Flora of North America species comparison

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Guizotia abyssinica

niger-seed, nyjer, ramtilla
Disc corollas

4–5 mm.
Cypselae

4–5 mm.
Receptacular

paleae 5–7+ mm.
Ray

corolla laminae 8–14+ mm.
2n

= 30 (from India).

Guizotia abyssinica
Phenology Flowering summer–fall.
Habitat Disturbed sites
Elevation 10–200+ m (0–700+ ft)
Distribution
from FNA
AR; CA; CT; FL; IL; KS; MA; MD; MI; NY; OH; PA; TN; VA; ON; Africa [Introduced in North America; also introduced in Asia]
[WildflowerSearch map]
[BONAP county map]
Discussion

In the flora area, Guizotia abyssinica has been recorded sporadically at widely scattered stations (evidently often from birdseed wastes); it may be persistently established at relatively few stations.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 41.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Milleriinae > Guizotia
Synonyms Polymnia abyssinica
Name authority (Linnaeus f.) Cassini: in F. Cuvier, Dict. Sci. Nat. ed. 2, 59: 248. (1829)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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