Difference between revisions of "Echinacea tennesseensis"
Man. S.E. Fl., 1421, 1509. 1933.
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|common_names=Tennessee purple coneflower | |common_names=Tennessee purple coneflower | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Brauneria tennesseensis | |name=Brauneria tennesseensis | ||
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|publication title=Man. S.E. Fl., | |publication title=Man. S.E. Fl., | ||
|publication year=1933 | |publication year=1933 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_216.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Latest revision as of 20:10, 5 November 2020
Plants to 50 cm (roots elongate-turbinate, branched). Herbage sparsely to densely hairy (indument relatively soft, hairs spreading, to 2+ mm). Stems yellowish green becoming tan. Basal leaves: petioles 2–10 cm; blades 1- or 3-nerved, linear to lanceolate, 6–12 × 0.7–1.5 cm, bases attenuate, margins entire (usually ciliate). Peduncles 8–25+ cm. Phyllaries lanceolate to ovate, 5–10 × 1.5–2.5 mm. Receptacles: paleae 9–12 mm, tips purple, 2–3 mm, often incurved, rounded to acute. Ray corollas pink to purplish, laminae spreading to reflexed, 20–40 × 3–4 mm, moderately hairy abaxially. Discs conic, 10–25 × 15–25 mm. Disc corollas 5.5–6.5 mm, lobes usually purple. Cypselae tan, 4–5 mm, faces smooth, glabrous; pappi to ca. 1.2 mm (major teeth 0–4). 2n = 22.
Phenology: Flowering in summer.
Habitat: Dry, rocky hills, barrens
Elevation: 100–200 m
Discussion
Of conservation concern.
Echinacea tennesseensis is in the Center for Plant Conservation’s National Collection of Endangered Plants.