Difference between revisions of "Echinacea tennesseensis"
Man. S.E. Fl., 1421, 1509. 1933.
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--><p><i>Echinacea tennesseensis</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | --><p><i>Echinacea tennesseensis</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=drew1995a | ||
| + | |text=Drew, M. B. and E. C. Clebsch. 1995. Studies on the endangered Echinacea tennesseensis (Asteraceae): Plant community and demographic analysis. Castanea 60: 60–69. | ||
| + | }} | ||
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|elevation=100–200 m | |elevation=100–200 m | ||
|distribution=Tenn. | |distribution=Tenn. | ||
| − | |reference= | + | |reference=drew1995a |
|publication title=Man. S.E. Fl., | |publication title=Man. S.E. Fl., | ||
|publication year=1933 | |publication year=1933 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/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 | ||
Revision as of 20:35, 16 December 2019
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.