Coreopsis hamiltonii

(Elmer) H. Sharsmith

Madroño 4: 214. 1938.

Endemic
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 22:23, 29 July 2020 by imported>Volume Importer
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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"
not tailed +, rounded +  and obtuse +
dark +  and pale +
connate +  and distinct +
2-3-toothed;entire +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(Elmer) H. Sharsmith +
smooth +  and ciliate or barbed +
1 +  and 2 +
decurrent +
Leptosyne hamiltonii +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
oblong;linear +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
barbellulate +  and barbellate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
winged +  and thin-margined +
less orbiculate +  and ovate oblong or linear +
fertile +  and bisexual +
oblanceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
600–1300 m +
hairy +  and glabrous +
tuberculate +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Talus slopes, rocky soils +
discoid +  and radiate +
in open , more or less corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
less globose;cylindric +
distal +  and middle +
less obovate +  and flabellate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and petiolate +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
oblong +  and linear +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
cauline +  and basal +
less deltate +  and lanceovate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
ovate;linear or subulate +
persistent +
of 1-2 , smooth to ciliate or barbed awns or scales +  and coroniform +
1 cm10 mm <br />0.01 m <br /> (?) +
9 cm90 mm <br />0.09 m <br /> (18 cm180 mm <br />0.18 m <br />) +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Flowering Mar–May. +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
styliferous +  and pistillate +
sterile +  and fertile +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
lanceolate +  and subulate +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Coreopsis hamiltonii +
Coreopsis sect. Pugiopappus +
species +
toothed +  and entire +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
shrub +  and subshrub +
spreading;spreading +
ciliolate +  and not ciliolate +
corky +  and chartaceous +
lobed +  and toothed +
chartaceous +  and membranous +