Anemopaegma orbiculatum Dc.

Liana to at least 2.5 cm in diameter, the bark light gray, smooth; stem with 8 phloem arms in cross section; branchlets subtetragonal, hollow, longitudinally ridged, puberulous, interpetiolar glandular fields lacking, an interpetiolar ridge sometimes connecting opposite petioles; pseudostipules usually lacking, rarely minutely foliaceous in young branches. Leaves digitately 5-foliolate or 4-foliolate with a tendril or tendril scar; leaflets ovate, acuminate, rounded to subcordate, membranaceous to subcoriaceous, secondary veins 5-7(-8) on each side, minutely papillate and impressed-lepidote above and beneath, scabrous along most veins beneath and on the midvein-above, drying olive, the terminal leaflet 4.3-22 cm long and 2.2-10 cm wide, intermediate leaflets 4.7-18.2 cm long and 2.3-9.5 cm wide, basal leaflets 3.0-14.5 cm long and 2.1-8.2 cm wide, the terminal petiolule 0.8-5.5 cm long, intermediate petiolules 0.8-3.8 cm long, basal petiolules 0.4-2.6 cm long; petiole 3.2-13.5 cm long, puberulous; tendril simple or trifid, 8-17 cm long, the ends when split, 1-5 mm long. Inflorescence a 1-10-flowered axillary or terminal raceme, its branches puberulous. Flowers faintly fragrant, calyx cupu-lar, truncate, with 5 irregular, minute, submarginal teeth, 5-8 mm long and 5-9 mm wide, puberulous, sometimes with glands; corolla tube yellow, the lobes cream, without nectar guides, tubular-campanulate, 3.2-5.0 cm long and 1.4-1.9 cm wide at the mouth of tube, the tube 2.6-4.1 cm long, the lobes 0.7-1.0 cm long, strongly glandular-lepidote outside, the trichomes sometimes drying orange, in-side scattered glandular-lepidote, pubescent with gland-tipped trichomes at and below the level of stamen insertion; stamens didynamous, the anther thecae more or less divaricate, 3-4 mm long, the longer filaments 2.0-2.6 cm long, the shorter filaments 1.3-1.9 cm long, the staminode 2-7 mm long, inserted 6-11 mm from base of corolla tube; pistil 2.4-3.0 cm long, the ovary stipitate, rounded-cylindric,