Uncaria cordata (Lour.) Merr. var. cordata
Ridsdale, C.E. (1978) Blumea 75: 24(1).
Woody climber to 10 m; woody hooks present and used for climbing. Stems square, rusty brown, densely hairy.
Flowers produced in many-flowered umbels. Umbels about 4-5 cm diam. at anthesis. Peduncles to about 6.5 cm long. Floral bracts at the top of the peduncle are about 10-13 mm long and clothed in hairs. Pedicels about 9-10 mm long. Calyx (hypanthium) hairy, tube about 8 mm long including lobes, lobes about 2 mm long with a pair of glands at the base. Epicalyx lobes much smaller. Corolla hairy, tube about 10-12 mm long, lobes about 2-4 mm long. Anthers about 2 mm long, sessile. Style about 18-20 mm long. Stigma +/- clavate, about 2 mm long.
Fruits borne in umbellate clusters of many fruits to about 9.5 cm diameter. Fruits spindle-shaped, about 15 x 5 mm on a stalk 20-25 mm long. Calyx about 7 mm long including lobes, persistent at the apex of the fruit. Fruits normally opening along one suture. Each seed with a distinct filiform wing or appendage on each side. Seeds about 0.3 mm diam., each wing about 3 x 0.4 mm, i.e. seed + wings about 5-6 mm long. Embryo about 0.15 mm long, radicle longer than the cotyledons.
Features not available.