Description from Flora of China
Tilia nanchuanensis Hung T. Chang.
Trees to 10 m tall. Branchlets and terminal bud glabrous. Petiole 2-3 cm, glabrous; leaf blade obliquely ovate, 9.5-13.5 × 5-7.5 cm, papery, abaxially sparsely stellate puberulent, adaxially glabrous, lateral veins 6 pairs, base cordate or truncate, margin deeply serrate, teeth extended into awns, apex acute. Bracts narrowly oblong, shorter than infructescence stalk, 6.5-8 × 1-1.2 cm, adnate to peduncle for 1/2 of length, base narrowed, apex obtuse; stalk short. Flowers unknown. Infructescence stalk and stipe terete, slender, glabrous. Fruit globose, obscurely ridged, ca. 8 mm in diam., densely appressed hairy, verruculose, apex acute; exocarp woody, hard, indehiscent. Fr. Aug-Sep.
● Chongqing, N Guizhou, ?Yunnan.