Antennaria corymbosa

E. E. Nelson
Bot. Gaz. 27: 212. 1899.
Common names: Flat-top or meadow pussytoes
Endemic
Synonyms: Antennaria acuta Rydberg Antennaria dioica var. corymbosa (E. E. Nelson) Jepson Antennaria hygrophila Greene Antennaria nardina Greene
Treatment appears in FNA Volume 19. Treatment on page 407. Mentioned on page 390, 393, 396, 409, 410, 415.

Dioecious. Plants 6–15 cm. Stolons 1–10 cm. Basal leaves 1-nerved, spatulate, 18–45 × 2–4 mm, tips mucronate, faces ± gray-tomentose. Cauline leaves linear, 8–13 mm, not flagged (apices acuminate). Heads 3–7 in corymbiform arrays. Involucres: staminate 4–5.3 mm; pistillate 4–5 mm. Phyllaries (bases each with distinct dark brown or blackish spot) distally white or light brown. Corollas: staminate 2–3.2 mm; pistillate 2.5–3.5 mm. Cypselae 0.5–1 mm, slightly papillate; pappi: staminate 2.5–3.5 mm; pistillate 3.5–4.5 mm. 2n = 28.


Phenology: Flowering early–mid summer.
Habitat: Moist subalpine-alpine willow thickets in the Rocky and Cascade mountains, the Sierra Nevada and mountains of the Great Basin
Elevation: 1900–3500 m

Distribution

V19-656-distribution-map.gif

Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

Discussion

Antennaria corymbosa is characterized by linear-oblanceolate basal leaves and white-tipped phyllaries, each with a distinct black spot near the base of the scarious portion. A form with black phyllaries (A. acuta) occurs sporadically throughout the range of the species (R. J. Bayer 1988). Antennaria corymbosa is a sexual progenitor of the A. rosea complex.

Selected References

None.

Lower Taxa

None.

... more about "Antennaria corymbosa"
Randall J. Bayer +
E. E. Nelson +
Flat-top or meadow pussytoes +
Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1900–3500 m +
Moist subalpine-alpine willow thickets in the Rocky and Cascade mountains, the Sierra Nevada and mountains of the Great Basin +
Flowering early–mid summer. +
Antennaria acuta +, Antennaria dioica var. corymbosa +, Antennaria hygrophila +  and Antennaria nardina +
Antennaria corymbosa +
Antennaria +
species +