Helenium brevifolium

(Nuttall) Alph. Wood

Amer. Bot. Fl., 182. 1870.

Common names: Shortleaf sneezeweed
Endemic
Basionym: Leptopoda brevifolia Nuttall Trans. Amer. Philos. Soc., n. s. 7: 373. 1841
Synonyms: Helenium curtisii A. Gray
Treatment appears in FNA Volume 21. Treatment on page 431. Mentioned on page 427.

Perennials, 20–100 cm. Stems usually 1, unbranched or sparingly branched distally, weakly to moderately winged, glabrous proximally, sparsely to moderately hairy distally. Leaves glabrous or sparsely hairy; basal blades oblanceolate to spatulate, entire or undulate to undulate-serrate; proximal and mid blades oblanceolate to lanceolate, usually entire, sometimes undulate to undulate-serrate; distal blades lance-linear, entire. Heads 1–10 per plant, borne singly or in paniculiform to corymbiform arrays. Peduncles (3–)6–11(–15) cm, sparsely to moderately hairy. Involucres hemispheric to globoid, 10–15 × 10–20 mm. Phyllaries (connate proximally) sparsely to moderately hairy. Ray florets 9–24, neuter; corollas yellow, 12.5–21 × 4–8 mm. Disc florets 200–500(–800+); corollas yellow proximally, usually purple to yellow or yellow-brown distally, 4–5.6 mm, lobes 5. Cypselae 1–1.4 mm, sparsely to moderately hairy; pappi of 6–8 entire, non-aristate scales 1–1.7 mm. 2n = 26, 28.


Phenology: Flowering Mar–May.
Habitat: Ditches, fields, other moist areas such as wet woods, bogs, and swamp edges
Elevation: 0–80 m

Distribution

V21-1075-distribution-map.gif

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

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Helenium brevifolium"
Mark W. Bierner +
(Nuttall) Alph. Wood +
Leptopoda brevifolia +
Shortleaf sneezeweed +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +  and Va. +
0–80 m +
Ditches, fields, other moist areas such as wet woods, bogs, and swamp edges +
Flowering Mar–May. +
Amer. Bot. Fl., +
Helenium curtisii +
Helenium brevifolium +
Helenium +
species +