Bactris hatschbachii
Bactris (BAHK-triss) hatschbachii (hahtch-bahk'-ee) | |||||||
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Brazil. Photo by Gilio Giacomozzi. | |||||||
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Contents
Habitat and Distribution
Brazil (Paraná, São Paulo); lowland rain forest at low elevations.Description
Stems cespitose and forming large clumps, 2.5-5 m tall, 2.5- 5 cm in diam., spiny on internodes. Leaves number in crown unknown; leaf spines somewhat clustered, black, terete, to 4 cm long, on lateral surfaces of sheath and petiole, fewer on abaxial surface of rachis; sheath to 40 cm long; oerea not seen; petiole to 16 cm long; rachis to 1.6 m long; pinnae numerous, irregularly arranged, spreading in more or less the same plane, linear, spinulose along the margins, whitish tomentose and setose abaxially; middle pinnae to 50 x 2 cm. Inflorescences interfoliar; peduncle to 20 cm long, recurved, sparsely spiny; prophyll 15- 17 cm long; peduncular bract 25-30 cm long, densely covered with appressed, black spines to 1 cm long; rachis 2 cm long; rachillae about 14, to 8 cm long; Triads irregularly arranged among paired or solitary staminate flowers; staminate flowers not seen; pistillate flowers to 6 mm long; calyx copular, 3 mm long; corolla tubular, 6 mm long, spinulose; staminodes 6, linear, or absent; fruits about 2 cm in diam., depressed-globose, purple-black, densely covered with 1.5 mm long, curved. Bulbous based spines, these whitish at the base and black at the tip; mesocarp not seen; endocarp depressed-globose,the sterile pores slightly displaced longitudinally; fruiting perianth with minute calyx and spinulose, lobed corolla, without staminodial ring. (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)/Palmweb. Editing by edric.
Bactris hatschbachii is diagnosed by the bulbousbased spines of its fruits, resembling those on the peduncular bracts of Desmoncus. This species is named for Gert Hatschbach, who collected several of the specimens examined. (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)/Palmweb.
Culture
Comments and Curiosities
External Links
References
Phonetic spelling of Latin names by edric.
Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.
Special thanks to Palmweb.org, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.
Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).
Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000
Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.