Difference between revisions of "Echinacea paradoxa"
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. 2, 3: 476. 1913.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Echinacea paradoxa | |accepted_name=Echinacea paradoxa | ||
| − | |accepted_authority=(Norton) Britton | + | |accepted_authority=(Norton) Britton |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. | |title=in N. L. Britton and A. Brown, Ill. Fl. N. U.S. ed. | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Echinacea paradoxa | name=Echinacea paradoxa | ||
| − | |authority=(Norton) Britton | + | |authority=(Norton) Britton |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1913 | |publication year=1913 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
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Revision as of 20:10, 5 November 2020
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).
Distribution
Ark., Mo., Okla., Tex.
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 |