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Marshallia trinervia
Marshallia trinervia
(Walter) Trel.
Family:
Asteraceae
Flora of North America
Resources
Linda E. Watson in Flora of North America (vol. 21)
Plants
40-60(-80) cm (rhizom-atous).
Leaves
mostly cauline (not notably reduced distally); proximal petiolate; blades strongly 3-nerved, ovate, 4-10 cm × 11-30 mm.
Heads
1-5, 20-33 mm diam.
Peduncles
5-15+ cm.
Phyllaries
8-12 × 1.5-3 mm, apices acute.
Paleae
± linear, apices acute.
Corollas
pink, lobes 3.5-7.5 × 0.5-1 mm.
Pappi:
scale margins serrulate.
2
n
= 18. Flowering May-Jun. Understories, mixed hardwood forests, along streams, slightly disturbed sites; 100-500 m; Ala., Ga., La., Miss., N.C., S.C., Tenn.
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