline|Calamus (Arecaceae)}}
{{WestAfricanPlants|Calamus deerratus}}
{{Arecaceae genera}}
{{Taxonbar|from=Q165260}}

[[Category:Calamus (palm)| ]]
[[Category:Arecaceae genera]]
[[Category:Dioecious plants]]

Calamus (palm) - Revision history

Ajay Kumar: Created a new article