Flora of North America species comparison

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Phemeranthus calycinus

Phemeranthus brevicaulis

largeflower fameflower

dwarf fameflower
Habit Plants to 4 dm; roots fleshily woody. Plants to 1 dm; roots fusiform, fleshily woody.
Stems

ascending or erect, simple or branching.

spreading-ascending, branching, sometimes suffrutescent.
Leaves

sessile;

blade subterete, to 7 cm.

sessile;

blade to 2.5 cm, distal terete or subterete, proximal flatter, broader, somewhat shorter.
Inflorescences

cymose, much overtopping leaves;

peduncle scapelike, to 25 cm.

cymulose or 1-flowered, slightly to distinctly overtopping leaves;

peduncle not scapelike, to 1.5 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 persistent, ovate to elliptic-lanceolate, to 8 mm;

petals light rose to purplish red, obovate, to 16 mm;

stamens usually 20;

stigma 1, subcapitate.
Capsules

broadly ovoid, 6–7 mm.

ellipsoid, 4–6 mm.
Seeds

without arcuate ridges, 1 mm.

without arcuate ridges, 1 mm.
2n

= 24, 48.

= 24.

Phemeranthus calycinus

Phemeranthus brevicaulis
Phenology Flowering May–Oct. Flowering Apr–Sep.
Habitat Rocky or sandy soil, on or near outcrops Dry woodlands on rocky slopes, ridges, and crests, in limestone and igneous soils
Elevation 100-1200 m (300-3900 ft) 1600-3000 m (5200-9800 ft)
Distribution
from FNA
AR; CO; IL; KS; LA; MO; NE; NM; OK; TX
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; n Mexico (Chihuahua, Coahuila)
[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.)

Within the flora area Phemeranthus brevicaulis has been known most generally as Talinum pulchellum, which was based on a collection from Queen, New Mexico. However, P. brevicaule, which was described earlier (as T. brevicaule) from the Santa Eulalia Mountains in Chihuahua, Mexico, differs in no significant respect, and that epithet has priority when the two entities are merged.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 492. FNA vol. 4, p. 491.
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. brevifolius, P. calcaricus, P. calycinus, P. humilis, P. longipes, P. marginatus, P. mengesii, P. parviflorus, P. rugospermus, P. sediformis, P. spinescens, P. teretifolius, P. thompsonii, P. validulus
Synonyms Talinum calycinum, Claytonia calycina Talinum brevicaule, Talinum eximium, Talinum pulchellum, Talinum youngiae
Name authority (Engelmann) Kiger: Novon 11: 320. (2001) (S. Watson) Kiger: Novon 11: 319. (2001)
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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