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spreading yellow false foxglove

Habit 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.

Aureolaria patula

Phenology Flowering Aug–Oct.
Habitat Limestone substrates, edges of lakes or streams.
Elevation 200–300 m. (700–1000 ft.)
Distribution
from FNA
AL; GA; KY; TN
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 557.
Parent taxa Orobanchaceae > Aureolaria
Sibling taxa
A. flava, A. grandiflora, A. levigata, A. pectinata, A. pedicularia, A. virginica
Synonyms Dasystoma patulum, Gerardia patula
Name authority (Chapman) Pennell: Proc. Acad. Nat. Sci. Philadelphia 71: 271. (1920)
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