Biology:Cirsium boninense
| 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 Koidz.[1]
| |
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]
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 (ja) and Nakōdo-jima.[3]
See also
References
- ↑ 1.0 1.1 1.2 1.3 Koidzumi, G. (1914). "Plantae novae Japonicae II" (in la). The Botanical Magazine 28 (331): 171–173 [172]. ISSN 0006-808X. https://www.biodiversitylibrary.org/page/43535656.
- ↑ Katō, M.; Ebihara, A. (March 2011) (in ja). Tokai University Press. pp. 138, 258, 373. ISBN 978-4-486-01897-1.
- ↑ 3.0 3.1 "Error: no
|title=specified when using {{Cite web}}" (in ja). Tokyo Metropolitan Government. https://tokyo-rdb.metro.tokyo.lg.jp/index.php. - ↑ "Error: no
|title=specified when using {{Cite web}}" (in ja). National Museum of Nature and Science. https://www.kahaku.go.jp/research/db/botany/azami/detail.html?no=34. - ↑ "Error: no
|title=specified when using {{Cite web}}" (in ja). Ministry of the Environment. 27 March 2020. https://ikilog.biodic.go.jp/rdbdata/files/redlist2020/redlist2020_ikansoku.csv. - ↑ Ministry of the Environment, ed (2015) (in ja). Gyōsei Corporation. p. 613. ISBN 978-4-324-09902-5.
Wikidata ☰ Q15599350 entry
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