Antennaria arcuata


Leafl. W. Bot. 6: 41. 1950.

Common names: Box or meadow pussytoes
EndemicConservation concern
Treatment appears in FNA Volume 19. Treatment on page 396. Mentioned on page 389, 392.

Dioecious. Plants 5–15(–20) cm (stems woolly). Stolons 4–10 cm (arched). Basal leaves 1–3-nerved, narrowly to broadly spatulate, or narrowly rhombic-obovate, 20–45 × 3–15 mm, tips mucronate, faces densely white-woolly. Cauline leaves linear, (2–)5–40 mm, not flagged. Heads (4–)7–25, in racemiform to paniculiform or corymbiform arrays. Involucres: staminate 3–5 mm; pistillate 4.5–6(–7) mm. Phyllaries distally whitish (mostly staminate) or grayish stramineous to light brown. Corollas: staminate 2.5–4 mm; pistillate 3.5–5 mm. Cypselae 1–1.8 mm, glabrous; pappi: staminate 3–4.5 mm; pistillate 4–6 mm. 2n = 28.

Phenology: Flowering summer.
Habitat: Moist alkaline basins in sagebrush steppe
Elevation: 1500–2300 m


Antennaria arcuata is known from three widely disjunct areas in Blaine County, Idaho; Elko County, Nevada; and Fremont County, Wyoming (R. J. Bayer 1992). It is characterized by arching stolons and white-woolly indument (Bayer) and is not easily confused with other species of Antennaria.

Selected References


Lower Taxa