Phemeranthus mengesii

(W. Wolf) Kiger

Novon 11: 320. 2001.

Endemic
Basionym: Talinum mengesii W. Wolf Amer. Midl. Naturalist 6: 153. 1920
Treatment appears in FNA Volume 4. Treatment on page 493. Mentioned on page 490, 491.

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

V4 1002-distribution-map.gif

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).

Lower Taxa

None.
... more about "Phemeranthus mengesii"
Robert W. Kiger +
(W. Wolf) Kiger +
Talinum mengesii +
Ala. +, Ga. +, N.C. +, S.C. +, Tenn. +  and Va. +
100-1000 m +
Woods, glades, barrens, cliffs, outcrops, rocky banks, sandstone, granite, gneiss, rarely limestone +
Flowering Apr–Oct. +
carter1986a +  and montgomery1969a +
Talinum sect. Phemeranthus +
Phemeranthus mengesii +
Phemeranthus +
species +