Stem flexuose or twining, not scabrid, wrinkled in the dried state, reddish-brown. Leaves spreading, glabrous; petiole 1–2 lin. long; blade 1–1 3/4 in. long, 5–7 lin. broad (or larger?), lanceolate or oblong-lanceolate, acute, rounded at the base. Cymes sublateral at the nodes, 3/4–1 1/3 in. long including the short peduncle, 2/3– 3/4 in. in diam., much branched, compact, corymbose, many-flowered, glabrous; branches erect or ascending; bracts 1/3– 1/2 lin. long, ovate, acute; pedicels 1–1 3/4 lin. long. Sepals 3/4 lin. long, 1/2 lin. broad, oblong-ovate, obtuse, glabrous. Corolla 2 1/2 lin. in diam., campanulate, shortly pointed and slightly twisted in bud, glabrous outside, pubescent at the base of the lobes around the mouth of the tube within, tube 3/4 lin. long; lobes 1 1/4–1 1/3 lin. long, 3/4–1 lin. broad, oblong, obtuse, erect, spreading, or recurved at the tips; margin of the sinus-pockets ciliate with rather long hairs. Coronal-lobes inserted at the middle of the corolla-tube much above the insertion of the stamens, 1/3– 1/2 lin. long, fleshy, subulate, acute, incurved, resembling fish-hooks, sparsely pubescent or hairy. Staminal column 1/2 lin. long; anthers deltoid, very acute, connivent in an acute cone over the conical apex of the style.
