Echinacea paradoxa |
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Bush's purple coneflower, yellow coneflower |
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Habit | Plants to 90 cm (roots fusiform to elongate-turbinate, branched). | ||||
Herbage | sparsely to densely hairy (hairs appressed to ascending). |
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Stems | usually yellowish green (usually not branched). |
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Basal leaves | petioles 0–15 cm; blades (3-) or 5-nerved, usually linear or lanceolate, rarely ovate, 5–35 × 0.5–2(–2.5) cm, bases usually attenuate, margins entire (usually ciliate). |
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Peduncles | (2–)10–30 cm. |
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Receptacles | paleae 10–14 mm, tips red to orange, often incurved, sharp-pointed. |
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Ray corollas | yellow (var. paradoxa) or pinkish to white (var. neglecta), laminae reflexed, 30–70 × 3–8 mm, sparsely hairy abaxially. |
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Disc corollas | 4.5–6.2 mm, lobes pinkish to yellowish. |
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Phyllaries | lanceolate to ovate, 7–12 × 1–4 mm. |
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Cypselae | tan or bicolored (with distal dark brown band), 4–5.5 mm, faces ± tuberculate, usually glabrous (angles of ray cypselae hairy distally in var. neglecta); pappi to ca. 1.2 mm (major teeth 0–4). |
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Discs | ovoid to conic, 2–3.5 × 2–3.5 cm. |
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Echinacea paradoxa |
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Distribution |
AR; MO; OK; TX
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 21, p. 90. | ||||
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Echinacea | ||||
Sibling taxa | |||||
Subordinate taxa | |||||
Synonyms | Brauneria paradoxa | ||||
Name authority | (Norton) Britton: in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. 2, 3: 476. (1913) | ||||
Web links |