Antennaria flagellaris

(A. Gray) A. Gray

Proc. Amer. Acad. Arts 17: 212. 1882. 1882

Common names: Whip or stoloniferous pussytoes
IllustratedEndemic
Basionyms: Antennaria dimorpha var. flagellaris A. Gray in C. Wilkes et al., U.S. Expl. Exped. 17: 366. 1874
Treatment appears in FNA Volume 19. Treatment on page 399. Mentioned on page 389, 393.

Dioecious. Plants 0.5–1.5 cm. Stolons 3–10 cm (leafless except tips, relatively slender). Basal leaves 1-nerved, linear-oblanceolate, 16–18 × 1.5–2 mm, tips acute, faces ± gray-tomentose. Cauline leaves linear or oblanceolate, 7–15 mm, not flagged. Heads borne singly. Involucres: staminate 6–7 mm; pistillate 7–9 mm. Phyllaries (relatively wide) distally brown to blackish or whitish. Corollas: staminate 3–4.5 mm; pistillate 5–7 mm. Cypselae 2–3 mm, papillate; pappi: staminate 3.5–4.5 mm; pistillate 6–8 mm. 2n = 28.


Phenology: Flowering mid–late spring.
Habitat: Seasonally dry basins in foothills of mountains, often associated with sagebrush flats
Elevation: 900–2700 m

Distribution

V19-634-distribution-map.gif

B.C., Calif., Idaho, Nev., Oreg., S.Dak., Wash., Wyo.

Discussion

Antennaria flagellaris is among the more distinctive species of Antennaria, with its flagelliform stolons (whiplike with leaves only at the very end) and heads borne singly. It belongs to the Dimorphae group (R. J. Bayer 1990; Bayer et al. 1996).

Selected References

None.

Lower Taxa

None.

... more about "Antennaria flagellaris"
Randall J. Bayer +
(A. Gray) A. Gray +
Antennaria dimorpha var. flagellaris +
Whip or stoloniferous pussytoes +
B.C. +, Calif. +, Idaho +, Nev. +, Oreg. +, S.Dak. +, Wash. +  and Wyo. +
900–2700 m +
Seasonally dry basins in foothills of mountains, often associated with sagebrush flats +
Flowering mid–late spring. +
Proc. Amer. Acad. Arts +
Illustrated +  and Endemic +
Compositae +
Antennaria flagellaris +
Antennaria +
species +