stem twining, more or less tomentose; leaves distant, spreading; petiole 1/2–1 1/2 in. long; blade 1 1/4–4 in. long, 1–2 1/4 in. broad, varying from oblong to elliptic, obtuse, apiculate, or rarely acute, cordate or obtusely rounded at the base, subcoriaceous, glabrous above, whitish or greyish-tomentose beneath; panicles 2–4 in. long, more or less pubescent or subtomentose, or the branches subglabrate; bracts 1–1 1/2 lin. long, broadly ovate, acute, often with a few hairs down the back, ciliate; pedicels 1 1/2–4 lin. long, glabrous or nearly so; sepals 1 lin. long, broadly ovate, obtuse or acute, more or less hairy on the back; corolla glabrous; lobes 2 1/2 lin. long, oblong, obtuse; corona-lobes 4 lin. long, filiform, sometimes bifid at the apex, erect, tortuous in the upper part, adnate at the base to the lower half of the staminal filaments, which are united with the alternating, shortly bifid lobules into a ring; follicles 1 1/2–2 3/4 in. long, 3 1/2–4 1/2 lin. thick at the base, gradually tapering to a point, slightly reflexed, tomentose or softly pubescent. null