Aureolaria patula
Proc. Acad. Nat. Sci. Philadelphia 71: 271. 1920.
Perennials. Stems branched, 5–9 dm, glabrous. Leaves: petiole 3–30 mm; blade lanceolate, 30–130 x 5–87 mm, margins proximally serrate to pinnatifid, distal 1/4–1/2 entire, surfaces glabrous. Bracts lanceolate, 15–36 x 6–7 mm, margins entire. Pedicels 11–23 mm, sparsely villous to puberulent. Flowers: calyx glabrous or sparsely pubescent, tube campanulate, 3–5 mm, lobes lanceolate, 7–9 x 1–2 mm, margins entire; corolla tube 18–27 mm, glabrous, lobes 11–12 x 10–13 mm; filaments 15–28 mm, glabrous or ciliate; style 25–30 mm. Capsules ovoid to pyriform, 10–11 x 5–10 mm, glabrous.
Phenology: Flowering Aug–Oct.
Habitat: Limestone substrates, edges of lakes or streams.
Elevation: 200–300 m.
Distribution
Ala., Ga., Ky., Tenn.
Discussion
Aureolaria patula is poorly known and has the most restricted distribution within Aureolaria. Little information is available, and few specimens exist. It is state-listed as threatened in Tennessee and of special concern in Kentucky.
Selected References
None.