Hedera rhombea
| Hedera rhombea | |
|---|---|
| File:Hedera rhombea 3.JPG | |
| Scientific classification Edit this classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Apiales |
| Family: | Araliaceae |
| Genus: | Hedera |
| Species: | H. rhombea
|
| Binomial name | |
| Hedera rhombea (Miq.) Paul (1867)
| |
| Varieties[1] | |
| |
| Synonyms | |
|
Hedera helix var. rhombea Miq. (1863) | |
Hedera rhombea, the Japanese ivy or songak, is a species of ivy[2] in the Araliaceae family native to East Asia. It is native to Japan, the Korean Peninsula, the Ryukyu Islands, and Taiwan,[1] where it is common on rocky slopes and growing up the trunks of trees, especially in laurel forest, a type of cloud forest.
Description
It is an evergreen climbing plant, growing to 10 m high where suitable surfaces (trees, cliffs, walls) are available, and also growing as ground cover where there are no vertical surfaces. It climbs by means of aerial rootlets which cling to the substrate. Stems are green, poisonous if eaten and have an irritating sap. It is cultivated in gardens and used in floral arrangements.[2]
Varieties
Two subspecies are accepted.[1]
- Hedera rhombea var. formosana (Nakai) H.L.Li (synonym Hedera formosana Nakai) – Taiwan[3]
- Hedera rhombea var. rhombea (synonyms Hedera japonica Tobler, H. japonica Paul, H. pedunculata Nakai, H. rhomboidea G.W.Johnson, H. submarginata (Hibberd) Carrière, and H. tobleri Nakai) – Japan, Korea, and the Ryukyu Islands[4]
References
- ↑ 1.0 1.1 1.2 "Hedera rhombea (Miq.) Paul". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 October 2024.
- ↑ 2.0 2.1 "Hedera rhombea (Japanese Ivy)". North Carolina Extension Gardener Plant Toolbox. North Carolina Cooperative Extension. Retrieved 11 October 2024.
- ↑ "Hedera rhombea var. formosana (Nakai) H.L.Li". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 October 2024.
- ↑ "Hedera rhombea var. rhombea". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 October 2024.
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