Flora of North America species comparison

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Phemeranthus sediformis

Phemeranthus spinescens

Okanagan fameflower, Okanogan fameflower, Okanogan talinum

spinescent fameflower, spiny fameflower
Habit Plants to 1 dm; roots elongate, fleshily woody. Plants to 3 dm; roots elongate, woody.
Stems

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

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 1.2 cm, base attenuate.

petiolate;

blade subterete, to 2.5 cm, base attenuate.
Inflorescences

cymose, overtopping leaves;

peduncle somewhat scapelike or not, to 5 cm.

cymose, overtopping leaves;

peduncle scapelike, to 20 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 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

subglobose, trigonous, to 4 mm.

ovoid-globose, 5 mm.
Seeds

without arcuate ridges, 1 mm.

without arcuate ridges, 1.2 mm.

Phemeranthus sediformis

Phemeranthus spinescens
Phenology Flowering May–Jul. Flowering May–Jul.
Habitat Slopes, ledges, rocky soil Cliffs, ledges, and outcrops in basaltic soils
Elevation 1000-2000 m (3300-6600 ft) 700-1100 m (2300-3600 ft)
Distribution
from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
OR; WA
[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.)
Source FNA vol. 4, p. 494. FNA vol. 4, p. 495.
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. 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 sediforme, Talinum okanoganense, Talinum wayae Talinum spinescens
Name authority (Poellnitz) 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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