Erigeron maguirei Cronquist (redirected from: Erigeron maguirei var. maguirei)
Family: Asteraceae
[Erigeron maguirei var. harrisonii S.L. Welsh,  more...]
Erigeron maguirei image

Perennials, 2-15(-28) cm; tap-rooted, caudex branches relatively short and thick. Stems ascending (greenish proximally), densely hirsute (hairs spreading), densely minutely glandular. Leaves basal (persistent) and cauline; basal blades oblanceolate-spatulate to spatulate (not folding), 20-50 × 3-8 mm (bases often abruptly contracted), margins entire (apices rounded to obtuse), faces densely hirsute to hispido-hirsute, minutely glandular; cauline blades becoming lanceolate, gradually reduced distally or unreduced until heads. Heads 1-5 (from distal branches). Involucres 5-6.5 × 7-11 mm. Phyllaries in 3-4 series, sparsely hirsute, densely minutely glandular. Ray florets 12-20; corollas white to pink, 6-8 mm, laminae spreading, not coiling or reflexing. Disc corollas 2.5-3 mm. Cypselae 1.8-2 mm, 2-nerved, faces hirsuto-villous; pappi: outer of setae or scales, inner of 13-25 bristles.

Flowering May-Jul. Sandy canyon bottoms, juniper or pinyon-juniper; of conservation concern; 1600-2200 m; Utah.

Erigeron maguirei is in the Center for Plant Conservation´s National Collection of Endangered Plants.