Antennaria umbrinella

Rydberg
Bull. Torrey Bot. Club 24: 302. 1897.
Common names: Umber or brown or brown-bracted pussytoes
IllustratedEndemic
Synonyms: Antennaria aizoides Greene Antennaria flavescens Rydberg Antennaria reflexa E. E. Nelson
Treatment appears in FNA Volume 19. Treatment on page 408. Mentioned on page 390, 394, 396, 409, 410, 4.

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.


Phenology: Flowering summer.
Habitat: Sagebrush steppe to open, dry, coniferous montane forests to subalpine meadows
Elevation: 1100–3400 m

Distribution

V19-659-distribution-map.gif

Alta., B.C., Sask., Ariz., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

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).

Selected References

None.

Lower Taxa

None.

... more about "Antennaria umbrinella"
Randall J. Bayer +
Rydberg +
Umber or brown or brown-bracted pussytoes +
Alta. +, B.C. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1100–3400 m +
Sagebrush steppe to open, dry, coniferous montane forests to subalpine meadows +
Flowering summer. +
Bull. Torrey Bot. Club +
Illustrated +  and Endemic +
Antennaria aizoides +, Antennaria flavescens +  and Antennaria reflexa +
Antennaria umbrinella +
Antennaria +
species +