Phemeranthus calycinus

(Engelmann) Kiger

Novon 11: 320. 2001.

Basionym: Talinum calycinum Engelmann in F. A. Wislizenus, Mem. Tour N. Mexico, 88. 1848
Synonyms: Claytonia calycina (Engelmann) Kuntze
Treatment appears in FNA Volume 4. Treatment on page 492. Mentioned on page 490.

Plants to 4 dm; roots fleshily woody. Stems ascending or erect, simple or branching. Leaves sessile; blade subterete, to 7 cm. Inflorescences cymose, much overtopping leaves; peduncle scapelike, to 25 cm. Flowers: sepals persistent, ovate to suborbiculate, 4–6 mm; petals pink- to red-purple, obovate, 10–15 mm; stamens 25–45; stigma 1, subcapitate, 3-lobed. Capsules broadly ovoid, 6–7 mm. Seeds without arcuate ridges, 1 mm. 2n = 24, 48.

Phenology: Flowering May–Oct.
Habitat: Rocky or sandy soil, on or near outcrops
Elevation: 100-1200 m


V4 998-distribution-map.gif

Ark., Colo., Ill., Kans., La., Mo., Nebr., N.Mex., Okla., Tex.


Some populations of Phemeranthus calycinus are diploid while others are tetraploid, the latter probably the result of autopolyploidy (W. H. Murdy and M. E. B. Carter 2001).

Selected References


Lower Taxa