Firmiana hainanensis Kosterm.

Trees, up to 16 m tall, 45 cm d.b.h.; bark gray. Branches smooth. Petiole 4-16 cm, yellowish stellate pilose; leaf blade ovate, 7-14 × 5-12 cm, abaxially gray-white, densely stellate pubescent, adaxially glabrous, basal veins 5, lateral veins 4-5 on each side of midrib, base truncate or subcordate, apex obtuse or acute. Inflorescence paniculate, terminal or axillary, to 20 cm, densely yellowish brown stellate pubescent. Calyx yellow-white, ca. 9 mm, divided nearly to base, abaxially densely yellow-brown stellate pubescent, adaxially basally woolly, lobes linear-lanceolate, ca. 1.5 mm wide. Male flower: androgynophore as long as calyx, apex 5-lobed. Anthers 15, in capitate fascicle. Female flower: ovary ovoid, ca. 2.5 mm, longitudinally 5-grooved, densely stellate hairy. Follicle ovoid, ca. 7 × 3 cm, 3-5-seeded, abaxially minutely hairy with simple hairs and stellate pubescence, apex acute or emarginate. Seeds yellow-brown when mature, ellipsoid, ca. 6 mm. Fl. Apr.

● Sandy soils. C and W Hainan.

Firmiana hainanensis is a species of flowering plant in the family Malvaceae. It is found only in China. It is threatened by habitat loss.

Firmiana hainanensis é uma espécie de angiospérmica da família Sterculiaceae.

Apenas pode ser encontrada no seguinte país: China.

Está ameaçada por perda de habitat.

Firmiana hainanensis là một loài thực vật có hoa thuộc họ Sterculiaceae. Loài này chỉ có ở Trung Quốc. Chúng hiện đang bị đe dọa vì mất môi trường sống.

海南梧桐（学名：Firmiana hainanensis）是梧桐科梧桐属的植物，为中国的特有植物。分布于中国大陆的海南等地，常生于沙质土上，目前尚未由人工引种栽培。