Melampodium leucanthum |
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Blackfoot daisy, plains Blackfoot |
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Habit | Perennials or subshrubs, 12–40(–60) cm. |
Leaf | blades lanceolate, linear-oblong, or linear, 20–35(–45) × 1–10(–12) mm, lengths 3–8+ times widths, pinnately lobed, lobes 1–6, ultimate margins entire. |
Peduncles | 3–7 cm. |
Ray florets | 8–13; corollas cream-white (sometimes purplish abaxially), laminae oblong-elliptic, 7–13 × 2.5–8 mm. |
Disc florets | 25–50. |
Outer phyllaries | 5, connate 1/2–3/5 their lengths, ovate, 5–7 mm. |
Fruits | 1.5–2.6 mm. |
2n | = 20, 40. |
Melampodium leucanthum |
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Phenology | Flowering Mar–Oct. |
Habitat | Open sites, grasslands, roadcuts, arid or desert scrublands |
Elevation | (200–)1000–2000(–2500) m ((700–)3300–6600(–8200) ft) |
Distribution |
AZ; CO; KS; NM; OK; TX; Mexico (Chihuahua, Coahuila, Sonora)
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Source | FNA vol. 21, p. 35. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Melampodiinae > Melampodium |
Sibling taxa | |
Name authority | Torrey & A. Gray: Fl. N. Amer. 2: 271. (1842) |
Web links |