Butia archeri (Glassman) Glassman, Principes 23: 70 (1979)

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Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Brazil Southeastpresent (World Checklist of Arecaceae)B
Brazil West-Centralpresent (World Checklist of Arecaceae)B
Native to Brazil in the states of Minas Gerais, Sao Paulo, and Goias, in grassland pastures and cerrados. (S.F. Glassman, Re-evaluation of the Genus Butia With a Description of a New Species. 1979)A

Discussion

Description

  • Acaulescent or sometimes with a short trunk up to almost I m high; sheathing leaf base 13-15 cm long; petiole 8-9 cm long and I cm wide, margins not spiny, merely fibrous; rachis of leaf 66-72 cm long; pinnae 28-44 on each side, regularly arranged, middle ones 36-40 cm long, 0.8-1.3 cm wide, mostly with acuminate, asymmetrical tips; expanded part of spathe 30-39 cm long, 3 cm wide, smooth or striate, glaucous, peduncular part 30 cm long; branched part of spadix 20-30 cm long, rachillae 15-31, each 10-19 cm long, peduncular part of spadix 36 cm long; pistillate flowers rounded or ovoid, 4-7 mm long, 4-6 mm in diam., sepals and petals with obtuse tips; staminate flowers 5-7 mm long on lower part of rachilla, 3-5 mm long on upper part; mature fruit 1.82.0 cm long, 1.0-1.4 cm in diam., short. beaked, persistent perianth 8-10 mm high, endocarp woody, 1-1.5 mm thick, locules 1-2; seed (when single) irregularly globose, 7-9 mm long and 7-9 mm in diam., or when two are present flattened laterally, 10 mm long, 6 mm in diam. (S.F. Glassman, Re-evaluation of the Genus Butia With a Description of a New Species. 1979)A

Materials Examined

  • BRAZIL. MINAS GERAIS, near Lavras, Archer 4048 (A, holotype; BH, MO, NY, US, isotypes); 16 km N. of Lavras, campo natural, Glassman & Gomes 8018, 8019, 8020, 8021, 8022, 8023, 8024 (CHI); 10 km N. of Diamantina, associated with Allagoptera, in campo rupestre, common, about 50 plants seen, Glassman 13001 (CHI). SAO PAULO, Casa Branca, O. Handro 313 (SP). GOAlS, Serro do CaiapĆ³, 35 km S. of Caiaponia, H. S. Irwin & T. R. Soderstrom 7750 (BH, NY, US); 9.5 km S.E. of center of Brasilia, D. F., in tree and scrub woodland cerrado, G. Eiten 13062 (CHI). (S.F. Glassman, Re-evaluation of the Genus Butia With a Description of a New Species. 1979)A