Erigeron vernus

(Linnaeus) Torrey & A. Gray

Fl. N. Amer. 2: 176. 1841.

Common names: Early white-top fleabane
IllustratedEndemic
Basionym: Aster vernus Linnaeus Sp. Pl. 2: 876. 1753
Treatment appears in FNA Volume 20. Treatment on page 278. Mentioned on page 263.

Biennials or short-lived perennials, 15–50 cm; rhizomatous, fibrous-rooted, caudices relatively thick and short, or elongate rhizomes, or appearing simple, sometimes producing rosulate offsets. Stems erect, sparsely strigose to strigoso-hirsute or villous, eglandular. Leaves mostly basal (persistent); blades narrowly to broadly oblanceolate to spatulate, 20–100(–150) × 4–25 mm (usually ± fleshy-thickened), margins entire or denticulate to mucronulate, faces glabrate eglandular; cauline mostly bractlike. Heads (1–)4–20(–25) in corymbiform arrays (from branches near apices). Involucres 3–4 × 5–11 mm. Phyllaries in 2–3(–4) series, usually sparsely hirsute to strigose, sometimes glabrous, eglandular, sometimes viscid. Ray florets 25–40; corollas white, 4–8 mm, laminae not coiling or reflexing. Disc corollas 2.5–3.8 mm. Cypselae subterete, 1.2–1.6 mm, 4-nerved, faces sparsely strigose; pappi: outer of setae, inner of 16–25 bristles. 2n = 18.


Phenology: Flowering (Mar–)Apr–Aug(–Oct).
Habitat: Moist to wet sites in sand or sandy clay or sandy peat, pine or pine-palmetto flatwoods and savannas, interdunal swales, road banks, ditches
Elevation: 0–50 m

Distribution

V20-563-distribution-map.gif

Ala., Fla., Ga., La., Miss., N.C., S.C., Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron vernus"
Guy L. Nesom +
(Linnaeus) Torrey & A. Gray +
Aster vernus +
Early white-top fleabane +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +  and Va. +
0–50 m +
Moist to wet sites in sand or sandy clay or sandy peat, pine or pine-palmetto flatwoods and savannas, interdunal swales, road banks, ditches +
Flowering (Mar–)Apr–Aug(–Oct). +
Fl. N. Amer. +
Illustrated +  and Endemic +
Achaetogeron +  and Trimorpha +
Erigeron vernus +
Erigeron +
species +