Show Lower Taxa
Difference between revisions of "Coreopsis sect. Tuckermannia"
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.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Latest revision as of 20:12, 5 November 2020
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.
Lower Taxa
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 |