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Erigeron subglaber
Cronq.
Family:
Asteraceae
Hairless Fleabane
Smithsonian Institution
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
3-7 cm; taprooted, caudex branches relatively short and thick.
Stems
erect, glabrous or sparsely strigose, eglandular.
Leaves
mostly basal (persistent); blades broadly oblanceolate to subspatulate, mostly 20-50(-60) × 2-6 mm, cauline gradually or abruptly reduced distally, margins entire, sometimes sparsely ciliate, faces glabrous or glabrate, eglandular.
Heads
1.
Involucres
4-5 × 8-10 mm.
Phyllaries
in 2-3 series, glabrous, eglandular.
Ray florets
25-35; corollas purplish to lavender, drying bluish, 6-9 mm, laminae spreading, not coiling or reflexing.
Disc corollas
2.9-3.6 mm.
Cypselae
(mature length not observed) 2-nerved, faces sparsely strigose;
pappi:
outer of setae, inner of 10-16 bristles.
Flowering Jul-Aug. Rocky open meadows in subalpine conifer forests, high ridges and peaks; of conservation concern; 3000-3500 m; N.Mex.
Missouri Botanical Garden
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