stems erect, 1 1/2–2 1/2 in. long, 3 1/2–4 1/2 lin. square, excluding the 3/4–1 1/2 lin.-long conical acute spreading teeth, very obtusely 4-angled, with flattish sides, glabrous, dull green, mottled with darker green or purple-brown, probably flowering near the base; pedicels 5–6 lin. long, glabrous; sepals 1 3/4–2 lin. long, ovate-lanceolate, acute or acuminate, glabrous; corolla about 1 1/4 in. in diam., quite glabrous and not ciliate, smooth on the back, densely rugulose on the inner face; disk nearly flat or very shallowly saucer-shaped, having a solid pentagonal annulus 4–4 1/2 lin. in diam. and about 1/2 lin. high around the corona; lobes spreading, 4 1/2–5 lin. long and as much in breadth, like an equilateral triangle in form, acute; pale greenish-yellow or sulphur-yellow, covered with numerous rounded blackish-purple spots about 1/2 lin. in diam., which are densely crowded and confluent on the annulus so that it is almost entirely blackish-purple and narrowly margined with the same colour on the lobes; outer corona-lobes very spreading, about 2/3 lin. long and broad, subquadrate, bifid to half-way down, with parallel teeth, blackish, shining; inner corona-lobes about 2/3 lin. long, closely incumbent upon the backs of and not exceeding the anthers, ovate, acute or obtuse, not gibbous on the back at the shoulder, whitish or yellow on the disk, with the margins and base blackish. null
