Thelesperma flavodiscum

(Shinners) B. L. Turner

Rhodora 61: 245. 1959.

Basionym: Thelesperma filifolium var. flavodiscum Shinners
Treatment appears in FNA Volume 21. Treatment on page 202. Mentioned on page 200.
Revision as of 15:35, 18 September 2019 by FNA>Volume Importer

Annuals, 30–70(–120+) cm. Cauline leaves ± scattered over proximal 9/10 of plant heights, internodes mostly 35–100+ mm; lobes mostly linear to filiform, sometimes oblanceolate, (10–)25–45+ × 0.5–1(–2) mm. Calyculi of 7–9 linear to narrowly triangular bractlets 4–6(–8) mm. Ray florets 8; laminae yellow, 12–20+ mm. Disc corollas yellow, often with red-brown nerves, throats shorter than lobes. Cypselae 4–5 mm; pappi 0.5–1.5+ mm. 2n = 18, 20.


Phenology: Flowering May–Jun.
Habitat: On sands, post-oak savannas
Elevation: 100–200 m

Discussion

Differences between Thelesperma flavodiscum and T. filifolium are subtle; they may be better treated as one species.

Selected References

None.

Lower Taxa

None.
... more about "Thelesperma flavodiscum"
John L. Strother +
(Shinners) B. L. Turner +
Thelesperma filifolium var. flavodiscum +
100–200 m +
On sands, post-oak savannas +
Flowering May–Jun. +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Thelesperma flavodiscum +
Thelesperma +
species +