Plants climbing, herbaceous, pale yellow pubescent-hirsute. Roots tuberous. Stems robust, angular-sulcate. Petiole robust, 2-6 cm; leaf blade broadly ovate-cordate, 5-8 × 4-9 cm, both surfaces scabrous, hirsute on veins, basal lateral veins along margin of blade base, base cordate, margin irregularly dentate, apex acute or shortly acuminate; sinus deep, suborbicular or semicircular, 1-1.5 cm deep, 1.5-3 cm wide. Tendrils filiform, simple. Male flowers solitary or several congested on short rachis into pseudoraceme; pedicel filiform, 1.5-3.5 cm, pubescent; calyx tube very short, subrotate, 3-4 × 7-8 mm; segments reflexed, lanceolate, 12-13 × 2-3 mm; stamens 4 connected in pairs and 1 free, 2-2.5 mm, puberulent; anthers ovoid, ca. 2 mm; rudimentary ovary semiglobose. Female flowers solitary; pedicels slender, 1-2 cm, pubescent; calyx and corolla as in male flowers; staminodes 5; ovary oblong, 5-8 mm, densely pale yellow pubescent; style 3-fid; stigma enlarged, reniform, 2-lobed. Fruit orange-yellow, ovoid-oblong, 4-5 cm × ca. 28 mm, pubescent, with 10 longitudinal striae, base slightly attenuate. Seeds black, ovate, 4-4.3 × 2.5-3 mm, ca. 1.5 mm thick, smooth. Fl. Jun-Aug, fr. Aug-Oct.
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A pumpkin family plant. It is a climbing plant. It has yellow hairs. The roots are fattened as tubers. The stem is robust and angular. The leaves are oval or heart shaped and 5-8 cm long by 4-9 cm wide. There are irregular teeth along the edge. It has simple thin tendrils. Male flowers can occur singly or in groups and female flowers are single. The fruit is oblong and succulent. It is orange to yellow. It is oval and 4-5 cm long by 3 cm wide.
Leaf blades 5–10 × 4–9 cm, base cordate, apex short-acuminate, surfaces hirsutulous. Inflorescences: peduncle 5–15 mm. Flowers: hypanthium 2–4 mm; sepals recurving, 12–13 mm; petals ca. 25 mm, apex acute. Pepos 4–5 cm, surface with 10 obscure furrows. 2n = 18.
A dioecious Asiatic vine with cordate-ovate lvs, axillary yellow fls 1.5–2.5 cm, and with strongly ribbed and cross-ribbed ellipsoid fr 5 cm, occasionally escapes in s. Can.and n. N. Engl.
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