Coreopsis hamiltonii

(Elmer) H. Sharsmith

Madroño 4: 214. 1938.

Basionym: Leptosyne hamiltonii Elmer Bot. Gaz. 41: 323. 1906
Treatment appears in FNA Volume 21. Treatment on page 188. Mentioned on page 187.
Revision as of 20:37, 16 December 2019 by FNA>Volume Importer

Annuals, (3–)10–20+ cm. Leaf lobes oblong to linear, 1–8(–15) × 0.5–1 mm. Peduncles 3–9(–18) cm. Calyculi of 3–5 oblong to linear bractlets 1–3(–5) mm. Phyllaries 8, ± lance-ovate, 4–8 mm. Ray florets 8; laminae 3.5–8 mm. Disc florets ca. 40; corollas 2.5–3.5 mm. Paleae seldom basally adnate to and falling with disc cypselae. Ray cypselae narrowly obovate, 5–6 mm. Disc cypselae narrowly oblanceolate, 4–5 mm; pappi ca. 1 mm. 2n = 24.


Phenology: Flowering Mar–May.
Habitat: Talus slopes, rocky soils
Elevation: 600–1300 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Coreopsis hamiltonii"
John L. Strother +
(Elmer) H. Sharsmith +
Leptosyne hamiltonii +
600–1300 m +
Talus slopes, rocky soils +
Flowering Mar–May. +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Coreopsis hamiltonii +
Coreopsis sect. Pugiopappus +
species +