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.
Revision as of 20:54, 27 May 2020 by imported>Volume Importer

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 +