Coreopsis calliopsidea |
Coreopsis grandiflora |
|
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leafstem tickseed |
bigflower coreopsis, bigleaf tickseed, large-flower tickseed |
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Habit | Annuals, (5–)12–30(–50) cm. | Perennials, 40–60+ cm. |
Leaves | lobes linear, 3–30 × 0.5–3 mm. |
mostly cauline on proximal 2/3–7/8 of plant heights; petioles 0 or 10–35+ mm; blades usually 1(–2)-irregularly pinnately or ± pedately lobed with (3–)5–9+ lobes, rarely simple, simple blades or terminal lobes narrowly lanceolate to linear or filiform, 15–45(–90+) × (0.5–)2–8(–12+) mm. |
Peduncles | 5–25+ cm. |
8–15(–25+) cm. |
Ray florets | (5–)8+; laminae 12–20(–30) mm. |
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Ray laminae | yellow, 12–25+ mm. |
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Disc florets/ |
(12–)40–100+; corollas 4–6.6 mm. |
3.3–4.8 mm, apices yellow. |
Phyllaries | (5–)8, lance-ovate to lanceolate, 6–10+ mm. |
lance-ovate, 7–9(–12) mm. |
Calyculi | of 3–5 ovate-deltate bractlets (3–)4–6 mm. |
of lanceolate to linear bractlets 3.5–9+ mm. |
Cypselae | 2–3+ mm, wings spreading, ± chartaceous, entire or irregularly toothed to pectinate. |
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Disc cypselae | oblanceolate to linear, 5–6 mm; pappi 3–4(–5) mm. |
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Ray cypselae | ± oblong, 4–6 mm. |
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Paleae | seldom basally adnate to and falling with disc cypselae. |
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Aerial | nodes proximal to first peduncle usually 6–10+, distalmost 1–3 internodes 4–7+ cm. |
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2n | = 24. |
= 26 (+ 0–2B). |
Coreopsis calliopsidea |
Coreopsis grandiflora |
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Phenology | Flowering Feb–Jun. | Flowering May–Aug. |
Habitat | Alkaline playas, flood plains, deep sands | Sandy soils, ditches and roadsides, other disturbed sites, granite and sandstone outcrops |
Elevation | 100–1000 m (300–3300 ft) | 30–300+ m (100–1000+ ft) |
Distribution |
CA
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AL; AR; CT; FL; GA; IA; IL; IN; KS; KY; LA; MD; ME; MI; MO; MS; NC; NJ; NM; NY; OH; OK; PA; RI; SC; TN; TX; VA; VT; WI; WV; ON; QC
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Discussion | Coreopsis grandiflora var. inclinata J. R. Allison from glades in Alabama may merit recognition. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 21, p. 188. | FNA vol. 21, p. 194. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Pugiopappus | Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Coreopsis |
Sibling taxa | ||
Synonyms | Agarista calliopsidea | C. grandiflora var. harveyana, C. grandiflora var. longipes, C. grandiflora var. saxicola, C. saxicola |
Name authority | (de Candolle) A. Gray: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 90. (1859) | Hogg ex Sweet: Brit. Fl. Gard. 2: plate 175. (1826) |
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