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FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Antennaria

4b. Antennaria luzuloides Torrey & A. Gray subsp. luzuloides

Antennaria luzuloides var. oblanceolata (Rydberg) M. Peck; A. oblanceolata Rydberg

Basal leaves (1–)3-nerved, linear to narrowly spatulate, 2–10 mm. Heads 10–110+ in corymbiform arrays. Involucres: staminate 4–5.5 mm; pistillate 5–6.5 mm. Phyllaries proximally golden brown, distally white. Corollas: staminate 3–4 mm; pistillate 2.5–4 mm. Cypselae 1–2 mm, sparingly papillate; pappi: staminate 3–4.5 mm; pistillate 3–4 mm.

Flowering summer. Semidry meadows and drainages, lower montane, ponderosa pine zone; 900–3200 m; Alta., B.C.; Calif., Colo., Idaho, Mont., Nev., Oreg., S.Dak., Utah, Wash., Wyo.

Subspecies luzuloides is characterized by non-stoloniferous habit and relatively small heads in corymbiform arrays.


 

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