Difference between revisions of "Erigeron pulchellus"

Michaux

Fl. Bor.-Amer. 2: 124. 1803.

Common names: Hairy fleabane
IllustratedEndemic
Treatment appears in FNA Volume 20. Treatment on page 327. Mentioned on page 261, 267.
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Latest revision as of 18:32, 6 November 2020

Perennials, 15–60 cm; rhizomatous, fibrous-rooted, primary rhizomes relatively slender, producing slender, herbaceous, scale-leaved, stoloniform rhizomes (rhizomes often not collected). Stems erect to ascending (usually abruptly dilated proximal to heads), villous (more densely so on proximal 1/2), eglandular. Leaves basal (persistent) and cauline; basal blades oblanceolate to obovate or suborbiculate, subspatulate, 20–130(–180) × 6–30(–50) mm, cauline gradually reduced distally (bases clasping and slightly auriculate), margins usually dentate to denticulate, rarely entire, faces sparsely to moderately hirsute to hirsuto-villous, sometimes glabrate or glabrous (especially adaxially), eglandular. Heads 1–4(–9). Involucres 5–7 × 6–20 mm. Phyllaries in 2–3(–4) series, sparsely to moderately hirsute to hirsuto-villous (cross walls not distinctly colored), minutely glandular to stipitate-glandular. Ray florets 50–80(–100); corollas light blue to purplish, pink, or white, 6–10 mm, laminae coiling tardily at tips. Disc corollas 4.5–6 mm. Cypselae 1.3–1.8 mm, 2(–4)-nerved, faces sparsely strigose to glabrate or glabrous; pappi: outer 0 or of setae, inner of (22–)28–36 bristles.

Distribution

V20-738-distribution-map.gif

Ont., Que., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., N.C., N.H., N.J., N.Y., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., Vt., W.Va., Wis.

Discussion

Varieties 3 (3 in the flora).

Selected References

None.

Key

1 Stems and leaves glabrous Erigeron pulchellus var. brauniae
1 Stems and leaves hirsute to hirsuto-villous > 2
2 Rays blue to pinkish; disc corollas 4.5–6 mm; cypselae glabrous or glabrate Erigeron pulchellus var. pulchellus
2 Rays white; disc corollas 4–4.5 mm; cypselae strigose Erigeron pulchellus var. tolsteadii
... more about "Erigeron pulchellus"
Guy L. Nesom +
Michaux +
Hairy fleabane +
Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, N.C. +, N.H. +, N.J. +, N.Y. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +, Vt. +, W.Va. +  and Wis. +
Fl. Bor.-Amer. +
Illustrated +  and Endemic +
Achaetogeron +  and Trimorpha +
Erigeron pulchellus +
Erigeron +
species +