Compilation
Piaranthus geminatus

stems procumbent or decumbent, 1–1 3/4 in. long, 1/2– 3/4 in. thick, very obtusely or obscurely 4-angled with about 4 minute teeth 1/2 lin. long along each angle, glabrous, light green; flowers in pairs or solitary (rarely 3 or 4 together) at the tips of the stems; pedicels 1/4– 1/2 in. long, glabrous; sepals 1 1/2–2 lin. long, ovate or ovate-lanceolate, acuminate, glabrous; corolla 1–1 1/4 in. in diam., rotate, without a tube; lobes widely spreading, 5–7 lin. long, about 2 lin. broad at the base, lanceolate or gradually tapering to the acute apex, with revolute margins, glabrous on the back, velvety-puberulous all over the inner face, not ciliate, yellow, dotted with blood-red; corona-lobes about 1 lin. long, linear-lanceolate or narrowly-oblong, acute or slightly toothed at the apex, closely incumbent upon the backs of the anthers and shortly exceeding them but not connivent-erect, dorsally produced at the base into a spreading crest entire or minutely subdenticulate at the dorsal margin, flat or nearly so and not tuberculate on the top, the entire corona appearing (viewed from above) like a star with 5 short rounded lobes connected at the base, yellow. null