B. arunachalensis

Culture

Endangered Status

Least Concern

Original Botanical Description or Link to

Plant monoecious, tuberous, perennial, 3–20 cm tall. Stem 4–17 cm long, 2–5 mm thick, internodes 0.7–9 cm long. Stipules translucent, green, ovate, 1.8–2.0 × c. 1 mm, pubescent, margin entire, apex cuspidate. Petiole whitish green, terete, 0.5–10.5 cm long, 1–3 mm thick, pubescent, hairs white. Blade green, broadly ovate to orbicular, 4–11 × 3.5–10 cm, asymmetric, densely hairy on both surfaces; venation palmate, 7–9 veined; slightly cordate at base, lobes not overlapping, margin irregularly dentate, apex acuminate. Inorescence axillary, 2.5–15 cm long, 1–3 branched, peduncles reddish green, densely pubescent, 1–3 mm in diam.; bracts ovate, 1.8–2 × 0.8–1 mm, pubescent on both sides, margin entire. Flowers 2–10 per inorescence. Staminate ower: pedicel light green to reddish green, pubescent, owers 1–3 cm in diam.; tepals 4; outer 2 larger, ovate, 8–11 mm long, pubescent outside, glabrous inside, whitish pink; inner 2 smaller, obovate, 4–7 mm long, glabrous, white; androecium 3–5 mm long, 1–2 mm wide, stamens 25+, laments 1–2 mm long, anthers yellow, ovate, 0.8–1 mm, apex rounded. Pistillate ower: pedicel pink, pubescent, 2–4.5 cm long; owers 0.8–1 cm in diam.; tepals (3–)4, pinkish white, pubescent outside, glabrous inside; outer 2 broadly ovate to round, 4–6 mm long; inner tepals broadly obovate, 2.5–5 mm long; styles fused, 1–3 mm long; stigma 3–4, yellow; ovary 4–5 mm long, pinkish green, densely pubescent, 2–5 winged. Capsule 0.7–1.1 cm long, pendent, lateral wings up to 3 cm; locules 3–4