Red grapefruit, also known as blood grapefruit, grapefruit fruit is spherical, oblate or pear-shaped. The rind is smooth, the skin is yellowish or orange, and the flesh is pink. The juice cells are red, rich in juice, sweet and sour flavor, slightly bitter, top quality.
Grapefruit (scientific name: Citrus paradisi Macf.) Rutaceae, Citrus genus of small trees, branches slightly drooping, glabrous. Leaf shape and texture are similar to those of grapefruit, but generally smaller, with narrower and shorter winged leaves, and the winged midveins of young leaves covered with short fine hairs. Racemes, sparsely or singly flowered axillary; calyx glabrous; petals slightly smaller than those of grapefruit flowers. Fruit compressed round to globose, smaller than grapefruit, the skin is also thinner, the top of the fruit with or without annulus, the scoops capsule 12-15 petals, the heart of the fruit is full, woolly, flesh light yellowish white or pink, tender, juicy, crisp, slightly fragrant, taste acidic, individual varieties have both bitter and tongue taste; seeds are few or none, multi-embryo.