bio.wikisort.org - Plant
Cirsium boninense (オガサワラアザミ, Ogasawara-azami) is a species of thistle in the family Asteraceae that is endemic to the Bonin Islands of Tōkyō Metropolis, Japan.[1][2]
| Cirsium boninense | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | C. boninense |
| Binomial name | |
| Cirsium boninense | |
Taxonomy
The species was first described by Japanese botanist Gen-ichi Koidzumi in 1914.[1] The specific epithet relates to the type locality (Chichijima) in the Bonin Islands.[1]
Description
Cirsium boninense is a perennial plant with white flowers from May to June that grows to a height of 40–150 centimetres (16–59 in) among the grasses and rocks in coastal areas, as well as on the forest floor.[3][4]
Conservation status
Cirsium boninense is classed as Near Threatened on the Ministry of the Environment Red List.[5][6] According to the Red Data Book Tokyo, though decreasing on Chichijima, numbers are increasing on Muko-jima and Nakōdo-jima.[3]
See also
References
- Koidzumi, G. (1914). "Plantae novae Japonicae II". The Botanical Magazine (in Latin). 28 (331): 171–173 [172]. ISSN 0006-808X.
- Katō, M. 加藤雅啓; Ebihara, A. 海老原淳 (March 2011). 日本の固有植物 [Endemic Plants of Japan] (in Japanese). Tokai University Press. pp. 138, 258, 373. ISBN 978-4-486-01897-1.
- オガサワラアザミ [Cirsium boninense] (in Japanese). Tokyo Metropolitan Government. Retrieved 7 May 2022.
- オガサワラアザミ [Cirsium boninense] (in Japanese). National Museum of Nature and Science. Retrieved 7 May 2022.
- 維管束植物 [Vascular Plants] (in Japanese). Ministry of the Environment. 27 March 2020. Retrieved 7 May 2022.
- Ministry of the Environment, ed. (2015). レッドデータブック2014 —日本の絶滅のおそれのある野生生物— 8 植物I（維管束植物） [Red Data Book 2014 — Threatened Wildlife of Japan — Volume 8, Vascular Plants] (in Japanese). Gyōsei Corporation. p. 613. ISBN 978-4-324-09902-5.
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