A glabrous, erect or decumbent shrub, 3–7 ft. high; branches slender, terete, greenish. Leaves petioled, oblong to oblanceolate, acuminate (acumen short or up to 3/4 in. long, acute), acute or cuneate at the base, 6–11 in. long, 1 1/2–3 1/2 in. broad, herbaceous; secondary nerves 7–10 on each side, oblique; petiole 3–7 lin. long. Inflorescences shortly peduncled, pseudo-interaxillary, very dense; rhachis at first very short, then lengthening and covered below with the persistent bracts and large scars of the fallen flowers; peduncle up to 5 lin. long; bracts ovate, acute or acuminate, up to 3 lin. long; pedicels up to 2 lin. long, bracteolate. Sepals oblong to lanceolate, unequal, acuminate or acute, 3–6 lin. long. Corolla snow-white; tube up to more than 2 in. long, very slender in the lower two-thirds, then suddenly widened, but still cylindric for 4–6 lin., then shortly funnel-shaped, with hairy lines within below the stamens; lobes very broad, obliquely obovate and acuminate, 1 in. long and almost as broad. Stamens inserted 1 1/2 in. from the base; anthers 2 1/2 lin. long. Style 1 1/3 in. long.
