Echinacea paradoxa

(Norton) Britton in N. L. Britton and A. Brown
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. 2, 3: 476. 1913.
EndemicConservation concern
Basionym: Brauneria paradoxa Norton Trans. Acad. Sci. St. Louis 12: 40, plate 8. 1902
Treatment appears in FNA Volume 21. Treatment on page 90. Mentioned on page 88, 89.

Plants to 90 cm (roots fusiform to elongate-turbinate, branched). Herbage sparsely to densely hairy (hairs appressed to ascending). Stems usually yellowish green (usually not branched). 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). Peduncles (2–)10–30 cm. Phyllaries lanceolate to ovate, 7–12 × 1–4 mm. Receptacles: paleae 10–14 mm, tips red to orange, often incurved, sharp-pointed. Ray corollas yellow (var. paradoxa) or pinkish to white (var. neglecta), laminae reflexed, 30–70 × 3–8 mm, sparsely hairy abaxially. Discs ovoid to conic, 2–3.5 × 2–3.5 cm. Disc corollas 4.5–6.2 mm, lobes pinkish to yellowish. 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).

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Ray corollas yellow; n Arkansas, s Missouri Echinacea paradoxa var. paradoxa
1 Ray corollas light purple, pink, or white; s Okla-homa, n Texas Echinacea paradoxa var. neglecta
... more about "Echinacea paradoxa"
Lowell E. Urbatsch +, Kurt M. Neubig +  and Patricia B. Cox +
(Norton) Britton in N. L. Britton and A. Brown +
Brauneria paradoxa +
Ark. +, Mo. +, Okla. +  and Tex. +
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. +
Endemic +  and Conservation concern +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Echinacea paradoxa +
Echinacea +
species +