A small shrub, erect, scrambling or decumbent; branches more or less flexuose, minutely scaberulous, reddish. Leaves spreading, glabrous; petiole 1/2–1 lin. long; blade 3/4–2 in. long, 1 1/2–10 lin. broad, varying from linear or linear-lanceolate to elliptic, acute, rounded or subacute at the base, more or less distinctly 3-nerved. Cymes axillary, subsessile, small, densely many- (rarely less than 20-) flowered, minutely bracteate; pedicels 1–2 lin. long. Sepals 3/4 lin. long, ovate, obtuse, minutely ciliate. Corolla glabrous on both sides, white; tube 1 lin. long, campanulate; lobes 1 1/4 lin. long, 3/4–1 lin. broad, oblong, obtuse, not ciliate; sinus-pockets truncate, entire or denticulate, not ciliate. Coronal-lobes arising from the middle of the corolla-tube, 1/2 lin. long, fleshy, subclavate. obtuse or subacute. Anthers acuminate, connivent in a cone.