Bactris bahiensis Noblick ex A.J.Hend., Fl. Neotrop. Monogr. 79: 32 (2000)

Primary tabs

no image available

Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Brazil Northeastpresent (World Checklist of Arecaceae)B
Brazil Southeastpresent (World Checklist of Arecaceae)B
Brazil (southern Bahia, Espfrito Santo, Rio de Janeiro); lowland rain forest on non-flooded soils, 50-350 m elevation. (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)A

Discussion

  • Bactris bahiensis is diagnosed by its erect inflorescence with 1 rachilla, spinulose pistillate corolla, and purple-black fruits. (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)A

Common Name

  • Brazil: brejaubinha, ouricana, piririma.
    It is named after the state of Bahia, Brazil (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)A

Description

  • Stems usually cespitose, 1-2 m tall, 0.5-1 cm diam., not spiny.
    Leaves 6-12; leaf spines few or absent, black, to 1 cm long, on sheath and proximal, lateral surfaces of petiole; sheath 10-21 cm long; ocrea to 6 cm long, membranous; petiole 7-33 cm long; rachis 15-28 cm long; pinnae 2-7 per side, regularly or irregularly arranged in clusters, spreading in the same plane, sigmoid; middle pinnae 17-37 x 2.5-4 cm.
    Inflorescences interfoliar, erect; peduncle 3-7 cm long, straight, not spiny; prophyll 4-6 cm long; peduncular bract 6-19 cm long, brown-tomentose, not spiny; rachillae 1,3.5-5.5 cm long, at anthesis densely white-tomentose; triads regularly arranged; staminate flowers 4-6 mm long; sepal lobes 2.5-3 mm long; petals 4-6 mm long; stamens 6; pistillode absent; pistillate flowers 3-4 mm long; calyx annular, to 1 mm long; corolla tubular, 3-4 mm long, spinulose; staminodes 6; fruits 1-1.5 cm diam., depressed-globose, prominently rostrate, purple-black; mesocarp juicy; endocarp obovoid, the sterile pores displaced longitudinally; endocarp fibers numerous, wiry, with juice sacs attached; fruiting perianth with small, membranous calyx much shorter than the spinulose, entiremargined corolla. (Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000)A

Bibliography

A. Henderson, A.J., Bactris (Palmae) in Flora Neotropica Monographs 79. 2000
B. World Checklist of Arecaceae