stems erect, 5–11 in. long, 3/4–1 1/4 in. square, with much compressed toothed angles and rudimentary erect leaves 1–2 lin. long, velvety puberulous, green, sometimes tinted with purplish; flowers 2 to several together, successively developed from a short stout peduncle or cyme near the base of the young stems; pedicels 1/2–1 in. long, stout, velvety; sepals 2–4 lin. long, lanceolate or ovate-lanceolate, acute, velvety; corolla 3–4 in. in diam., velvety on the back, transversely rugulose (except at the tips of the lobes) and glabrous or with a minute erect pubescence around the corona on the inner face, irregularly ciliate (sometimes very sparsely) on the very edge of the lobes with spreading white hairs 1–2 lin. long, mingled with others more minute; disk and basal half of the lobes sulphur-yellow or dull yellowish-green or yellowish-white marked with numerous crowded narrow irregular transverse purple-brown lines, margins narrowly bordered with and apical half of lobes entirely dark purple-brown, usually with a dull yellowish or greenish spot at apex; disk broadly and shallowly cup-like with a small star-like cavity at the centre; lobes very spreading and more or less recurved, 1–1 1/2 in. long, 8–9 lin. broad, ovate-lanceolate, acute or somewhat acuminate; outer corona-lobes ascending-spreading, scarcely recurved at apex, 2 1/2–3 1/2 lin. long, 2/3– 3/4 lin. broad, linear, acuminate, acute or obtuse, with or without a minute apiculus deeply channelled down the face, brownish-ochreous or purple-brown with paler margins; inner corona-lobes dark olive-brown or purple-brown, with the dorsal wing free to the base, ascending-spreading, 1–2 lin. long, 3/4–1 lin. broad at the base, deltoid to oblong-linear, acute or obtuse, entire or toothed on the inner margin; inner horns connivent at the base, then recurving, sometimes with the tips incurved, 1 1/2–3 lin. long, triquetrous-subulate, acute. null