22. Sterculia lanceolata Cavanilles, Diss. 5: 287. 1788.
假苹婆 jia ping po
?Helicteres undulata Loureiro; Sterculia balansae Aug. Candolle.
Trees. Branchlets at first pilose. Petiole 2.5-3.5 cm; leaf blade elliptic, lanceolate, or elliptic-lanceolate, 9-20 × 3.5-8 cm, abaxially nearly glabrous, adaxially glabrous, lateral veins 7-9 on each side of midrib, curved upward, connected near margin, base obtuse or nearly rounded, apex acute. Inflorescence paniculate, 4-10 cm, densely many-branched. Calyx reddish, divided almost to base, pubescent abaxially, lobes oblong-lanceolate or oblong-elliptic, 4-6 mm, stellately spreading, margins ciliate, apex obtuse or minutely mucronate. Male flowers: androgynophore 2-3 mm, curved. Anthers ca. 10. Female flowers: ovary globose, hairy. Style curved; stigma minutely 5-lobed. Follicle red when fresh, narrowly ovoid or ellipsoid, 5-7 × 2-2.5 cm, 2-4-seeded, densely puberulent, base attenuate, apex beaked. Seeds black-brown, ellipsoid-ovoid, ca. 1 cm. Fl. Apr-Jun.
Usually near streams. Guangdong, Guangxi, Guizhou, S Sichuan, Yunnan [Laos, Myanmar, Thailand, Vietnam].
This species is the most widely distributed member of the genus in the Flora area. The bark fiber is used for making bags and paper.