| Rhododendron ferrugineum | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Ericaceae |
| Genus: | Rhododendron |
| Species: | R. ferrugineum
|
| Binomial name | |
| Rhododendron 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.
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Transcription
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.[2]
References
- ^ Khela, S. (2013). "Rhododendron ferrugineum". IUCN Red List of Threatened Species. 2013: e.T203007A2758537. Retrieved 13 March 2023.
- ^ "Rhododendron (Alpen Rose - Snow-rose - Rusty-leaved Alpenrose)". 2011. Archived from the original on August 17, 2011. Retrieved 21 April 2024.
External links
Media related to Rhododendron ferrugineum at Wikimedia Commons
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This page was last edited on 22 April 2024, at 05:19