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FOC | Family List | FOC Vol. 24 | Zingiberaceae | Alpinia

36. Alpinia oblongifolia Hayata, Icon. Pl. Formosan. 5: 215. 1915.

华山姜 hua shan jiang

Alpinia suishaensis Hayata; Languas oblongifolia (Hayata) Sasaki; L. suishaensis (Hayata) Sasaki.

Pseudostems ca. 1 m. Ligule 4--10 mm, membranous, margin ciliate; petiole ca. 5 mm; leaf blade oblong, ovate-lanceolate, or lanceolate, 20--30 × 3--10 cm, glabrous, base rounded or attenuate, apex acuminate or caudate-acuminate. Panicles narrow, 15--30 × 2--2.5 cm; branches 3--10 mm, 2--4-flowered; bracteoles 1--3 mm, deciduous. Pedicel to 1 mm. Calyx tubular, 5--7 mm, apex 3-toothed. Corolla tube slightly longer than calyx; lobes oblong, 6--7 mm. Lateral staminodes subulate, 1--2 mm. Labellum white with 2 red stripes from base to middle, ovate, 6--8 mm, apex 2-lobed. Filament ca. 5 mm; anther ca. 3 mm. Ovary glabrous. Capsule red, globose, 5--8 mm in diam. Seeds 5--8. Fl. May--Jul, fr. Jun--Dec. 2 n = 48*.

Forests; 100--2500 m. Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Laos, Vietnam].

The Chinese plants named Alpinia chinensis (Retzius) Roscoe in FRPS are referable to A. oblongifolia. They were treated as A. suishaensis by Smith (Edinburgh J. Bot. 47: 63. 1990), who noted that the correct application of the name A. chinensis is uncertain. Moo (in Li et al., Fl. Taiwan 5: 836. 1978) treated A. suishaensis as a synonym of A. oblongifolia.


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