branches erect, straight, pubescent or puberulous, beset with very numerous short branchlets; leaves 3-nate, crowded, very spreading, recurved or rarely straight, 1/3–1 1/4 lin. long with the petiole, linear or rarely ovate, trigonous, subacute, glabrous or at first minutely puberulous, with or without a few gland-tipped hairs on the margins and back; flowers 1–4 at the ends of extremely short axillary branchlets, which are arranged in a spike-like manner along the main and lateral branches; pedicels less than 1/4 lin. long; bracts 3, subequal, adpressed to the calyx, 1/4– 1/3 lin. long, linear, acute, ciliate; calyx 1/3– 1/2 lin. long, campanulate, lobed to or beyond the middle; lobes subquadrate and cuspidate-apiculate, glabrous, ciliate with short gland-tipped hairs or at the lower part with fine simple hairs; corolla 2/3–1 lin. long, funnel-shaped, not constricted at any part, glabrous outside and within; lobes broader than long, obtuse, concave, erect or incurved; stamens 4; filaments glabrous; anthers 1/4– 1/3 lin. long, with parallel but rather widely separated cells, spurred above the base, minutely scabrous; spurs awn-like, 1/3– 1/2 as long as the cells or occasionally rudimentary or absent; ovary more or less pointed and puberulous at the top; style exserted, 1/2– 2/3 lin. long, glabrous; stigma minute, capitate. null
