Flora of North America species comparison

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Eclipta

eclipta
Habit Annuals or perennials, 10–50(–70+) cm.
Stems

erect or decumbent, branched from bases and/or distally (sometimes rooting at proximal nodes).
Leaves

cauline; opposite;

petiolate or sessile;

blades (1- or 3-nerved) lanceolate to lance-linear, bases cuneate, margins serrate to subentire, faces sparsely scabrellous.
Involucres

hemispheric, 3–5 mm diam.
Receptacles

flat to convex, paleate (paleae linear to filiform, not conduplicate, falling with fruits).
Ray florets

20–40 (in 2–3+ series), pistillate, fertile;

corollas white or whitish.
Disc florets

15–30+, bisexual, fertile;

corollas white or whitish, tubes much shorter than ampliate, cylindric throats, lobes 4–5, ± deltate.
Phyllaries

persistent, 8–12+ in 2–3 series (lanceolate to linear, subequal, thin-herbaceous, spreading in fruit).
Heads

radiate, in loose, corymbiform arrays or borne singly.
Cypselae

obcompressed, weakly 3–4-angled (not winged, epidermes usually corky and rugose to tuberculate);

pappi persistent, coroniform (sometimes with 2 teeth).
x

= 11.

Eclipta
Distribution
from USDA
Mostly warm-temperate to tropical New World [Introduced in Old World]
[BONAP county map]
Discussion

Species 1–4 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 128. Treatment author: John L. Strother.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae
Subordinate taxa
E. prostrata
Name authority Linnaeus: Mant. Pl., 157, 286. (1771)
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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