Monographs Details: Oenocarpus bataua subsp. oligocarpa (Mart., Griseb. & H.Wendl.) Burret & Balick
Authority: Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Description:Species Description - Tall, single-stemmed, canopy plants, with smooth, columnar
trunk, the trunk often dark purplish brown at apex,
to 20 m X 15-30 cm, the internodes 10-65 cm long. Leaves
8-16, erect or obliquely oriented, usually arching; sheath
0.6-1.4 m long, purplish-brown adaxially, green abaxially,
very fibrous at margins, with ligule 20-35 cm long; petiole
20-100 cm long, green, canaliculate above, rounded below;
rachis 3-8 m long, bearing 65-108 pinnae inserted in single
plane at regular intervals on each side; pinnae 15-200 x 2-
14 cm, arching, linear-lanceolate, the widest ones in middle
of blade, the blade whitish-waxy abaxially. Inflorescences
1-3 per plant; peduncle obliquely erect, green, 5-12 cm
long, ±10 cm diam.; prophyll 60-80 cm long, green; peduncular
bract 1-2.3 m long, green, smooth, tubular, acuminate;
rachis conical, dark green, 20-40 cm long, bearing
many (usually >200), pendulous rachillae, these 0.7-1.2 m
long, bearing pistillate flowers on lower fourth (or less).
Fruits ellipsoid, smooth, glabrous, 1.5-2.7 X 2.5-4 cm, dark
purple-black at maturity. Seeds with ruminate endosperm.
Distribution and Ecology - Fl (Jun-Jan), fr (Sep-May); fairly common, mostly on
sandy-clay soils on hillsides and in valleys; found only east
of Saul at Carbet Mais and Pic Matecho; the fruit is used
to make a drink. Patawa.