Origin: in Riverside, Calif., by James W. Cameron and Robert K. Soost, California Citrus Res. Center and Agr. Expt. Sta. Introd. in 1961. Cross of two pummelo (Citrus grandis Osbeck) introductions from S.E. Asia, P.I. 10126 (C.E.S. 2240) × P.I. 10127 (C.E.S. 2241) 'Kao Pan'; cross made in 1945 by H.B. Frost and J.W. Lesley. Tree: vigorous, spreading, only few thorns, fruit borne single or in pairs; leaves large, broad, petioles broad. Named in honor of William Henry Chandler, Professor of Horticulture, Emeritus, Univ. of California, Los Angeles. Fruit: similar to a large grapefruit, 4 1/2 to 6 inches in diam.; globose to oblate, no neck, slightly bilaterally asymmetric; rind light yellow, 10 to 12 mm thick, smooth except for small, raised oil glands, sometimes lightly pubescent, albedo adherent to flesh, oil odor not prominent; core solid, 6 to 10 mm in diam.; 14 to 16 segments, membranes medium thick; pulp pale yellow with variable pink tinge, firm, tender, vesicles medium to large; juice pale yellow, pleasing but weakly aromatic, medium in soluble solids and acid, having moderately high ratio in December-Janauary; picking ripe in December but lasts until March; seeds numerous, 12 to 15 mm long, flattened