“roots tuberous similar to those of a Dahlia ” (Gerrard); stem twining, 1 1/2–2 lin. thick, fleshy, glabrous, slightly rough to the touch; leaves fleshy, glabrous; petiole 1–3 lin. long, stout; blade 2/3–1 3/4 in. long, 1/2–1 in. broad, ovate-lanceolate to broadly cordate-ovate, acute or shortly cuspidate-acute, light green; cymes with 2–4 flowers, developed singly, glabrous; peduncles 2–5 lin. long, 1 1/2–2 lin. thick; pedicels 3–5 lin. long, nearly or quite 1/8 in. thick, becoming stouter in fruit; sepals 3–3 1/2 lin. long, 1 lin. broad, narrowly oblong, acute, longitudinally folded, glabrous; corolla-tube curved, 1 1/2–2 in. long, with an oblong inflation 1/4 in. in diam. at the base, narrowed above and enlarged to 2/3 or 3/4 in. in diam. at the funnel-shaped mouth, glabrous with the exception of a few hairs at the very base inside; striped with green and white on the upper part outside and within, light green on the inflation outside, dull greyish- or purplish-green within, with numerous ribs, which abruptly terminate at the base of the purple contracted part; lobes united into a flattish 5-keeled umbrella-like canopy 1 1/4–1 1/2 in. in diam., supported on 5 short claws, with 5 broad obtuse slightly bifid marginal much arched lobes, ciliate with vibratile white hairs, its centre distinctly depressed, with a 6-pointed tubercle above and a 5-ribbed projection beneath, yellowish-green, spotted with light green above and with brighter green underneath, with the ribbed projection beneath and some spots around it blackish-purple; outer corona 1/2 lin. long, cup-shaped, not pentagonal, truncate, entire, whitish, with the margin and at its junction with the inner corona-lobes purple-brown, ciliate with white hairs; inner corona-lobes 1 1/2 lin. long, incumbent on the backs of the anthers, with erect filiform tips, recurved at the apex, dorsally connected to the outer corona at the base, glabrous, white; follicles horizontally diverging, 3–5 1/2 in. long, 3 1/3–3 3/4 lin. thick, terete, tapering from about the middle to a slightly dilated umbonate apex about 2 lin. in diam., irregularly rugose and tuberculate, glabrous, green, stained with dull purplish. null