普萊氏月桃

Alpinia pricei Hayata, Icon. Pl. Form. 5: 219. 1915; Moo, Fl. Taiwan 5: 836. 1978; Wu & Chen, Fl. Reipubl. Popul. Sin. 16(2): 103; R. M. Smith, Edinburgh J. Bot. 47(1): 55. 1990; J. J. Yang & J. C. Wang in S. T. Chiu & C. I. Peng, Proc. Cross-Strait Symp. Florist. Diversity Conserv. 191. 1998. Languas pricei (Hayata) Sasaki, Trans. Nat. Hist. Soc. Form. 14: 85. 1924. Alpinia sasakii Hayata, Icon. Pl. Form. 5: 220. 1915. Languas sasakii (Hayata) Sasaki, Trans. Nat. Hist. Soc. Form. 14: 85. 1924. Languas tarokoensis (Hayata) Sasaki, List Pl. Form. 118. 1928. nom. nud.

Plant 0.8-1.2 m. Leaves sessile to shortly petiolate; blade 34-50 × 3.5-9.5 cm, oblong to lanceolate, tip acuminate, base cuneate, membranous, glabrous on both sides except for margin and below midrib; ligule 0.5 cm long, entire or bilobed, subcoriaceous, hairy on outer surface. Inflorescence spicate, erect, flower-bearing part 10-15 cm long, villose; bract minute, margin ciliated. Flowers pedicellate, pedicel 0.2-0.3 cm long; without bracteole; calyx pale green-pink, tubular, 1.3 cm long, shortly 2-lobed and deeply split unilaterally, minutely pubescent on outer surface; corolla white, base pink, tube 1 cm long, lobes oblong, outer surface sparsely pubescent, margin ciliate, dorsal lobe 2.0 × 2.0 cm, laterals 2.0 × 0.9 cm; labellum white to pink, ovate, involute, margin crispate, 3.0-3.6 × 2.7-3.5 cm, with red stripes and spots at the center, apex emarginate; staminodes none or minute; anther 1.0-1.2 cm long; filament band-form, 1.0 cm long; stigma funnel-form, apex sparsely hairy; style slender, ca. 3 cm long; epigynous glands yellow-brown, columnar, united on one side, 0.3 cm long; ovary greenish, villose, 0.4 × 0.3 cm. Fruits capsular, red, globose, 1.0 × 0.9 cm, costate, sparsely pubescent. Seeds 14-27, black-brown, angular; aril white, membranous.

TAIPEI : Kuanyingshan, Yang 1074, 1340, 1896, 2021(TNU), Moo 128 (TAI); Sanhsia, Yang 2020(TNU); Hsioakotou, Huang 10441 (TAI); Shihting, Yang 1890(TNU); Kuanshan, Yang 1612, 1784(TNU); Mentienshan,Yang 896, 989, 1734, 1866, 2008(TNU); Chihsingshan, Yang 837(TNU); Shuanghsi, Yang 1553, 1595(TNU); Shuanglienpei, Yang 678, 696, 705, 920, 932, 907, 1691(TNU). PINGTUNG : Shouka, Yang 1303(TNU); Manchou, Yang 1901(TNU), Kao 16092 (TAI). HUALIEN : Teinhsiang, Yang 808(TNU).

Endemic, widely distributed at low to medium altitudes throughout the island.