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Erigeron canus A. Gray
HOARY FLEABANE
Life   Plantae   Dicotyledoneae   Asteraceae   Erigeron


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Associates · map
FamilyScientific name @ source (records)
Andrenidae  Perdita fallax @ BBSL (11)
Apidae  Epeolus mesillae @ BBSL (1)

Holcopasites pulchellus @ BBSL (2)

Holcopasites stevensi @ BBSL (1)

Melissodes hymenoxidis @ BBSL (2)

Melissodes lutulenta @ BBSL (4)

Neolarra vigilans @ BBSL (15)
Colletidae  Colletes phaceliae @ BBSL (3)

Hylaeus conspicuus @ BBSL (2)

Hylaeus wootoni @ BBSL (1)
Halictidae  Halictus confusus @ CUIC_ENT (1)

Lasioglossum lazulis @ BBSL (7)

Lasioglossum pruinosiforme @ BBSL (1)
Megachilidae  Ashmeadiella californica @ BBSL (1)

Heriades cressoni @ BBSL (1)

Megachile perihirta @ BBSL (1)

Megachile wheeleri @ BBSL (1)

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FNA Vol. 20 Page 260,276, 297 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 20 | Asteraceae | Erigeron

51. Erigeron canus A. Gray, Mem. Amer. Acad. Arts, n. s. 4: 67. 1849.

Hoary fleabane

Erigeron phoenicodontus S. F. Blake

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).

Updated: 2024-05-30 15:16:10 gmt
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