Adenia panduriformis Engl.

Climber to 10 m., glabrous; stem ± terete, not winged or knobbly.. Leaf-blades entire to 3(–7)-lobed, orbicular to ovate, base cordate or rarely truncate, top acute, up to 0.5 cm. acuminate, 4–13 by 3–12 cm., pinninerved or main nerves from near base, margin entire; lobes up to 4 cm.; petiole 0.5–5(–6) cm.. Glands at blade-base 2, on 2 ± hollowed auricles 1.5–3 mm. in diameter lateral at the top of the petiole; no other glands present.. Stipules oblong, acute, 0.5–1.5 mm.. Inflorescences peduncled for up to 2 cm., up to 10-flowered in ♂, 1–5-flowered in ♀; tendril 0 or 1, 2–15 cm.; sterile tendrils up to 20 cm.. Male flowers broadly tubiform-campanulate, including the 0.5–1.5 mm. long stipe 15–22 mm.; hypanthium broadly cup-shaped, ± 5-saccate, 3–5 by (8–)10(–14) mm.; calyx-tube 4–8 mm.; calyx-lobes elongate-triangular, subacute, 4–10 mm., finely undulate-crenate; petals ± broadly spathulate, top rounded to subacute, 3–5-nerved, dentate-fimbriate, including the 2–4 mm. long claw 7–8 by 3–4 mm., inserted at the same level as the corona; filaments 2.5–3 mm., connate for ± 1 mm., inserted at the base of the hypanthium; anthers 7.5–10 mm., obtuse, not apiculate; septa 0.5–1 mm. high; corona consisting of membranous appendages 0.5(–1) mm.; disk glands ± 1 mm.. Female flowers broadly tubiform-campanulate, including the 0–1 mm. long stipe (10–)15–20 mm.; hypanthium 2–3 by (7–)10 mm.; calyx-tube 2–5 mm.; calyx-lobes narrowly triangular, acute, 7–14 mm., subentire; petals lanceolate to lanceolate-linear, acute, 5.5–7 mm., 1-nerved, cremilate-fimbriate towards the top; staminodes ± 3 mm.; septa ± 0.5 mm. high; corona and disk glands as in ♂; gynophore 0.5–1 mm.; ovary subglobose, ± 5 by 4.5 mm.; styles connate for 1.5–2 mm., style-arms 1.5–2 mm.; stigmas subglobose, woolly-papillate, each ± 4 mm. in diameter.. Fruits 1–3 per inflorescence, subglobose, excluding the 1–4(–5) mm. long gynophore 2.2–3.5(–4) by 2–3.5 cm.; pericarp woody-coriaceous, 1.5–2.5 mm. thick, green, turning yellow.. Seeds 20–45 per capsule, ovoid-ellipsoid, ± 6 mm.