Biology:Cirsium toyoshimae
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Short description: Extinct species of plant
| Cirsium toyoshimae | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | C. toyoshimae
|
| Binomial name | |
| Cirsium toyoshimae Koidz.[2]
| |
Cirsium toyoshimae (トヨシマアザミ Toyoshima-azami) is an extinct species of thistle in the family Asteraceae that was endemic to the Bonin Islands of Tōkyō Metropolis, Japan.[2][3]
Taxonomy
The species was first described by Japanese botanist Gen-ichi Koidzumi in 1919.[2]
Description
Cirsium toyoshimae had pale purple flowers and soft spines and was somewhat smaller than the extant Cirsium boninense.[3][4] It used to grow in wooded areas near the coast.[4]
Conservation status
Cirsium toyoshimae is classed as extinct on the Ministry of the Environment Red List.[1][5]
References
- ↑ 1.0 1.1 Ministry of the Environment, ed (2015) (in ja). Gyōsei Corporation. p. 8. ISBN 978-4-324-09902-5. https://ikilog.biodic.go.jp/rdbdata/files/envpdf/植物Ⅰ_006.pdf.
- ↑ 2.0 2.1 2.2 Koidzumi, G. (1919). "Contributiones ad Floram Asiae Orientalis" (in la). The Botanical Magazine 33 (389): 110–122 [115]. ISSN 0006-808X. https://www.biodiversitylibrary.org/page/5436420.
- ↑ 3.0 3.1 "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=101. - ↑ 4.0 4.1 "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). Ministry of the Environment. 27 March 2020. https://ikilog.biodic.go.jp/rdbdata/files/redlist2020/redlist2020_ikansoku.csv. Retrieved 7 May 2022.
Wikidata ☰ Q15597372 entry
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