蘭嶼法氏薑

Erect, tufted herb, ca. 2 m tall, drooping toward top of pseudostem. Leaves sessile, glabrous, coriaceous, oblong, longest blade 50-55 × 11-13 cm, apex sharply long-caudate with a flagellate tip twisting and 5-8 cm long, base attenuate, ligules auriculate, reddish brown, glabrous, coriaceous, entire, rounded, 5 mm long, about three uppermost sheaths inflated, when spread up to 3 cm wide with a little vestige of leaf. Inflorescences racemose, sometimes pendulous, flower-bearing part 7-25 cm long; bracts spathaceous, translucent-white with a brownish tip, 27 × 12 mm when dissected; bracteoles absent. Flowers white, persistent and turning brown after anthesis; pedicels ca. 9 mm long; calyx 3-dentate, 12 × 11 mm when dissected; corolla tube 7 mm long; lobes oblong, 22 × 6 mm, slightly cucullate at the apex; labellum connate to lateral corolla lobes as high as middle of labellum, free part split into two subulate lobe, 12 × 2.5 mm, of which apex slightly bifid; filament 20 mm long, grooved, enclosing style up to half length of filament, spirally coiled after anthesis; anther 6 × 2.5 mm; staminodes linear, 10mm long; nectaries absent; ovary 5 mm long, 3 mm in diameter. Fruits subglobose, 15 × 12 mm, glabrous, with faintly longitudinal costae, dehiscing into three divisions. Seeds black, form irregular, ca. 2 mm.

TAITUNG: Lanyu Is.: Yeyou Vill.-Mt. Hontou, 350m alt., 30 Sept. 1998, Funakoshi & T.-T. Chen 1936 (holotype, TI; isotype, AAU, K, TAIF, US); Kotosho (=Lanyu Is.), 19 July 1912, S. Sasaki s.n. (TAI); same loc., 20 Sept. 1933, S. Sasaki, s.n. (TAI); same loc., C.-T. Moo 2339(TAI); same loc., Huang 6200(TAI); same loc., Huang & Kao 5205, 6268 (TAI); Wangnanchiau – Tengchi, alt. 20–350m, Tateishi et al. 15306; Kao 4851(TAI).

Endemic to Lanyu Is.