Shrubs or woody climbers. Trunks, branches, branchlets, and leaf rachises with prickles. Leaves 5-25-foliolate; leaflet blades alternate or opposite on distal part of leaf rachis, ovate, ovate-elliptic, or obliquely oblong, 4-10 × 1.5-4 cm, both surfaces black or blackish brown when dry, abaxially lustrous, oil glands inconspicuous, midvein impressed and glabrous or plane and puberulent, base oblique to subsymmetric and obtuse to broadly cuneate, margin entire or apically crenulate, apex mucronate, caudate, cuspidate, or long acuminate and with an obtuse to retuse tip. Inflorescences terminal or axillary. Flowers 4-merous. Perianth in 2 series. Sepals pale purplish green, broadly ovate, ca. 0.5 mm. Petals pale yellowish green, 2-3 mm. Male flowers: stamens 4, 3-4 mm; connective with an oil gland at apex; rudimentary gynoecium subtended by pulvinate disk, 2-4-lobed. Female flowers: carpels 3 or 4; staminodes ligulate. Fruit follicles purplish red, grayish brown to black when dry, 4.5-5.5 mm in diam., oil glands slightly protruding, plane, or impressed, apex beaked. Seeds subglobose, 4-5 mm in diam. Fl. Mar-May, fr. Jul-Aug. 2n = 68.
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A shrub or woody climber. It has prickles. The leaves have 5-25 leaflets. The leaflets are alternate or opposite. They are 4-10 cm long by 1.5-4 cm wide. The flowering shoots can be at the ends of branches or in the axils of leaves. The flowers have 4 parts. The petals are pale yellow to green. The fruit are follicles that are purplish red. They are 4.5-5.5 mm across. The seeds are 4-5 mm across.
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