Circaea alpina Linnaeus (1753: 9)

Luo, Yike & Xie, Lei, 2023, A checklist of Onagraceae in the Pan-Himalaya region, Phytotaxa 597 (4), pp. 245-268 : 250

publication ID	https://doi.org/10.11646/phytotaxa.597.4.1
DOI	https://doi.org/10.5281/zenodo.7958618
persistent identifier	https://treatment.plazi.org/id/03FD5F66-FFE1-E154-3DCD-BE2EFA114F18
treatment provided by	Plazi (2023-05-22 21:28:14, last updated 2024-11-26 00:29:35)
scientific name	Circaea alpina Linnaeus (1753: 9)
status

Treatment

2.1. Circaea alpina Linnaeus (1753: 9) View in CoL View at ENA .

Lectotype (designated by Boufford 1982):— Herb. Linn. No. 25.2 ( LINN digital image).

Distribution: —U Yarlung Zangbo, M Yarlung Zangbo, L Yarlung Zangbo, Yarlung Zangbo-Brahmaputra, S Hengduan, N Hengduan, also widely distributed in Eurasia and North America.

Note: — Circaea alpina has six subspecies widely distributed in the Northern Hemisphere ( Boufford 1982). Three of them are found in the Pan-Himalaya region.

Key to subspecies of Circaea alpina View in CoL View at ENA in the Pan-Himalaya region

1 Leaves thin, pale green, translucent; ovary glabrous at anthesis..................................................... 2.1c. C. alpina subsp. micrantha View in CoL

- Leaves thick, deep green or reddish; ovary pubescent with hooked hairs at anthesis........................................................................2

2 Apical notch 1/4–1/2 length of petal; uncinate hairs of fruit unpigmented........................................2.1a. C. alpina subsp. imaicola View in CoL

- Apical notch 1/5–1/3 length of petal; uncinate hairs of fruit containing purple pigment .............2.1b. C. alpina subsp. angustifolia View in CoL

References

Boufford, D. E. (1982) The systematics and evolution of Circaea (Onagraceae). Annals of the Missouri Botanical Garden 69 (4): 804 - 994. https: // doi. org / 10.2307 / 2398997

Linnaeus, C. (1753) Species Plantarum. Laurentii Salvii, Stockholm, 1200 pp.