Flora of North America species comparison

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Phemeranthus calycinus

Phemeranthus spinescens

largeflower fameflower

spinescent fameflower, spiny fameflower
Habit Plants to 4 dm; roots fleshily woody. Plants to 3 dm; roots elongate, woody.
Stems

ascending or erect, simple or branching.

erect to ascending, simple or branching, bearing ± persistent, straight, spinelike, 5 mm or more, proximal portions of midribs of old leaves, suffrutescent.
Leaves

sessile;

blade subterete, to 7 cm.

petiolate;

blade subterete, to 2.5 cm, base attenuate.
Inflorescences

cymose, much overtopping leaves;

peduncle scapelike, to 25 cm.

cymose, overtopping leaves;

peduncle scapelike, to 20 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.

sepals deciduous, orbiculate to ovate, to 3 mm;

petals pale to bright rose or purplish red, elliptic to obovate, to 10 mm;

stamens 20–30;

stigma 1, subcapitate.
Capsules

broadly ovoid, 6–7 mm.

ovoid-globose, 5 mm.
Seeds

without arcuate ridges, 1 mm.

without arcuate ridges, 1.2 mm.
2n

= 24, 48.

Phemeranthus calycinus

Phemeranthus spinescens
Phenology Flowering May–Oct. Flowering May–Jul.
Habitat Rocky or sandy soil, on or near outcrops Cliffs, ledges, and outcrops in basaltic soils
Elevation 100-1200 m (300-3900 ft) 700-1100 m (2300-3600 ft)
Distribution
from FNA
AR; CO; IL; KS; LA; MO; NE; NM; OK; TX
[WildflowerSearch map]
[BONAP county map]
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

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).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 492. FNA vol. 4, p. 495.
Parent taxa Portulacaceae > Phemeranthus Portulacaceae > Phemeranthus
Sibling taxa
P. aurantiacus, P. brevicaulis, P. brevifolius, P. calcaricus, P. humilis, P. longipes, P. marginatus, P. mengesii, P. parviflorus, P. rugospermus, P. sediformis, P. spinescens, P. teretifolius, P. thompsonii, P. validulus
P. aurantiacus, P. brevicaulis, P. brevifolius, P. calcaricus, P. calycinus, P. humilis, P. longipes, P. marginatus, P. mengesii, P. parviflorus, P. rugospermus, P. sediformis, P. teretifolius, P. thompsonii, P. validulus
Synonyms Talinum calycinum, Claytonia calycina Talinum spinescens
Name authority (Engelmann) Kiger: Novon 11: 320. (2001) (Torrey) Hershkovitz: Taxon 46: 222. (1997)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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