Description from Flora of China
Pancovia tomentosa (Kurz) Kurz.
?Trees. Branches terete, grooved, pale yellow pubescent, with scattered, glaucous lenticels. Leaves with petiole ca. 45 cm, axis pale yellow tomentose; leaflets 3 or 4 pairs, opposite or alternate; petiolules 8-10 mm, stout, tomentose; blades obliquely ovate-oblong, 10-16 × 5-6.5 cm, papery, abaxially densely shortly tomentose, adaxially hairy only on veins, lateral veins ascending, slightly prominent on both surfaces, reticulate veins visible, base rounded or sometimes those at lower part of axis subcordate, apex acuminate or acute, sometimes slightly obtuse. Inflorescences ca. 20 cm or longer, shortly tomentose. Flowers zygomorphic; buds globose. Sepals 5, oblong-lanceolate, abaxially pilose, apex acute. Petals 4, narrowly cuneate, with 2-lobed, densely villous scales at base adaxially. Disk semilunar. Filaments villous. Fertile schizocarps subglobose, slightly flat abaxially, ca. 2.5 cm wide, ca. 1.8 cm thick.
S and W Yunnan [Myanmar].