Gonatopus angustus N.E.Br.

Tuber horizontal and cylindric (especially in S. African material), rarely subglobose, 5–20 cm. long, 2–4 cm. in diameter.. Leaf 20–65 cm. tall, glabrous; petiole 10–40 cm. long, dull green; pulvinus basal, cylindric, hidden by cataphylls; blade bi-to quad-ripinnate, 15–30 cm. broad; node of basal pair of pinnae usually bearing subsidiary leaflets or pinnae; ultimate leaflets 1–9 cm. long, 0.1–2(–4.5) cm. broad, linear to broadly elliptic, acuminate, ± narrowed basally, usually sessile or decurrent.. Inflorescences usually solitary, rarely in pairs, appearing just before leaf.. Peduncle 3–13 cm. long, 0.5–0.6 cm. in diameter, terete.. Spathe 4–6.5 cm. long; tube broadly ovoid, constricted apically, 1.1–1.4 cm. long, 1.2–1.3 cm. in diameter, outside light yellowish green with darker green speckling, paler within; limb broadly elliptic, 2.5–5 cm. long, 2.3–3 cm. broad, cuspidate, reflexing at maturity, pale brown with darker veins on outside.. Spadix 3.9–5.3 cm. long; staminate part cylindric to clavate, 2.5–4 cm. long, 0.8 cm. in diameter, white, apex rounded, constricted at base; sterile intermediate part conic, 0.7–0.8 cm. long, 0.4–0.5 cm. in diameter at narrowest point, white; pistillate part shortly subcylindric, 0.7–0.8 cm. long, 1 cm. in diameter.. Staminate flower: tepals usually 4 (rarely 5 or 6).. Pistillate flower: tepals light green; staminodes 0–1, subcylindric; ovary ± laterally compressed, 2-locular; locules uniovulate, placentas at base of septum; stigma discoid, 1–1.5 mm. in diameter, dark green.. Infructescence shortly cylindric.. Berry ovoid, 1–1.8 cm. long, 1.4–1.5 cm. in diameter, 1–2-seeded, orange to yellow.. Seed ovoid-elliptic, 1 cm. long, 0.7 cm. in diameter.