Gentiana latidens
Rhodora 111: 394. 2009.
Herbs perennial, 2–10 dm, glabrous, rarely puberulent on stems and calyx tubes. Stems 6–100+, terminal from caudex, erect or decumbent. Leaves cauline, ± evenly spaced; blade ovate, 3–15 cm × 10–55 mm, apex acuminate. Inflorescences 1–20-flowered heads, sometimes with additional flowers at 1–3 nodes. Flowers: calyx 15–35(–45) mm, lobes spreading nearly horizontally when fresh, obovate, elliptic, ovate, orbiculate, or rhombic, 3–25(–35) mm, often strongly unequal, margins ciliate; corolla blue, ± loosely closed, 30–55 mm, lobes ± incurved to nearly erect, ovate-triangular, 2.5–5 mm, free portions of plicae ± as long and wide as lobes, oblong, deeply and unequally bifid, summit erose; anthers connate. Seeds winged.
Phenology: Flowering late summer–fall.
Habitat: Moist to wet rocky slopes, roadsides, acid soils.
Elevation: 1300–1700 m.
Discussion
Gentiana latidens is known only from the Plott Balsam and Great Balsam mountains and Pisgah Ridge in Haywood, Jackson, Macon, and Transylvania counties, and perhaps also in Clay County.
Selected References
None.