Flora of North America species comparison

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Phemeranthus calycinus

Phemeranthus longipes

largeflower fameflower

pink fameflower
Habit Plants to 4 dm; roots fleshily woody. Plants to 1.5 dm; roots slender, elongate, tortuous, woody.
Stems

ascending or erect, simple or branching.

± erect, simple or branching, sometimes bearing persistent midribs of dead leaves basally, suffrutescent.
Leaves

sessile;

blade subterete, to 7 cm.

sessile;

blade terete, 1–2.5 cm.
Inflorescences

cymose, much overtopping leaves;

peduncle scapelike, to 25 cm.

cymose, much overtopping leaves;

peduncle scapelike, to 12 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, often pinkish, orbiculate to suborbiculate, 2–3 mm;

petals pink, obovate, 4–5 mm;

stamens 10;

stigmas 3, linear.
Capsules

broadly ovoid, 6–7 mm.

subglobose, 3.5 mm.
Seeds

without arcuate ridges, 1 mm.

with arcuate ridges, 1 mm.
2n

= 24, 48.

Phemeranthus calycinus

Phemeranthus longipes
Phenology Flowering May–Oct. Flowering Jul–Sep.
Habitat Rocky or sandy soil, on or near outcrops Open areas in canyons and on slopes, and crests
Elevation 100-1200 m (300-3900 ft) 1600-2000 m (5200-6600 ft)
Distribution
from FNA
AR; CO; IL; KS; LA; MO; NE; NM; OK; TX
[WildflowerSearch map]
[BONAP county map]
from FNA
NM; TX; n Mexico (Tamaulipas)
[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.)

Phemeranthus longipes is easily confused with smaller specimens of P. parviflorus, which it resembles in general aspect; the two are most readily distinguished by seed surface, sepal shape, root character, and stamen number. The presence of spinelike persistent leaf midribs at the stem bases has been regarded as a diagnostic feature of P. longipes; not all plants exhibit this condition, however, and some of P. parviflorus approach it closely.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 492. FNA vol. 4, p. 492.
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. marginatus, P. mengesii, P. parviflorus, P. rugospermus, P. sediformis, P. spinescens, P. teretifolius, P. thompsonii, P. validulus
Synonyms Talinum calycinum, Claytonia calycina Talinum longipes
Name authority (Engelmann) Kiger: Novon 11: 320. (2001) (Wooton & Standley) Kiger: Novon 11: 320. (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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