Lazy grapes: more common in the southern part of the country, the Wenzhou area known as the "red lady", as the name suggests: the appearance of its love, the flavor of its sweet. Lai grapes, also known as golden bell, cucurbitaceae, bitter melon genus, annual climbing herb bitter melon fruit. Leaves alternate, palmately 5-7 parted. Flowers small, unisexual, monoecious, yellow. Length not more than 10 cm. Fruit fusiform, with verrucose projections, orange-yellow and bitter at maturity, flesh bright red and sweet. Young fruits are greenish-white, white at maturity, later ripe fruits are orange-red, young or old fruits can be eaten.

Bitter melon (scientific name: Momordica charantia L.), common name: mange grape, cool melon, bitter melon annual climbing tender herb. Stem and branches are pilose. Tendrils not divergent, petiole 4-6 cm long; leaves ovate-reniform or suborbicular, 4-12 cm long, 4-12 cm wide, 5-7-parted, lobes ovate-oblong, coarsely toothed or with irregular lobules. Male flowers: solitary in leaf axils; pedicel with 1 green bract in middle or lower part, reniform or orbicular, 0.5-1.5 cm long, 0.5-1.5 cm wide; calyx lobes ovate-lanceolate, 4-6 mm long; corolla yellow, lobes obovate, 1.5-2 cm long; stamens 3, free, anther locules 2- folded. Female flower: solitary; pedicel base often with 1 bract; ovary densely verrucose. Fruit fusiform or terete, verrucose, 10-20 cm long, orange-yellow when mature, apically 3-valved. Seeds numerous, with red aril, each end with 3 small teeth, both surfaces incised. Flowering and fruiting period May-October. Bitter melon fruit taste sweet and bitter, mainly as a vegetable, can also be candied; mature pulp and aril can also be eaten; roots, vines and fruits are used in medicine, have the effect of clearing away heat and detoxification.