Momordica cochinchinensis (Lour.) Spreng.
Sprengel, C.P.J. (1826) Systema Vegetabilium 3: 14.
Balsam Pear; Pear, Balsam
Vine stem diameters to 4 cm recorded. Blaze odour slightly obnoxious.
Leaf blades deeply 3-lobed with 1 or 2 smaller lobes on the main lateral lobes. Leaf blades about 14-19 x 12-17 cm, petioles about 4-6 cm long. Crushed leaves emit an obnoxious odour.
Male flowers: Inflorescence about 15 cm long. Flower buds enclosed in broad sheathing bracts about 2 x 3 cm. Peduncles about 10-11 cm long. Flowers large, about 9-10 cm diam. Calyx tube about 6 mm long, lobes about 8 mm long. Petals about 5.5-6 cm long. Anthers about 4 mm long, filaments about 4 mm long. Two stamens with bilocular anthers and one stamen unilocular.
Fruits spindle-shaped, about 8-9 x 4 cm on a stalk about 6 cm long, surface tuberculate. Seeds flattened, about 13-15 x 8-10 mm.
Cotyledons fleshy, rectangular, about 15-17 x 10 mm, venation not obvious. Cataphylls 1 or 2. First true leaves lobed. Seedling emits a foetid odour when handled. At the tenth leaf stage: leaf blade strongly lobed and the lobes themselves have toothed margins. Oil dots visible from the underside of the leaf blade. Leaf blade sparsely clothed in hairs more so along the major veins. Leaves emit a foetid odour when crushed, Tendrils axillary, simple. Seed germination time 145 days.