Description

Key Characters:

Growth Form: Vines, terrestrial or hemiepiphytic, monopodial.

Stems: Stems occasionally branched, leafy, thick, 5–10 mm diam., smooth

Roots: Roots usually 1 per node, aerial portions 2–3 mm diam.

Leaves: Leaves simple. Alternate. Leaves persistent; blade flat, oblong-elliptic to ovate, longer than internodes, 15–25 × 5–8 cm. Apex acute to acuminate. Blades fleshy-leathery. Margins entire. Stipules absent.

Flowers: Inflorescences axillary, 15-flowered racemes, short-pedunculate, to 5 cm excluding peduncle; floral bracts broadly triangular-ovate, 7–10 × 7–10 cm, leathery. Flowers bisexual. Calyx of 3 sepals; sepals oblanceolate, 3.5–5.5 × 1.1–1.3 cm, margins straight, apex acute to obtuse, rect-spreading, yellow-green, fleshy, rigid. Corolla of 3 petals; petals erect-spreading, yellow-green, fleshy, rigid; elliptic-oblanceolate, abaxially keeled, thinner than sepals, 3.5–5.5 × 1.1–1.3 cm, apex acute to obtuse; lip adnate to column for 1.5–2 cm, yellow-green, becoming dark yellow toward apex, lamina gulletlike, cuneate, rhomboid, 4–5 × ± 3 cm, with apical retuse lobule

Fruit: Berries cylindric; elongate; leathery; indehiscent; 15–25 × 0.8–1 cm. Seeds small; seed coat hard.

Ploidy:

Habitat:

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