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FOC | Family List | FOC Vol. 12 | Malvaceae | Hibiscus

2. Hibiscus tiliaceus Linnaeus, Sp. Pl. 2: 694. 1753.

黄槿 huang jin

Hibiscus boninensis Nakai; H. tiliaceus var. heterophyllus Nakai; H. tiliaceus var. tortuosus (Roxburgh) Masters; H. tortuosus Roxburgh; Pariti boninense (Nakai) Nakai; P. tiliaceum (Linnaeus) A. Jussieu; P. tiliaceum var. heterophyllum (Nakai) Nakai; Talipariti tiliaceum (Linnaeus) Fryxell.

Shrubs evergreen or trees, 4-10 m tall, to 60 cm d.b.h.; bark gray-white. Branchlets glabrous or nearly so, rarely stellate puberulent or stellate. Stipules foliaceous, oblong, ca. 2 × 1.2 cm, stellate pilose, apex rounded, caducous; petiole 3-8 cm; leaf blade nearly orbicular to broadly ovate, 8-15 × 8-15 cm, leathery, green, abaxially densely gray-white stellate puberulent, adaxially very sparsely stellate scaly, glabrescent, basal veins 7 or 9, base cordate, margin entire or obscurely crenate, apex abruptly acuminate. Inflorescence a 1- to few-flowered racemelike cyme, terminal or axillary; peduncle 4-5 cm. Pedicel 1-3 cm, with 1 pair of stipulelike bracteoles at base. Epicalyx lobes 7-10, joined for 1/3-1/2 of length, free lobes 2-2.5 mm, triangular-acuminate with slightly rounded sinuses, densely gray-white stellate puberulent. Calyx 1.5-2.5 cm, connate proximally for 1/4-1/3 of length, lobes 5, lanceolate, stellate puberulent, persistent. Corolla yellow with dark purple center, campanulate, 6-7.5 cm in diam.; petals obovate, 4-4.5 cm, yellow stellate puberulent abaxially. Filament tube ca. 3 cm, glabrous. Style branches 5, slender, with glandular hairs. Capsule subglobose to ovoid, ca. 2 cm, obscurely beaked, densely fascicled-hirsute, valves 5, woody. Seeds reniform, smooth, glabrous. Fl. Jun-Aug.

Sea shores, along streams, sandy soil; near sea level to 300 m. Fujian, Guangdong, Hainan, Taiwan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam; pantropical].

Borssum Waalkes (Blumea 14: 30-38. 1966) recognized a series of six SubSpe. Chinese material belongs to the nominate SubSpe, Hibiscus tiliaceus subsp. tiliaceus.

Fiber from the bast of Hibiscus tiliaceus is used on Hainan to make fishing nets.


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