生活型

herb

形態特徵

• Plants 2.0-3.0 m.
• Petiole 0-1.0 cm long. Blade 30-60 by 8-20 cm, oblong to oblong-lanceolate, apex acuminate to obtuse, base cuneate, glabrous on both surface except margin villose; ligule 1 cm long, entire or bilobed, thick coriaceous, outer surface hairy.
• Inflorescence a terminal thyrse, pedunculate, glabrous (except lower nodes glabrescent), 15-30 cm long, ascending to erect, lower branches 1.0-2.0 cm long, with 1-3 flowers, upper ones with 1 flower; bract 1-2, deciduous. Flowers pedicellate; bracteole white 1.0-1.5 cm long, glabrous, deciduous; calyx tubular, green-white, glabrous, 1.5 cm long, shortly 3-lobed, deeply split unilaterally, corolla green-white, glabrous, sympetalous, into 3 lobes, dorsal lobe, oblong, 4 by 2 cm, lateral lobe 2, base connected, oblong, 3 by 1.2 cm; labellum chrome yellow with red stripes, convolute, 3.5 by 2.5 cm; staminodes obtuse; stamen 1; anther, 1 cm long; filament 1.5 cm long; stigma funnel shaped, apex densely hairy; style slender, 3 cm long, glabrous; epigynous glands 2, beside the base of style, brown, 0.2 cm long; ovary green, pubescent.
• Fruit capsular, red in mature, glabrous, ellipsoid. Seed 15-30, angled; aril white, membrance.

引證標本

Pengtung County, Mantsuo Township, en route from Funtsuesa to Longkun, elev. ca. 5 m, on sunny grassland, 26 Jun. 2001, Yen-Hsueh Tseng 2667 (TCF); same loc., 6 Dec. 2009, Yen-Hsueh Tseng 4548 (TCF); Mudan Township, Hsihai, elev. ca. 100 m, on sunny grassland, 27 Feb. 2005, Yen-Hsueh Tseng 3939 (TCF).

參考文獻

• Yen-Hsueh Tseng, Ching-Yu Liou, Shin-Ming Ku and Chih-Chiang Wang, Taiwania 55(1): 67-71. 2010.