stems many from the same root and leafy to the base, growing to a height of 4 ft., simple, glabrous; leaves in whorls of 3–4 or the uppermost sometimes opposite, petiolate, 2 1/2–4 in. long, 1 1/2–5 1/2 lin. broad, from almost linear to narrowly lanceolate, tapering to a very acute apex, cuneate-acute at the base, glabrous, sometimes minutely ciliate when young; umbels numerous, lateral at the nodes, racemose, pedunculate, 8–25-flowered; peduncles 1–1 3/4 in. long, glabrous; bracts very caducous, only seen on very young umbels, numerous, 2 1/2–3 lin. long, linear-subulate, glabrous; pedicels 3/4–1 1/4 in. long, slender, glabrous; sepals 1 1/2–2 lin. long, 2/3– 3/4 lin. broad, ovate-lanceolate, acute or acuminate, glabrous; corolla-lobes reflexed, 2 1/2–3 1/2 lin. long, 1 1/2–1 3/4 lin. broad, lanceolate-oblong, obliquely notched at the obtuse apex, glabrous on both sides, often ciliate on one margin, white; corona-lobes arising 1/3– 1/2 lin. up the staminal column and shorter than it, erect, cucullate, about 1 lin. long from the truncate base to the obliquely truncate top, about 2/3– 3/4 lin. broad, the inflexed sides produced into erect acute points about 1/2 lin. long, without a tooth or process within; staminal column 2–2 1/4 lin. long; anther-appendages rather broader than long, subtruncately emarginate, rounded at the sides, slightly folded back longitudinally, loosely inflexed over the slightly depressed-truncate style-apex; follicles solitary, 1 1/4–2 1/4 in. long, nearly 1 in. thick, ovoid, ellipsoid or elongate-obovoid, very obtuse, glabrous, apparently somewhat fleshy; seeds about 2 1/2 lin. long, 1 3/4 lin. broad, ovate, central part smooth and slightly convex on both sides, surrounded by a broad transversely plicate-wrinkled rim, glabrous, brown. null