Coreopsis sect. Tuckermannia

(Nuttall) S. F. Blake

Proc. Amer. Acad. Arts 49: 340. 1913.

Basionym: Undefined sect. Tuckermannia Nuttall Trans. Amer. Philos. Soc., n. s. 7: 363. 1841
Treatment appears in FNA Volume 21. Treatment on page 186.

Perennials, subshrubs, or shrubs (often ± fleshy). Leaves cauline; alternate; blades (1–) 2–3-pinnately lobed. Calyculi of 4–12 bractlets. Phyllaries 8–14+. Paleae lanceolate to linear-oblong. Ray-florets 11–21+, pistillate, fertile; laminae yellow, ± elliptic to oblong, each broadest at or near middle, apices entire or 2–3-toothed. Disc-florets 80–150+; corollas yellow, lobes 5; style-branch apices ± truncate. Cypselae ± oblong, wings chartaceous to membranous, entire, not ciliolate, faces glabrous, smooth; pappi 0, or (1–) 2 cusps 0.1–0.2+ mm (shoulders of wings sometimes bristly).

Distribution

Coastal Calif, adjacent islands, nw Mexico (including Guadalupe Island)

Discussion

Species 2 (2 in the flora).

Selected References

None.

Key

1 Subshrubs or shrubs, (10–)30–250+ cm; heads (1–)8–12+ per stem; peduncles 4–12(–18+) cm; ray florets 8–13+ Coreopsis gigantea
1 Perennials, 1–4(–8) dm; heads 1–2(–4+) per stem; peduncles (8–)15–30+ cm; ray florets 16–21+ Coreopsis maritima

"broader" is not a number.

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 +
(Nuttall) S. F. Blake +
smooth +  and ciliate or barbed +
1 +  and 2 +
decurrent +
Undefined sect. Tuckermannia +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
winged +  and thin-margined +
fertile +  and bisexual +
fertile +  and bisexual +
Coastal Calif +, adjacent islands +  and nw Mexico (including Guadalupe Island) +
more or less papillate +  and tuberculate +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
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 +
less elliptic +  and oblong +
broadest +
sessile +  and petiolate +
less deltate +  and lanceovate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
lanceolate;linear-oblong +
persistent +
of 1-2 , smooth to ciliate or barbed awns or scales +  and coroniform +
8 +  and 14 +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Coreopsideae +  and Undefined (tribe Undefined) subtribe Petrobiinae +
Coreopsis sect. Tuckermannia +
Coreopsis +
section +
toothed +  and entire +
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
shrub +  and subshrub +
not ciliolate +
corky +  and chartaceous +
lobed +  and toothed +
chartaceous +  and membranous +