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"
more or less tomentose +  and sericeous or glabrescent +
scarious +
mostly ovate +  and lanceovate or linear +
indeterminate +  and determinate +
Randall J. Bayer +
Rydberg +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.54 cm5.4 mm <br />0.0054 m <br />) +
decurrent +
compound +  and simple +
spatulate;oblanceolate;spatulate;oblanceolate;linear;lanceolate;elliptic;cuneate +
5-ribbed +, 3-ribbed +  and 2-ribbed +
muriculate +, papillate +  and smooth +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Umber or brown or brown-bracted pussytoes +
pistillate +  and staminate +
red +, yellow +  and white +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
mostly ellipsoid +  and ovoid +
pistillate +  and staminate +
Alta. +, B.C. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1100–3400 m +
gray-tomentose +
papillate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sagebrush steppe to open, dry, coniferous montane forests to subalpine meadows +
in corymbiform , paniculiform , racemiform or subcapitate , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
pistillate +  and staminate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
campanulate;cylindric +
0.4 cm4 mm <br />0.004 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
rarely lanceovate +  and lanceolate +
2-carpellate +
pistillate +  and staminate +
persistent +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering summer. +
Bull. Torrey Bot. Club +
bearing subulate enations +, hairy +  and bristly +
flat;convex or ovoid +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
papillate +
Antennaria aizoides +, Antennaria flavescens +  and Antennaria reflexa +
Antennaria umbrinella +
Antennaria +
species +
mucronate +
25 cm250 mm <br />0.25 m <br /> (70 cm700 mm <br />0.7 m <br />) +
4 cm40 mm <br />0.04 m <br /> (25 cm250 mm <br />0.25 m <br />) +