Bactris acanthocarpoides Barb.Rodr.
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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.
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Family
Arecaceae
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Scientific Name
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Description
Species Description - Medium-sized, multi-stemmed plants of understory, 2-6 m X 3-5 cm, with 1-10 trunks, the internodes 2-9 cm long, armed with 2-5 cm long black spines. Leaves 6-15, erect and arching; sheath 30-75 cm long, dark red adaxially, green abaxially, densely armed with black spines 1-4 cm long; petiole 15-120 cm long, green, terete, slightly canaliculate above, with black spines to 10 cm long; rachis 1.2-2.5 m long, basally armed with black spines; blade ragged, pinnate, with 25-40 pinnae per side; pinnae straight, narrow, linearlanceolate, 50-80 X 2-3 cm, oriented in several planes and borne in groups of 2-8 except on most distal part of rachis; segments of apical pair much wider (4-8 cm). Inflorescences 1 or 2, interfoliar, more or less horizontally oriented; peduncle recurved, 12-25 cm long; prophyll flattened, spinulose at apex, 12-30 X 4-7 cm; peduncular bract 20-45 cm long, straight or slightly recurved, densely covered with brownish to black spines to 1 cm long; rachis 3-5 cm long, bearing many rachillae 8-15 cm long. Fruits globose, setose, 8-15 mm diam., bright red at maturity, densely aggregated, numerous (to 200 per infructescence).
Distribution and Ecology - Fl (Nov, Dec), fr (Feb- Aug); mostly on well-drained slopes, infrequent in vicinity of Saul (seen only once near Eaux Claires). Zagrinette, ti-wara