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FNA Vol. 19, 20 and 21 Page 389, 393, 397 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Antennaria

3. Antennaria argentea Bentham, Pl. Hartw. 319. 1849.

Silver pussytoes

Dioecious. Plants 18–40 cm. Stolons none. Basal leaves: 1–3-nerved, oblanceolate to elliptic, 20–50 × 4–15 mm, tips acute, faces ± gray-tomentose. Cauline leaves lanceolate, 15–45 mm, not flagged. Heads 10–75 in pani-culiform arrays. Involucres: staminate 4–5 mm; pistillate 4–5 mm. Phyllaries (relatively broad) distally silvery white. Corollas: staminate 2.5–3.5 mm; pistillate 3–4 mm. Cypselae 1–1.5 mm, glandular; pappi: staminate 4–5 mm; pistillate 3–4 mm. 2n = 28.

Flowering summer. Openings in dry coniferous forests; 600–2000 m; Calif., Nev., Oreg., Wash.

Antennaria argentea is distinguished by its robustly stoloniferous habit and silvery white phyllaries.


 

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