Marshallia trinervia
Rep. (Annual) Arkansas Geol. Surv. 1888(4): 196. 1891.
Basionym: Athanasia trinervia Walter
Treatment appears in FNA Volume 21. Treatment on page 457.
Revision as of 00:51, 27 July 2019 by FNA>Volume Importer
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. 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. 2n = 18.
Phenology: Flowering May–Jun.
Habitat: Understories, mixed hardwood forests, along streams, slightly disturbed sites
Elevation: 100–500 m
Distribution
Ala., Ga., La., Miss., N.C., S.C., Tenn.
Discussion
Selected References
None.
Lower Taxa
None.