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

10. Antennaria pulcherrima (Hooker) Greene, Pittonia. 3: 176. 1897.

Showy or handsome pussytoes, antennaire magnifique

Antennaria carpatica (Hooker) R. Brown var. pulcherrima Hooker, Fl. Bor.-Amer. 1: 329. 1834; A. pulcherrima var. angustisquama A. E. Porsild; A. pulcherrima var. sordida B. Boivin

Dioecious. Plants (8–)30–65 cm (caudices branching or rhizomes stout). Stolons none. Basal leaves 3–5-nerved, spatulate to oblanceolate or lanceolate, 50–200 × 4–25 mm, tips acute, mucronate, faces gray-pubescent or silvery sericeous. Cauline leaves linear, 8–140 mm, distal flagged or not. Heads 3–30 in corymbiform to paniculiform arrays. Involucres: staminate 5–8 mm; pistillate 7–12 mm. Phyllaries distally black, dark brown, light brown, castaneous, or olivaceous. Corollas: staminate 3–5 mm; pistillate 3–6 mm. Cypselae 1–1.5 mm, glabrous; pappi: staminate 4–6 mm; pistillate (5–)8–10 mm. 2n = 28, 56.

Subspecies 2 (2 in the flora): North America.

Antennaria pulcherrima is characterized by relatively large basal leaves, rhizomatous growth, and dark-colored phyllaries, each with a relatively large black spot at the base (R. J. Bayer and G. L. Stebbins 1987).

1 Cauline leaves: distal usually flagged; corollas: staminate 3.5–5 mm; pistillate 4–6 mm; wet sites, willow thickets, subalpine or subarctic, Colorado to Alaska, e to Ontario, w Quebec   10a Antennaria pulcherrima subsp. pulcherrima
+ Cauline leaves: mostly not flagged (sometimes flagged near heads); corollas: staminate 3–4 mm; pistillate 3–4.3 mm; limestone near sea level, w Newfoundland, Anticosti Island   10b Antennaria pulcherrima subsp. eucosma


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