Phemeranthus sediformis
Phemeranthus thompsonii
Okanagan fameflower, Okanogan fameflower, Okanogan talinum
cedar mountain fameflower
spreading to ascending, branching, bearing ± persistent, arcuate, bristlelike, less than 5 mm, proximal portions of midribs of old leaves, suffrutescent.
spreading-ascending, branching, suffrutescent.
sessile;
blade subterete, to 1.2 cm, base attenuate.
sessile;
blade subterete, to 3.5 cm.
cymose, overtopping leaves;
peduncle somewhat scapelike or not, to 5 cm.
cymose, overtopping leaves;
peduncle not scapelike, to 1 cm.
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 5 mm;
petals pink, obovate, to 8 mm, apex short-acuminate;
stamens 10;
stigma 1, capitate.
subglobose, trigonous, to 4 mm.
apically keeled along sutures, ellipsoid, to 6.5 mm.
without arcuate ridges, 1 mm.
without arcuate ridges, to 1.3 mm.
Phemeranthus sediformis
Phemeranthus thompsonii
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.)
Of conservation concern.
Phemeranthus thompsonii is known only from Emery County. It is very similar to, and perhaps should be merged with, P. validulus, from which it differs mainly in having much shorter peduncles. When originally described, P. thompsonii was thought to differ also in having fewer stamens and longer leaves and petals, but in fact P. validulus sometimes has as few as six stamens, and has maximum leaf and petal lengths greater than those found in P. thompsonii.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
BC
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
