Difference between revisions of "Helenium brevifolium"

Revision as of 18:45, 24 September 2019

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

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

Discussion

Selected References

None.

Lower Taxa