Description from Flora of China
Pariti macrophyllum (Roxburgh ex Hornemann) G. Don; Talipariti macrophyllum (Roxburgh ex Hornemann) Fryxell.
Trees 6-9 m tall, to 30 cm d.b.h.; trunk erect, bark gray-white. Branchlets, bud, leaves, petioles, stipules, epicalyx lobes, and inflorescences densely hairy, hairs usually 6-8-fascicled, brown, silklike, ca. 8 mm. Bud terminal, 7-9 cm. Stipules foliaceous, oblong, large, caducous; petiole 15-30 cm; leaf blade nearly orbicular-cordate, not lobed, 20-36 cm in diam., both surfaces densely stellate velutinous, basal veins 7-9, prominently raised abaxially, lateral veins and veinlets prominent, prominently raised abaxially, slightly impressed adaxially, base cordate, margin entire or serrate, apex acuminate. Inflorescences terminal, multi-flowered cymes, to 30 cm. Pedicel 2.5-3 cm, bracts spatulate and connate at base, large, caducous. Epicalyx lobes 10-12, filiform, ca. 2.5 cm, nearly as long as sepals, connate at base. Calyx campanulate, lobes 5, lanceolate. Corolla yellow with purple center, ca. 6 cm in diam.; petals villous abaxially. Staminal column ca. 3 cm. Ovary hairy; style branches 5, hairy; stigma capitate. Capsule oblong, 2.5-3 cm, densely scabrous hirsute. Fl. Mar-May, fr. Jul.
Evergreen broad-leaved forests, near villages; 400-1000 m. S Yunnan (Xishuangbanna) [Cambodia, India, Indonesia, Malaysia, Myanmar, Pakistan, Thailand, Vietnam].