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{{short description|Species of plant}} | {{short description|Species of plant}} | ||
{{Redirect|Alpenrose|the dairy company|Alpenrose Dairy}} | |||
{{Speciesbox | |||
| image = Alpenrose (Rhododendron ferrugineum) (9135007571).jpg | |||
| status = LC | |||
| status_system = IUCN3.1 | |||
| status_ref = <ref name=IUCN>{{cite iucn | author = Khela, S. | title = ''Rhododendron ferrugineum'' | article-number = e.T203007A2758537 | year = 2013 | access-date = 13 March 2023}}</ref> | |||
| genus = Rhododendron | |||
| species = ferrugineum | |||
| authority = [[Carl Linnaeus|L.]] | |||
}} | |||
''Rhododendron ferrugineum'' is moderately [[Toxicity|toxic]], containing [[arbutin]], [[arecoline]] and [[rhodoxanthin]], and can cause [[vomiting]], and difficulties of the [[Gastrointestinal tract|digestive]], [[nervous system|nervous]], [[respiratory system|respiratory]] and [[circulatory system]]s. | '''''Rhododendron ferrugineum''''', the '''alpenrose''', '''snow-rose''', or '''rusty-leaved alpenrose''' is an [[evergreen]] shrub that grows just above the [[tree line]] in the [[Alps]], [[Pyrenees]], [[Jura mountains|Jura]] and northern [[Apennine Mountains|Apennines]], on acid soils. It is the type species for the genus ''Rhododendron''. | ||
==Description== | |||
''Rhododendron ferrugineum'' may grow up to {{convert|1.5|m|ft|abbr=on}} tall and produces clusters of pinkish-red, bell-shaped flowers throughout the summer. The undersides of the leaves are covered in rust-brown spots, which give the species the second part of its [[Binomial nomenclature|binomial name]] (''[[:wikt:ferrugineus|ferrugineum]]'', [[Latin]] for 'rust-coloured, ferruginous'). This is in contrast to ''[[Rhododendron hirsutum]]'', which has no such brown colouring, has hairy edges to the leaves and grows over [[limestone]]. Where the two species co-occur (usually on soils of intermediate [[pH]]), the [[Hybrid (biology)|hybrid]] ''Rhododendron × intermedium'' may occur; as its name suggests, it is intermediate in form between the two parental species. | |||
==Habitat== | |||
''Rhododendron ferrugineum'' grows primarily on acidic siliceous soils, whereas its close relative ''[[Rhododendron hirsutum]]'' grows on basic carbonate-rich soils. These two types of soils frequently occur near each other in the Alps. | |||
==Toxicity== | |||
''Rhododendron ferrugineum'' is moderately [[Toxicity|toxic]], containing [[arbutin]], [[arecoline]] and [[rhodoxanthin]], and can cause [[vomiting]], and difficulties of the [[Gastrointestinal tract|digestive]], [[nervous system|nervous]], [[respiratory system|respiratory]] and [[circulatory system]]s.<ref>{{cite web |url=http://herbarium.freehostia.com/plant.php?latin=Rhododendron+ferrugineum&commun=Rhododendron&lang=en |title=Rhododendron (Alpen Rose - Snow-rose - Rusty-leaved Alpenrose) |date=2011 |access-date = 21 April 2024 |archive-url=https://web.archive.org/web/20110817201449/http://herbarium.freehostia.com/plant.php?latin=Rhododendron+ferrugineum&commun=Rhododendron&lang=en |archive-date=August 17, 2011}}</ref> | |||
==References== | ==References== | ||
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{{Taxonbar|from=Q1341190}} | {{Taxonbar|from=Q1341190}} | ||
[[Category:Rhododendron|ferrugineum]] | [[Category:Rhododendron|ferrugineum]] | ||
[[Category:Alpine flora]] | [[Category:Alpine flora]] | ||
[[Category:Flora of | [[Category:Flora of the Alps]] | ||
[[Category:Flora of Andorra]] | |||
[[Category:Plants described in 1753]] | [[Category:Plants described in 1753]] | ||
[[Category: | [[Category:Botanical taxa named by Carl Linnaeus]] | ||
[[Category: | [[Category:Flora of the Pyrenees]] | ||
{{Ericoideae-stub}} | |||
Revision as of 23:59, 27 December 2025
| Rhododendron ferrugineum | |
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_(9135007571).jpg)
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 Least Concern (IUCN 3.1)<ref name=IUCN>Khela, S. (2013). "Rhododendron ferrugineum". IUCN Red List of Threatened Species. 2013 e.T203007A2758537. {{cite journal}}: |access-date= requires |url= (help)</ref> | |
Scientific classification 
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| : | [[Template:Taxonomy/Rhododendron]] |
| Species: | Template:Taxonomy/RhododendronR. ferrugineum
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| Binomial name | |
| Template:Taxonomy/RhododendronRhododendron ferrugineum | |
Rhododendron ferrugineum, the alpenrose, snow-rose, or rusty-leaved alpenrose is an evergreen shrub that grows just above the tree line in the Alps, Pyrenees, Jura and northern Apennines, on acid soils. It is the type species for the genus Rhododendron.
Description
Rhododendron ferrugineum may grow up to 1.5 m (4.9 ft) tall and produces clusters of pinkish-red, bell-shaped flowers throughout the summer. The undersides of the leaves are covered in rust-brown spots, which give the species the second part of its binomial name (ferrugineum, Latin for 'rust-coloured, ferruginous'). This is in contrast to Rhododendron hirsutum, which has no such brown colouring, has hairy edges to the leaves and grows over limestone. Where the two species co-occur (usually on soils of intermediate pH), the hybrid Rhododendron × intermedium may occur; as its name suggests, it is intermediate in form between the two parental species.
Habitat
Rhododendron ferrugineum grows primarily on acidic siliceous soils, whereas its close relative Rhododendron hirsutum grows on basic carbonate-rich soils. These two types of soils frequently occur near each other in the Alps.
Toxicity
Rhododendron ferrugineum is moderately toxic, containing arbutin, arecoline and rhodoxanthin, and can cause vomiting, and difficulties of the digestive, nervous, respiratory and circulatory systems.<ref>"Rhododendron (Alpen Rose - Snow-rose - Rusty-leaved Alpenrose)". 2011. Archived from the original on August 17, 2011. Retrieved 21 April 2024.</ref>