Difference between revisions of "Phemeranthus mengesii"
Novon 11: 320. 2001.
Endemic
Basionym: Talinum mengesii W. Wolf Amer. Midl. Naturalist 6: 153. 1920
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|genus=Phemeranthus | |genus=Phemeranthus | ||
|species=Phemeranthus mengesii | |species=Phemeranthus mengesii | ||
Latest revision as of 21:56, 5 November 2020
Plants to 4 dm; roots elongate, fleshily woody. Stems ± erect, usually branching. Leaves sessile; blade terete, to 7 cm. Inflorescences cymose, much overtopping leaves; peduncle scapelike, to 20 cm. Flowers: sepals deciduous, ovate, 3–4 mm; petals pink to rose-purple, obovate, 9–15 mm; stamens (40–)50–100; stigma 1, subcapitate. Capsules subglobose, sometimes trigonous, 3–4 mm. Seeds without arcuate ridges, 0.8–1 mm. 2n = 24, 48.
Phenology: Flowering Apr–Oct.
Habitat: Woods, glades, barrens, cliffs, outcrops, rocky banks, sandstone, granite, gneiss, rarely limestone
Elevation: 100-1000 m
Distribution
Ala., Ga., N.C., S.C., Tenn., Va.
Discussion
Most populations of Phemeranthus mengesii are diploid but a few scattered in western Georgia are tetraploid, probably the result of autopolyploidy (W. H. Murdy and M. E. B. Carter 2001).
Selected References
Lower Taxa
None.