lesser yellow beardtongue

General:
Tufted perennial from a woody rhizome, the stems 2-5 dm. tall, mostly glabrous.
Leaves:
Leaves opposite, entire, the lower ones petiolate, up to 15 cm. long and 2.5 cm. wide and forming a rosette; cauline leaves sessile, lanceolate to oblong-lanceolate, up to 10 cm. long and 2.5 cm. wide.
Flowers:
Inflorescence of 2-10 compact verticillasters, the lower remote; bracts of the inflorescence with uneven margins; calyx 3-5 mm. long, the 5 segments with broad, uneven.. more