Zamioculcas zamiifolia (Lodd.) Engl.

Tuber subcylindric, ± 3-4 cm. in diameter or more, tough, woody. LEAVES: Petiole green with darker transverse blotches, 15-35 cm. long, 1-2 cm. in diameter near base; blade 20-40 cm. long; leaflets 4-8 per side, subopposite, distant, oblong-ovate to -elliptic to -obovate, sometimes oblanceolate, fleshy, dark glossy green, 5-15 cm. long, 1.5-5 cm. broad, shortly acuminate, sessile or shortly petiolulate, articulated to rhachis, cuneate to rounded basally; rhachis terete, marked like petiole. INFLORESCENCE: Peduncle 3-20 cm. long, 0.4-1 cm. in diameter, erect at first recurving strongly in fruit, pushing infructescence into ground-litter. Spathe 5-8 cm. long, coriaceous; tube shortly cylindric to ellipsoid, 1-1.5 cm. long, 1-2 cm. in diameter, green on outer surface; limb broadly oblong-ovate, 5-6 cm. long, 3.5-5.5 cm. broad, rounded and cuspidate at tip, pale green to whitish or yellow. Spadix 5-7 cm. long; staminate part cylindric to clavate, 4-5 cm. long, 1-1.5 cm. in diameter, narrowed at base; pistillate part shortly cylindric-ellipsoid, 1-2 cm. long, 0.7-1.7 cm. in diameter. Tepals white; stigmas yellowish. INFRUCTESCENCE: Berry white, surrounded by persistent tepals, with septal suture, up to 1.2 cm. broad, 1-2-seeded. Seeds brown, ellipsoid, ± 0.8 cm. long, 0.5 cm. broad.