1. Artocarpus chama Buchanan-Hamilton, Mem. Wern. Nat. Hist. Soc. 5: 331. 1826.
野树波罗 ye shu bo luo
Artocarpus chaplasha Roxburgh; A. melinoxylus Gagnepain.
Trees to 40 m tall, deciduous. Bark black, gray, or brown, coarse. Branchlets furrowed when dry, 4-8 mm thick, pubescence rust-colored to reddish yellow, hairs long and spreading to bent. Stipules amplexicaul. Leaves spirally arranged; petiole brown, 1.5-4.5 cm, densely pubescent; leaf blade elliptic, oblong, or ovate, 13-37 × 6-21 cm, abaxially densely rust-colored to grayish white pubescent but more densely so along veins, adaxially glabrous or with sparse bent hairs, base broadly cuneate to rounded, margin entire or ± crenate, apex acute to shortly acuminate; secondary veins 9-18 on each side of midvein, apically curved, and joined together near margin, tertiary veins reticulate and with dark brown glandular points. Inflorescences axillary, solitary. Male inflorescences ellipsoid, ovoid, or clavate, 1.2-2.3 × 1-1.8 cm; bracts shield-shaped; pedicel ca. 2 mm, shortly pubescent. Female inflorescences globose to ellipsoid; bracts peltate. Style exserted. Male flowers: calyx lobes 2 or 3, ca. 5 mm, margin ciliate; filaments short; anthers ellipsoid. Fruiting syncarp yellow when young then rust-colored brown, ± globose, 5-6 cm in diam.; peduncle 1.5-4.5 cm, with short brown hairs; persistent calyx separating near top, with several persistent bracts. Drupes ellipsoid, ca. 10 × 6 mm.
Yunnan [Bangladesh, Bhutan, India, Laos, Malaysia, Myanmar, Sikkim, Thailand].