Herb 0.5–1 m. tall, probably viscous; stems striate, ± densely covered with short gland-tipped hairs 0.5–1 mm. long and also puberulous; tendrils not seen.. Leaves 3-foliolate; leaflets ovate, 2.5–4 cm. long, 2–3.5 cm. wide, narrowly acuminate at the apex, rounded to subcordate at the base, sharply ± coarsely toothed, margin with very shortly stipitate glands, surface with ± dense sessile glands and short pubescence on the nerves beneath; petiole 3–4.5 cm. long; petiolules 0.2–1 cm. long, the median one much longer than the laterals, all with gland-tipped hairs; stipules broadly ovate, 6–10 mm. long, 4–7 mm. wide, finely pubescent.. Cymes axillary or terminating lateral shoots, 3.5–6 cm. wide, to 10 cm. in fruit; peduncles 1–5.5 cm. long; pedicels 1.5–3 mm.; all axes with dense very shortly stipitate glands and yellowish short pubescence; bracts and bracteoles minute.. Buds oblong, 2.5 mm. long, constricted at the middle, pubescent and with gland-tipped hairs at apex.. Calyx shallow, 1.5 mm. wide, entire.. Petals green, 3 mm. long.. Fruits reddish, elongate-ellipsoid, 1.2 cm. long, 5 mm. wide, densely covered with gland-tipped hairs 1–2 mm. long.. Seeds probably as in last species.
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