山月桃

Languas intermedia (Gagn.) Merr., Enum. Philip. Pl. 231. 1922. Alpinia kelungensis Hayata, Icon. Pl. Form. 5: 216. fig. 79C. 1915. Languas kelungensis (Hayata) Sasaki, Trans. Nat. Hist. Soc. Form. 14: 85. 1924. Alpinia oblongifolia Hayata, Icon. Pl. Form. 5: 215. fig. 79d. 1915; Moo, Fl. Taiwan 5: 836. 1978. Languas oblongifolia (Hayata) Sasaki, Trans. Nat. Hist. Soc. Form. 14: 85. 1924. Alpinia suishaensis Hayata, Icon. Pl. Form. 9: 123. 1920; R. M. Smith, Edinburgh J. Bot. 47(1): 63. 1990. Languas suishaensis (Hayata) Sasaki, Trans. Nat. Hist. Soc. Form. 14: 85. 1924.

Plant 1.0-1.5 m, glabrous. Leaves petiolate, petioles 0.5-2.0 cm long; blade 25-40 × 5-12 cm, oblong to lanceolate, acuminate on both ends, membranous, glabrous on both sides; ligule 0.4-1.5 cm long, entire or bilobed, glabrous. Inflorescence a thyrse, erect, glabrous, flower-bearing part 10-30 cm long; rachilla 0.5-1.2 cm long, 3-7-flowered; bract small, deciduous. Flowers pedicellate, pedicels 0.1-0.2 cm long; bracteole white, oblong, 0.8 × 0.4 cm, glabrous, deciduous; calyx white, tubular, 0.5-0.6 cm long, shortly 3-lobed, glabrous; corolla white, tube 0.6-0.7 cm long, lobes oblong, glabrous, dorsal lobe 0.6 × 0.3 cm, laterals 0.5 × 0.15 cm; labellum white, ovate, 1.0-1.2 × 0.8-1.2 cm, with 2 red stripes at center, explanate, margin crispate, apex emarginate or entire; staminodes subulate, red, 0.3 cm long; anther 0.3 cm long; filament 0.5 cm long; stigma expanded, ciliated orifice; style slender, 2 cm long; epigynous glands columnar, cream yellow, 0.15 cm long; ovary glabrous, 0.2 × 0.2 cm, green. Fruits indehiscent, red, globose, 1.0 × 0.9 cm, smooth, glabrous. Seeds 5-10, angular; aril white, membranous.

KEELUNG : Chinzenhu Yang 1799(TNU); Hsinshan, Huang 3788 (TAI),Chiang 1501 (TAI).TAIPEI : Mucha, Yang 888, 1600(TNU); Nankang, Chuang 4638(TAI), Moo 32 (TAI); Yangmingshan, Chuang 4952 (TAI), Chuang 3926 (TAI), Chuang 4638, 4952, s.n. Aug. 16, 1962(HAST), Huang 6605 (TAI), Hsieh s.n. Jun. 6, 1965 (TNU), Leu 5 (HAST), Lioa 276 (HAST), Peng 4556 (HAST), Lin 643 (HAST), Keng & Kao 1242 (TAI), Matsuda 535 (TAI), Moo 73, 74, 75, 1103 (TAI), Shimada s.n. Dec. 13, 1927. (TAI), Sasaki s.n. Sep. 10, 1927, s.n. Oct. 21, 1927, s.n. 23, 1927, s.n. Jun. 16, 1929 (TAI), Wang 3193, 3240 (TAI), Yamamoto s.n. Jun. 19, 1938 (TAI), Yang 596 (TAI); Tatwenshan, Sasaki s.n. Jun. 19, 1928 (TAI); Hsiaokuanyinshan, Wang 2681 (TAI), Yang 1838(TNU); Huangtzoei, Yang 839(TNU); Chishingshan, Huang 32 (TAI), Kao 33 (TAI), Kuo 9847 (TAI), Lian 57 (TAI), Lin 30 (TAI), Moo 102 (TAI), Sasaki s.n. Oct. 1927 (TAI), Shiang 34 (TAI); Hsichih, Chang 974 (TAI), Moo 1102 (TAI); Santiaolin, Yang 1552 (TNU); Pinghsi, Yang 1254, 1281, 1640(TNU); Shihting, Peng 12871 (HAST), Hsu 5418 (TAI) , Lin s.n. May. 27, 1933 (TAI), Wang s.n. May. 27, 1987, Wang 3378, 3405 (TAI), Yang 2084 (TAI); Hsingtien, Huang s.n. Mar. 1966, Yang 671, 1050, 1134, 1240, 1705(TNU) ; Hsiaokotou, Yang 499, 1242, 1656(TNU), Yang 17 (TAI), Huang 210 (TAI); Pinglin, Wang 1189 (HAST), Yang 1661(TNU) ; Pihu, Yang 14 (TAI); Sanhsia, Liao 333 (HAST), Peng 8687 (HAST), Tateishi 16752 (TAI); Tatungshan, Moo 69, 70 (TAI), Yang 964, 1103, 1609, 1776(TNU); Wulai, Chen s.n. Apr. 1966. Hsiungkung, Yang 804, 1473, 1815(TNU); Peitou, Shimada s.n. May 1917 (Type of Alpinia hokutensis, TAI !)TAOYUAN : Lalashan, Matuda 380 (TAI). MIAOLI : Shytoushan, Tzeng s.n. Feb. 15. 1986 (TCF). TAICHUNG : Taichung, Keng, Liu & Kao s.n. Jul. 20, 1955 (TAI). NANTOU : Puli, Hsu 518(TAI); Shuishe, Chang 16450( PPI), Leu 402 (HAST), Ohashi 2160 (TAI), Yang 1221(TNU); Sun-moon-lake, Chang 3881 (TAI), Kuoh 2943 (TAI), Moo 2100 (TAI), Chen s.n. Dec. 26. 1985 (TCF). Yuchih, Yamamoto s.n. Oct. 22, 1929 (TAI). YUNLIN : Taihsi. Deng 512. CHIAYI : Alishan, Moo 178 (TAI). PINGTUNG : Pingtung, Kao 9062 (TAI); Hengchun, Huang 14103 (TAI); Manchou, Huang 8423, 9544 (TAI),Yang 272 (TAI), Kentien, Chan 19116 ( PPI). ILAN : Shuanglianpei, Huang 2347, Yang 951, 1088, 1689. TAITUNG : Taitung, Kao 9522 (TAI); Is. Lanyu, Chang 7809, 14854, 14861, 14863, 16696, 17550, 17590, 20293 ( PPI), Chang 2279 (TAI), Huang 6211 (TAI), Hsu 4840, 4898, 9530 (TAI), Moo 2338 (TAI), Kuoh 4854 (TAI), Sasaki s.n. Jul. 1919(TAI), Wang 6111, Yang 1542(TNU).

S. China, Japan, the Ryukyus and the Philippines. Taiwan, at low altitudes.