Ruellia cooperi Leonard In Standl.

inent on both the surfaces, the margins entire to undulate; petioles 1-3.5 cm long, puberulous. Inflorescences of peduncled, axillary, dichotomously branch-ing panicles, the peduncles to 30 cm long, sharply quadrangular, glabrous, the branches frequently curving. Flowcers solitary or in pairs borne at the axils or terminating the branches, the pedicels to 4 mm long, glandular puberulous; bracts spatulate, 3-5 mm long, 1-1.5 mm wide; calyx 6-7 mm long, the segments subulate, 4-5 mm long, 0.75 mm wide at the base, glandular puberulous; corolla white, sparingly puberulous, 2.5-2.8 cm long, the tube 1.5 mm in diameter for ca. 11 mm then expanding obliquely to 8 mm wide at the mouth, the limb 8-12 mm broad, the lobes rounded, 4.5-5 mm in diameter; stamens included. Capsules clavate, ca. 15 mm long, 3 mm broad, 2 mm thick, retrorse puberulous and with occasional glandular hairs, the stipe ca. 7 mm long; seeds discoid, ca. 2 mm in diameter.