Difference between revisions of "Amsonia ciliata var. filifolia"
Class-book Bot. ed. s.n.(b), 589. 1861.
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|genus=Amsonia | |genus=Amsonia | ||
|subgenus=Amsonia subg. Amsonia | |subgenus=Amsonia subg. Amsonia | ||
Latest revision as of 13:13, 24 November 2024
Stems erect, usually glabrous or slightly pubescent, sometimes moderately pubescent; branches exceeding infructescence or not. Leaves: petiole 0.3–1 mm or absent; stem leaf blades linear, rarely very narrowly elliptic, 2.5–4.6(–5.5) cm × 0.3–1(–1.6) mm (–2.4 mm if unrolled), margins usually strongly revolute, ciliate, apex acute; branch leaf blades similar to stem leaf blades. Flowers: sepals often deltate, sometimes narrowly deltate, 0.8–1.2(–1.8) mm; corolla tube 7–8(–8.5) mm, lobes 5–7(–8) mm, not ciliate. Follicles (5.5–)6.5–11(–12.5) cm × 2–3 mm. 2n = 22.
Phenology: Flowering spring; fruiting summer.
Habitat: Xeric pine-oak woods, rock glades, sand barrens, sand hills, coastal plain, river bluffs, gravel bars.
Elevation: 0–300 m.
Distribution
Ala., Ark., Fla., Ga., Mo., N.C., Okla., S.C.
Discussion
Variety filifolia is distinctive for its very narrow, usually strongly revolute stem leaves.
Selected References
None.