Coreopsis hamiltonii
Madroño 4: 214. 1938.
Endemic
Basionym: Leptosyne hamiltonii Elmer Bot. Gaz. 41: 323. 1906
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, ± lanceovate, 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.
"broader" is not a number.
... more about "Coreopsis hamiltonii"
introrse +
connate +
herbaceous +
2-3-toothed;entire +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
simple +
entire +
lobed +
winged;ribbed;winged;ribbed +
3;8 +
distinct +
herbaceous +
oblong;linear +
stigmatic +
absent +
zygomorphic +
yellow +
bristly +
dimorphic +
oblanceolate +
staminate +
Calif. +
straight +
beaked +
tuberculate +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
surrounding +
less globose;cylindric +
yellow +
alternate +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
adnate +
falling +
ovate;linear or subulate +
scarious +
persistent +
falling +
absent +
1 cm10 mm <br />0.01 m <br /> (?) +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Madroño +
1938 +
absent +
obovate +
paleate +
flat;convex +
fibrous +
exalbuminous +
modifed +
Endemic +
alternate +
branched +
erect +
2-branched +
papillate +
Coreopsis hamiltonii +
Coreopsis sect. Pugiopappus +
species +
equaling +
annual +
entire +
spreading;spreading +