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Erigeron latus
Erigeron latus
(A. Nelson & J.F. Macbr.) Cronquist
Family:
Asteraceae
Images
not available
Flora of North America
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
3-8 cm; taprooted, caudices branched.
Stems
erect, sparsely hirsuto-villous (hairs equal), densely minutely glandular.
Leaves
mostly basal (persistent; petioles prominently ciliate, hairs spreading, thick-based); blades oblanceolate-spatulate to oblanceolate, 30-60 × 3-6 mm, cauline usually abruptly reduced distally, margins entire, coarsely ciliate, faces hirsute to hirsuto-villous, densely minutely glandular.
Heads
1.
Involucres
8-10 × 10-20 mm wide.
Phyllaries
in 2-3 series, sparsely hirsuto-villous, densely minutely glandular.
Ray florets
15-25; corollas pinkish to purple, 7-10 mm, laminae coiling.
Disc corollas
4.5-6 mm.
Cypselae
3.5-4.5 mm, 2(-3)-nerved, faces sparsely strigose to glabrate;
pappi:
outer sometimes of setae, sometimes 0, inner of 20-27 bristles. Flowering May-Jul(-Aug). Flat to gently sloping, open sites with shallow, gravelly soils over bedrock, volcanic sands and cinder, often with sagebrush or sagebrush-juniper, rhyolitic riparian areas; 1400-2200 m; Idaho, Nev.
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