Morphological characteristics
The stout vine is 15 meters long and has a massive root; the whole plant is nearly glabrous or slightly pubescent, with occasional fluffy internodes.
Petiole stout, 5-10 cm long, initially yellowish brown pilose, sparsely glabrous, with 2-4 glands at base or middle; leaf blade ovate-cordate or broadly ovate-orbicular, slightly pale Hard, 10-20 cm in length and width, 3-5 split to deep or no split, middle lobe largest, obovate or oblong-lanceolate, 6-10(-15) cm long, 3-6 wide (-9) centimeters, apex acute or acuminate, shortly pointed, marginately denticulate or sparsely entire, lateral lobes smaller, ovate or oblong-lanceolate, long 3-7 (-11 ) cm, width 2-4(-7) cm, base cordate, base basally curved, 1.5-2 cm deep, 2.5-3 cm wide, palmately veined. The tendrils are quite thick, smooth and hairless, and do not diverge.
Dioecious. Male flowers: solitary in leaf axils or sometimes 3-4-flowered on very short racemes axis, pedicels stout, subglabrous, 3-5 cm long, pedicels 6-12 cm long, apical A large bract; sepals sessile, pocket-shaped, reniform, 3-5 cm long, 5-8 cm wide, apically short, entire, marginate, base slightly concave, pubescent on both surfaces, inner surface Slightly coarse; calyx tube funnelform, lobes broadly lanceolate or oblong, 12-20 mm long, 6-8 mm wide, apex acuminate or cuspidate, pubescent; corolla yellow, lobes ovate-oblong Shape, 5-6 cm long, 2-3 cm wide, apex acute or acuminate, base with dentate yellow glands, glands densely villous, outer two slightly larger, inner 3 smaller, base There are dark spots; stamens 3, 2 2 rooms, 1 1 room, drug room 1 back flexion. Female flowers: solitary in leaf axils, pedicels 5-10 cm long, near middle one with a bract; bracts pocket-shaped, both length and width 2 mm; corolla, calyx with male flowers; ovary ovate-oblong, ca. 1 cm, densely thorny hairs. The fruit is ovoid, with a short beak at the top, a nearly circular base, up to 12-15 cm long, red when ripe, fleshy, densely punctured 3-4 mm. Seeds mostly, ovate or square, dark brown after drying, 26-28 mm long, 18-20 mm wide, 5-6 mm thick, with teeth on the edges, slightly arched on both sides, with sculpted lines. Flowering from June to August, fruiting from August to October.
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