Bactris cubensis Burret, Kongl. Svenska Vetensk. Acad. Handl. , III, 6(7): 25 (1929)

Primary tabs

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Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)

Habitat

Discussion

Description

  • Stems cespitose, 2-6 m tall, 6-10 cm diam., spiny on internodes.
    Leaves 4-10; leaf spines scattered, black, terete, to 6 cm long, in 3 longitudinal rows on petiole or, dense on sheath, petiole and abaxial surface of rachis; sheath 25-50 cm long; ocrea not seen; petiole 30-50 cm long; rachis 1-2 m long; pinnae 50-80 per side, irregularly arranged in clusters, spreading in different planes, linear, spinulose along the margins; middle pinnae 60-74 x 2.5-3.1 cm.
    Inflorescences interfoliar; peduncle to 25 cm long, strongly recurved, spiny; prophyll to 12 cm long; peduncular bract 26-43 cm long, densely covered with black spines to 3 cm long; rachis to 5 cm long; rachillae 26-39, 6-13 cm long, at anthesis densely covered with whitish or brownish, moniliform trichomes; triads irregularly arranged among paired or solitary staminate flowers; staminate flowers 3.5-4 mm long; sepal lobes 1.5-2 mm long; petals 3.5-4 mm long; stamens 6; pistillode absent; pistillate flowers 3-3.5 mm long; calyx annular, 0.5 mm long; corolla tubular, 2.53 mm long; staminodes 6, minute, digitate, or absent; fruits 1-1.5 cm diam.; globose to ovoid, rostrate, mesocarp thin, mealy, or oily; endocarp subglobose, the sterile pores slightly displaced longitudinally; endocarp fibers absent; fruiting perianth with entire margined calyx and longer, entire margined corolla, without staminodial ring. (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)A