Show Lower Taxa
Blennosperma nanum
Proc. Biol. Soc. Wash. 39: 144. 1926.
Basionym: Chrysanthemum nanum Hooker Fl. Bor.-Amer. 1: 320. 1833
Treatment appears in FNA Volume 20. Treatment on page 640.
Revision as of 18:41, 24 September 2019 by FNA>Volume Importer
Proximal leaves mostly 3–6+ cm, usually 5–15-lobed. Involucres 5–6+ mm. Ray florets: corollas (sometimes 0) usually yellow, rarely white, often purplish abaxially, 3–7 mm; stigmas yellow. Disc florets 20–100+. Cypselae 2.5–4.5 mm, sometimes epapillate. 2n = 14.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Disc florets mostly 12–60(–70+); cypselae mostly 2.5–3 mm | Blennosperma nanum var. nanum |
| 1 | Disc florets mostly 60–100+; cypselae mostly3-4.5 mm | Blennosperma nanum var. robustum |