Flora of North America species comparison

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Phemeranthus sediformis

Phemeranthus brevicaulis

Okanagan fameflower, Okanogan fameflower, Okanogan talinum

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

spreading to ascending, branching, bearing ± persistent, arcuate, bristlelike, less than 5 mm, proximal portions of midribs of old leaves, suffrutescent.

spreading-ascending, branching, sometimes suffrutescent.
Leaves

sessile;

blade subterete, to 1.2 cm, base attenuate.

sessile;

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

cymose, overtopping leaves;

peduncle somewhat scapelike or not, to 5 cm.

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

peduncle not scapelike, to 1.5 cm.
Flowers

sepals deciduous, ovate, to 4 mm;

petals white, sometimes tinged pink or pale yellow, obovate to suborbiculate, to 8 mm;

stamens 15;

stigma 1, subcapitate.

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

subglobose, trigonous, to 4 mm.

ellipsoid, 4–6 mm.
Seeds

without arcuate ridges, 1 mm.

without arcuate ridges, 1 mm.
2n

= 24.

Phemeranthus sediformis

Phemeranthus brevicaulis
Phenology Flowering May–Jul. Flowering Apr–Sep.
Habitat Slopes, ledges, rocky soil Dry woodlands on rocky slopes, ridges, and crests, in limestone and igneous soils
Elevation 1000-2000 m (3300-6600 ft) 1600-3000 m (5200-9800 ft)
Distribution
from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; n Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Phemeranthus sediformis is poorly known and merits further study in the field and better representation in herbaria. When its characters and their ranges of variation are better known, it may prove to be indistinct from P. spinescens.

(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. 494. FNA vol. 4, p. 491.
Parent taxa Portulacaceae > Phemeranthus Portulacaceae > Phemeranthus
Sibling taxa
P. aurantiacus, P. brevicaulis, P. brevifolius, P. calcaricus, P. calycinus, P. humilis, P. longipes, P. marginatus, P. mengesii, P. parviflorus, P. rugospermus, 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 sediforme, Talinum okanoganense, Talinum wayae Talinum brevicaule, Talinum eximium, Talinum pulchellum, Talinum youngiae
Name authority (Poellnitz) 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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