Flora of North America species comparison

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Phemeranthus sediformis

Phemeranthus validulus

Okanagan fameflower, Okanogan fameflower, Okanogan talinum

tusayan fameflower
Habit Plants to 1 dm; roots elongate, fleshily woody. Plants to 1.2 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.

spreading-ascending overall, sometimes basally decumbent, branching.
Leaves

sessile;

blade subterete, to 1.2 cm, base attenuate.

sessile;

blade terete, to 4.5 cm.
Inflorescences

cymose, overtopping leaves;

peduncle somewhat scapelike or not, to 5 cm.

cymose, slightly to much overtopping leaves;

peduncle ± scapelike or not, to 6.5 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, broadly lanceolate, to 4 mm, apex acuminate;

petals white to purplish pink, paler at base, elliptic-ovate, to 9 mm;

stamens (6–)7–18;

stigma 1, subcapitate, sometimes 3-lobed.
Capsules

subglobose, trigonous, to 4 mm.

ovoid, strongly trigonous, 5–7 mm.
Seeds

without arcuate ridges, 1 mm.

without arcuate ridges, 1 mm.

Phemeranthus sediformis

Phemeranthus validulus
Phenology Flowering May–Jul. Flowering Jun–Sep.
Habitat Slopes, ledges, rocky soil Woodland openings and bare slopes and summits in rocky soil on chert, basalt, and cinder
Elevation 1000-2000 m (3300-6600 ft) 1800-2400 m (5900-7900 ft)
Distribution
from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM
[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.)

The more recently described Phemeranthus thompsonii may be indistinct from P. validulus and perhaps should be merged with it.

(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. spinescens, P. teretifolius, P. thompsonii
Synonyms Talinum sediforme, Talinum okanoganense, Talinum wayae Talinum validulum
Name authority (Poellnitz) Kiger: Novon 11: 320. (2001) (Greene) Kiger: Novon 11: 321. (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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