Antennaria umbrinella Rydb.  
Family: Asteraceae
umber pussytoes,  more...
[Antennaria aizoides Greene,  more]
Antennaria umbrinella image
Liz Makings  
Dioecious. Plants 7-16 cm (bases somewhat woody). Stolons 7-16 cm (usually erect, slightly woody). Basal leaves 1-nerved, narrowly spatulate to cuneate, 10-17 × 2-5.4 mm, tips mucronate, faces gray-tomentose. Cauline leaves linear, 8-18 mm, not flagged (apices acute). Heads 3-8 in corymbiform arrays. Involucres: staminate 3-6 mm; pistillate 4-6.5 mm. Phyllaries distally whitish, yellowish, or pale brownish (often streaked with pink or rose). Corollas: staminate 2.5-3.5 mm; pistillate 2.5-3.5 mm. Cypselae 0.5-1.2 mm, glabrous; pappi: staminate 3-4.5 mm; pistillate 3-5 mm. 2n = 28, 56. Flowering summer. Sagebrush steppe to open, dry, coniferous montane forests to subalpine meadows; 1100-3400 m; Alta., B.C., Sask.; Ariz., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo. Antennaria umbrinella is a primary sexual progenitor of the A. rosea complex (R. J. Bayer 1990b). It is characterized by somewhat erect, slightly woody stolons and phyllaries that are usually various shades of brown, sometimes white, or streaked with pink or rose (Bayer 1987b).

Plant: Perennial; stems 7-16 cm; base ± woody; stolons or sterile shoots ascending, slightly woody Leaves: alternate, entire, basal 10-17 mm, spoon- to wedge-shaped, 1-veined, ± gray-tomentose; cauline 8-18 mm INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads 3-8, discoid or disciform, in cyme-like clusters; involucres 3-6.5 mm, base woolly; phyllaries narrow and acute (pistillate) or wide and blunt (staminate), upper part whitish to pale brownish; receptacle naked Flowers: Staminate flowers 2-5 mm; corollas white, yellow, or red, 2.5-3.5 mm; pappus bristle tips generally enlarged; Pistillate flowers 2-10 mm; corollas barely lobed, white, yellow or red, 2.5-3.5 mm Fruit: achene, 0.5-1.2 mm, glabrous; pappus 3-5 mm; pappus bristles many, soft, weakly barbed Misc: Dry sagebrush scrub, open yellow-pine forest; 1800-2000 m.
Antennaria umbrinella image
Liz Makings  
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Cindy Newlander