Lindheimera

A. Gray & Engelmann

Proc. Amer. Acad. Arts 1: 47. 1847.

Etymology: For Ferdinand Jacob Lindheimer, 1801–1879, German expatriate, botanist/intellect, settled in Texas
Treatment appears in FNA Volume 21. Treatment on page 75. Mentioned on page 65.

Annuals, 10–120(–300+) cm. Stems erect, distally branched. Leaves cauline; mostly alternate (distal sometimes opposite); petiolate (proximal) or sessile; blades mostly lanceolate, oblanceolate, or ovate, bases mostly cuneate, margins coarsely toothed to crenate or ± entire, faces ± scabrellous and/or ± hispid. Heads radiate, borne singly or in (leafy to bracteate) loose, corymbiform arrays. Involucres ± turbinate to hemispheric, 5–12 mm diam. Phyllaries persistent (outer), (8–)10 in 2 series (outer 4–5 becoming reflexed, usually lance-linear, narrower and shorter than inner). Receptacles an outer ring supporting ray florets plus an inner column supporting disc florets, paleate (paleae linear, conduplicate). Ray florets (4–)5, pistillate, fertile; corollas lemon to bright yellow. Disc florets 12–25+, functionally staminate; corollas dull yellow to brownish, tubes shorter than funnelform throats, lobes 5, deltate. Cypselae obcompressed, oblanceolate to obovate (winged, faces ± scabrous to scabrellous; each shed with its subtending phyllary and 2 contiguous paleae with their florets); pappi 0 (shoulders of cypsela wings often projecting as deltate to cornute processes, sometimes interpreted as pappus). x = 8.

Distribution

sc United States, n Mexico.

Discussion

Species 1.

Selected References

None.

Lower Taxa

... more about "Lindheimera"
John L. Strother +
A. Gray & Engelmann +
sc United States +  and n Mexico. +
For Ferdinand Jacob Lindheimer, 1801–1879, German expatriate, botanist/intellect, settled in Texas +
Proc. Amer. Acad. Arts +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Lindheimera +
Asteraceae (tribe Heliantheae) subtribe Ecliptinae +