Antennaria stenophylla

(A. Gray) A. Gray
Proc. Amer. Acad. Arts 17: 213. 1882.
Common names: Narrowleaf pussytoes
Endemic
Basionyms: Antennaria alpina var. stenophylla A. Gray in C. Wilkes et al., U.S. Expl. Exped. 17: 366. 1874
Synonyms: Antennaria leucophaea Piper
Treatment appears in FNA Volume 19. Treatment on page 398. Mentioned on page 389, 393.

Dioecious. Plants (3–)10–15 cm. Stolons none. Basal leaves 1-nerved, linear to narrowly oblanceolate, 15–50 × 1–2(–4) mm, tips acute, not flagged, faces ± gray tomentose. Cauline leaves (gradually reduced distally) narrowly linear, 5–60 mm, distalmost flagged. Heads 2–8(–10) in subcapitate arrays. Involucres: staminate 4–5 mm; pistillate 4–6.5 mm. Phyllaries distally light brown, dingy brown, or olivaceous (apices acute-acuminate). Corollas: staminate 2.5–3.5 mm; pistillate 2.5–4 mm. Cypselae 1–1.8 mm, glandular-puberulent; pappi: staminate 3–4.5 mm (bristles barbellate at tips); pistillate 3–4.5 mm. 2n = 56.


Phenology: Flowering in late spring–early summer.
Habitat: Dry, often sagebrush (Artemisia) covered hillsides and dry margins around seasonally moist depressions in sagebrush steppe of the Great Basin and Columbia Plateau
Elevation: 1500–2300 m

Discussion

Antennaria stenophylla is a xerophyte in the Argenteae group. It is distinguished by relatively narrow leaves, heads in subcapitate clusters, and light brown, dingy brown, or olivaceous phyllary tips.

Selected References

None.

Lower Taxa

None.

... more about "Antennaria stenophylla"
Randall J. Bayer +
(A. Gray) A. Gray +
Antennaria alpina var. stenophylla +
Narrowleaf pussytoes +
Idaho +, Nev. +, Oreg. +  and Wash. +
1500–2300 m +
Dry, often sagebrush (Artemisia) covered hillsides and dry margins around seasonally moist depressions in sagebrush steppe of the Great Basin and Columbia Plateau +
Flowering in late spring–early summer. +
Proc. Amer. Acad. Arts +
Antennaria leucophaea +
Antennaria stenophylla +
Antennaria +
species +