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

27b. Antennaria rosea Greene subsp. confinis (Greene) R. J. Bayer, Brittonia. 41: 57. 1989.

Antennaria confinis Greene, Pittonia 4: 40. 1899; A. affinis Fernald; A. albicans Fernald; A. angustifolia Rydberg; A. arida E. E. Nelson var. humilis (Rydberg) E. E. Nelson; A. breitungii A. E. Porsild; A. brevistyla Fernald; A. concinna E. E. Nelson; A. dioica (Linnaeus) Gaertner var. kernensis Jepson; A. elegans A. E. Porsild; A. foliacea Greene var. humilis Rydberg; A. incarnata A. E. Porsild; A. laingii A. E. Porsild; A. leontopodioides Cody; A. leuchippii Porsild; A. polyphylla Greene ex C. F. Baker (name published without description); A. rosea var. angustifolia (Rydberg) E. E. Nelson; A. sedoides Greene; A. sordida Greene; A. subviscosa Fernald; A. tomentella E. E. Nelson

Plants 9–25 cm. Stolons 1.5–4.5 cm. Basal leaves spatulate to cuneate, 10–20 mm, faces gray-pubescent. Cauline leaves 6–20 mm. Heads 4–11. Involucres: pistillate 4–6.5 mm. Phyllaries distally usually brown, sometimes cream, gray, or pale yellow. Corollas: pistillate 2.5–4 mm. Pappi: pistillate 3.5–5 mm. 2n = 42, 56, (70).

Flowering summer. Dry to moist habitats, tundra, rock outcrops, fields, meadows, forests, savannas, and roadcuts, other similarly disturbed places; 0–3800 m; Greenland; Alta., B.C., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Ont., Que., Yukon; Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex. (expected), Oreg., Utah, Wash., Wyo.

Subspecies confinis is closely related to Antennaria pulchella and A. umbrinella (R. J. Bayer 1989e), as shown by its relatively small basal leaves and smallish heads that usually have dark phyllaries.


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