Difference between revisions of "Erigeron pulchellus"
Fl. Bor.-Amer. 2: 124. 1803.
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Revision as of 21:05, 5 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](/w/images/a/ac/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.
Lower Taxa
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 |