Arnica acaulis

(Walter) Britton

Prelim. Cat., 30. 1888.

Common names: Common leopardbane
Basionym: Doronicum acaule Walter Fl. Carol., 205. 1788
Treatment appears in FNA Volume 21. Treatment on page 368. Mentioned on page 367.
Revision as of 20:41, 16 December 2019 by FNA>Volume Importer

Plants 20–80 cm. Stems simple. Leaves 2–4(–6) pairs, nearly all basal; sessile; blades (with 3, 5, or 7 prominent, subparallel veins) broadly elliptic, ovate, or rhombic, 4–15 × 1.5–8 cm, margins mostly entire, apices mostly obtuse, faces hirsute and stipitate-glandular (cauline leaves 0 or 1–2, distalmost often alternate, much reduced). Heads 3–20. Involucres campanulate. Phyllaries 12–18, narrowly ovate. Ray florets 10–16; corollas yellow. Disc florets: corollas yellow; anthers yellow. Cypselae dark gray to dark brown, 5–7 mm, glabrous or sparsely stipitate-glandular; pappi white, bristles barbellate. 2n = 38.


Phenology: Flowering Apr–Jun.
Habitat: Sandy pine woods and clearings, often in damp soils, chiefly on Coastal Plain
Elevation: 0–300 m

Distribution

V21-916-distribution-map.gif

Del., D.C., Fla., Ga., Md., N.J., N.C., Pa., S.C., Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Arnica acaulis"
Steven J. Wolf +
(Walter) Britton +
Doronicum acaule +
Common leopardbane +
Del. +, D.C. +, Fla. +, Ga. +, Md. +, N.J. +, N.C. +, Pa. +, S.C. +  and Va. +
0–300 m +
Sandy pine woods and clearings, often in damp soils, chiefly on Coastal Plain +
Flowering Apr–Jun. +
Prelim. Cat., +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Arnica acaulis +
species +