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Red de Herbarios del Noroeste de México (northern Mexico)
SERNEC - Southeastern USA
Erigeron canus
A. Gray
Family:
Asteraceae
Hoary Fleabane
Al Schneider
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
5-35 cm; taprooted, caudex branches relatively thick, usually retaining old leaf bases.
Stems
erect, densely white strigoso-canescent, eglandular.
Leaves
mostly basal (persistent , ± erect; leaf bases broadened or not, not thickened and whitish-indurate); blades linear-oblanceolate to oblanceolate, 20-100 × 2-5(-7) mm, cauline sharply reduced or 0 (restricted to proximal
1
/ 4 -
1
/ 2 ), margins entire , faces densely white strigoso-canescent, eglandular.
Heads
1(-4).
Involucres
5-7 × 9-16 mm.
Phyllaries
in 3-4 series, densely hirsute to strigoso-hirsute, minutely glandular.
Ray florets
20-50(-70); corollas white to light blue, 7-12 mm, laminae reflexing, sometimes tardily.
Disc corollas
3.7-5.6 mm.
Cypselae
(nearly terete,) 2.8-3.5 mm, (8-)10-14-nerved, faces glabrous;
pappi:
outer of setae or bristles, inner of 24-36 bristles.
2
n
= 18.
Flowering May-Jul(-Aug). Dry hills, grasslands, often in gravelly or shaley soil, sagebrush, pinyon-juniper, pine-oak, oak; 1700-2700 m; Ariz., Colo., Kans., Nebr., N.Mex., Okla., S.Dak., Utah, Wyo.; Mexico (Chihuahua).
Open Interactive Map
Al Schneider
Click to Display
100 Initial Images
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This project made possible by National Science Foundation Awards
1601697
,
1600981
,
1601393
,
1600976
,
1601429
,
1601101
,
1601503
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