Plant epipetric; deciduous; acaulenscent with creeping, rhizomes, monoecious. Rhizomes moniliform, consisting of several ellipsoid to subglobose units each 9-55 mm long, 7-25 mm thick. Stipules persistent triangular, apex acute to acuminate, margins entire, 7-22 mm long, 5-18 mm wide, glabrous.Leaves many, herbaceous, asymmetric, ovate to broadly ovate, shallowly lobed, apex acuminate to cuspidate, base unequally cordate, margins irregularly dentate-serrate, 13-38 cm long, 10-32 cm wide, glabrous, lobes (number), (shape), apex (shape); venation palmate; petioles 7-40 mm long, to 9 across, glabrous.Inflorescences arise from rhizomes; peduncles (inflorescence axis), to 42 cm long, 8 mm across, glabrous, erect. Bracts caducous, (color), narrowly ovate to elliptic, apex acute, margins serrate, 8-12 mm long, 3.5-6.5 mm wide, glabrous. Flowers of both sexes pinkish, glabrous, scented spreading. Staminate flowers: tepals 4, outer two rotund to orbicular, 13-35 mm long, 9-32 mm wide, inner two oblanceolate to narrowly obovate, 10-32 mm long, 6-18 mm wide; androecium actinomorphic; stamens 51-74, yellow, golf-club shaped, filaments free, 0.9-2.7 mm long; anthers narrowly obovate, 1.8-2.3 mm long, 0.8-1.2 mm across. Pistillate flowers: tepals 3 (very rarely 2 or 4, the fourth much reduce when present), unequal, outer 2 opposite, rotund to oblate, 16-32 mm long, 14-37 mm wide, inner one oblanceolate to obovate, 12-23 mm long, 7-23 mm wide; ovary (color) when blooming, glabrous, inferior; styles 2, yellow, free, forked once, 4.2-5.3 mm long; stigmas in a band and spiraled. Fruits capsular, dehiscence, erect / pendent / nodding / recurved toward the substrate, (color), trigonous, unequally 3-winged, abaxial wing narrowly triangular, 27-46 mm long, 9-15 mm wide, lateral wings broadly triangular, 2-4 mm long, 9-14 mm wide; locules 2, axile placentation, placental branches 4 per locule.
KAOHSIUNG: Shanping, Peng 10091, Chen 100 (Holotype, HAST; Isotype, GH, K, MO, NY, TAI, TAIF, US), Chen 522; Shanping Logging Trail, Chen 354 (HAST); Tona Hot Spring, Chen 638 (HAST); Tona Logging Trail, Chen & Peng 375, 381 (HAST); Tachin Waterfall, Chen 619 (HAST); Wangshanchiao, Chen 344 (HAST).
Stolons: absent
Stipules: persistence
Stipules: shape: triangular
Stipules: apex: acuminate, acute
Stipules: margin: entire
Stipules: length (mm): 7-22 mm
Stipules: width (mm): 5-18 mm
Stipules: indumentum: glabrous
Leaves: shape: ovate, broadly ovate, palmately divided
Leaves: apex: acuminate, cuspidate
Leaves: margin: dentate, serrate
Leaves: length (cm): 13-38 cm
Leaves: width (cm): 10-32 cm
Leaves: indumentum: glabrous
Venation: palmate
Veins: number: 6-8
Petioles: length (cm): 7-40 cm
Petioles: diameter (mm): 9 mm
Bracts: caducous
Bracts: shape: elliptic
Bracts: apex: acute
Bracts: margin: serrate
Bracts: length (mm): 8-12 mm
Bracts: width (mm): 3.5-6.5 mm
Bracts: indumentum: glabrous
Peduncles:: erect
Peduncles: length (cm): cm
Peduncles: diameter (mm): 8 mm
Male flower petals: number: four
Outer 2 tepals of male flowers: shape: rotund, orbicular
Outer 2 tepals of male flowers: length (mm): 13-35 mm
Outer 2 tepals of male flowers: width (mm): 9-32 mm
Inner 2 tepals of male flowers: shape: oblanceolate, narrowly obovate
Inner 2 tepals of male flowers: length (mm): 10-32 mm
Inner 2 tepals of male flowers: width (mm): 6-18 mm
Stamens: number: 51-74
Stamens: shape: golf-club shaped
Anthers: shape: narrowly obovoid
Anthers: length (mm): 10-32 mm
Anthers: diameter (mm): 6-18 mm
Filaments: length (mm): 0.9-2.7 mm
Female flower tepals: number: three
Female flower tepals: equality of size: unequal
The largest tepals of female flowers: shape:: orbicular
The largest tepals of female flowers: length (mm): 16-32 mm
The largest tepals of female flowers: width (mm): 14-37 mm
The smallest tepals of female flowers: shape: oblanceolate, obovate
The smallest tepals of female flowers: length (mm): 12 mm
The smallest tepals of female flowers: width (mm): 7 mm
Styles: number: two
Styles: length (mm): 4.2-5.3 mm
Locules number: two
Fruits: typ: capsule
Fruits: wings: 3-winged
Abaxil wing of fruits: shape: narrowly triangular
Abaxil wing of fruits: length (mm): 27-46 mm
Abaxil wing of fruits: width (mm): 9-15 mm
Lateral wings of fruits: length (mm): 2-4 mm
Lateral wings of fruits: width (mm): 9-14 mm
Seeds: shape: ellipsoid
Seeds: length (mm): 0.39-0.43 mm
Seeds: diameter (mm): 0.19-0.25 mm
Seed apex: shape: rotund
Seed micropylar end: constricted
Chrosome numer 2n=: 38
Elevation (m): 200-800 m
Distribution: Kaohsiung, Pingtung
Plant: growth form: epipetric
Phenology: deciduous
Stems: habit: rhizomatous
