Aglaonema ovatum Engl.

Small, erect to decumbent, evergreen herb, to 50 cm but usually much less. Stem erect to 50 cm, then decumbent and sprawling, 0.5–1.5 cm thick, decumbent stems often producing greatly thickened roots. Leaves few together; petioles (5–)8–14(–18) cm long; petiolar sheath membranous, 0.3–0.7 times as long as the petiole; leaf blade ovate to lanceolate, rarely elliptic, 10–26 × 3–10.5 cm, base rounded to obtuse, rarely subcordate; apex acuminate, apiculate, blade usually plain deep green, rarely variegated with yellow-green or pale green scattered blotches; primary lateral veins 5–10; interprimary veins barely or only weakly differentiated. Inflorescences 1–2 together; peduncle 3.5–10 cm long, usually about 1/2 as long as the subtending petiole; spathe ovate, 3.5–4.7 cm long, decurrent for 0.4–1.5 cm, white, spreading at anthesis; spadix cylindrical, sessile, 3.0–4.3 cm long, usually exceeding spathe but sometimes 0.5 cm short of spathe apex; pistillate flower zone 0.4–1.6 cm, with ca 10–20 flowers; staminate flower zone 2.8–3.5 × 0.6–1.0 cm, white with lower 0.5 cm sterile and dark cream; fruits ellipsoid, 1.1–2.0 × 0.7–1.0 cm, green, ripening through yellow to red.