Flora of North America species comparison

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Marshallia trinervia

broadleaf Barbara's buttons
Habit Plants 40–60(–80) cm (rhizomatous).
Leaves

mostly cauline (not notably reduced distally);

proximal petiolate;

blades strongly 3-nerved, ovate, 4–10 cm × 11–30 mm.
Peduncles

5–15+ cm.
Corollas

pink, lobes 3.5–7.5 × 0.5–1 mm.
Phyllaries

8–12 × 1.5–3 mm, apices acute.
Heads

1–5, 20–33 mm diam.
Paleae

± linear, apices acute.
Pappi

scale margins serrulate.
2n

= 18.

Marshallia trinervia
Phenology Flowering May–Jun.
Habitat Understories, mixed hardwood forests, along streams, slightly disturbed sites
Elevation 100–500 m (300–1600 ft)
Distribution
from FNA
AL; GA; LA; MS; NC; SC; TN
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 457.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Marshalliinae > Marshallia
Sibling taxa
M. caespitosa, M. graminifolia, M. grandiflora, M. mohrii, M. obovata, M. ramosa
Synonyms Athanasia trinervia
Name authority (Walter) Trelease: Rep. (Annual) Arkansas Geol. Surv. 1888(4): 196. (1891)
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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