PRINCIPES
I70
variations in morphology and maintenance
of typological species concepts led to
inflated taxonomies and further obscured
taxonomic relationships.
In light of the above arguments, I make
the following new combination and unite
in synonymy the two species of Acanthococos described after the type species, l.
hassleri.
Rodrigues)
Acrocomia hassleri (Barbosa
Hahn,comb. nov.
Acanthococos hassleri Barbosa
Rodrigues, Palmae Hasslerianae
Novae2. 1900. Syntypes:Paraguay,
Ape-hu Hassler 4957, 5224 (presumably destroyed).Neotype: Paraguay, Yhu (Holotype:G).
Acanthococos sericea Burret, Notizblatt 15: 109. 1940. Type: Brasil,
Mato Crosso.Archer & Gehrt 36432.
(Holotype:SP; isotype: US).
Acanthococos emensisToledo, Arquivos de Botanica do Estado de Sao
PauloN
, o v aS e r i e3 : 4 , t . I - 2 . 1 9 5 2 .
Type: Brasil, Sao Paulo. M. Rachid
52, 941. (Holotype:SP).
Acanthococosem,ensisvar. pubifolia
Toledo,Lc. 3: 5. I952. Type: Brasil,
MinasGerais.L. Labouriau 53.727.
(Holotype:SP).
The speciesis distributed sporadically
throughout the Planalto of Central Brazil
from the Sierra de Amambay in northeasternParaguayto westernBahia and is
locally common in cerrado vegetation.
(Medeiros-Costa
and Panizza I 983).
LlrnRerunn CIrnl
ANDERSoN,
A. B. eNn M. J. BALICK. l9BB. Taxonomy of the Babassucomplex (Orbignya spp.:
Palmae).SystematicBotany I3(I): 32-50.
Acroconia Preliminary
BAILEY, L. H. f94I.
Paper. GentesHerb. 4(I2): 421-476.
BALICK,M. l. 1979. Amazonianoil palmsof promise: a survey. Econ. Bot. 33(l): 1l 28.
[VoL.35
C. U. B. PINHEIR0e.no A. B. ANoeRSon.
I987a. Hybridization in the Babassupalm com'
plex: I. Orbignya phalerata x O. eichleri.
Amer. J. Bot.74(7): I013-1032.
eNo J. T. un M.torrA. B. ANDERSoN.
nos-Coste. 1987b. Hybridization in the
Babassu palm complex: Attalea compta x
Orbignya oleifera (Palmae).Brittonia 39(1): 2636.
BaReose RoDRIcUES,J. 1900. Palmae Hasslerianae Novae uo Relacao das Palmeiras encontradas no Paraguay pelo Dr. Emilio Hassler de
I898-1899. pp. t I3. Rio de Janeiro.
1903. Sertum Palmarum Brasiliensium,
ou Relation des Palmiers Noveaux de Bresil,
Decouverts, Decrits et Dessinesd'apres Nature.
. euve
1 : l - 1 4 0 . 9 1 p l a t e s2; : I - 1 1 4 , 8 3 p l a t e sV
Monnom. Bruxelles.
BARNEBY,R. 1984. A new Bolivian Mimosa of
seclion Habbasia series Leptostachyae (Legtminosae:Mimosoideae),close kin of the fictitous
genrs Schrankiaslrum Hassler. Brittonia 36:
248-251.
BunRnr, M. 1940. Eine neueArt der bishermono.
typischen Gattrrg Acanthococos B. R. in Mattogrosso gefunden. Notizblatt Bot. Card. Berlin
15:109.
Derr.t Tonnr. C. G.. Dn AND H. HARMS. 1907.
Genera Siphonogamarum,Suppl. p. 592.
DRANSFIELD,
J. eno N. W. UHL. 1986. An outline
of a classificationof palms. Principes 30(l) 3
1I.
EIrtN, G. 1963. Habitat flora of FazendoCampininha, Simposio sobre o cerrado. p. 216 Edi
toria de Universidade de Sao Paulo.
1972. The cerrado vegetation of Brazil.
B o t .R e v . 3 8 : 2 0 1 - 3 4 1 .
Gr-,tsslreN,S. F. 1982. A revisionof B. E. Dahlgren's Index to American Palms. Phanerogamarum monographiae.J. Cramer. Lehre.
He.Hu,W. J. 1990. A Revisionof the Palmae of
Paraguay. M.Sc. Thesis, Cornell University, Ithaca, New York.
in prep. Palmae. In: R. Spichiger and J.
M. Mascherpa(eds.),Flora del Paraguay'Geneve'
LEM6E,A. I929. Dictionairedescriptifet synonymique des genres de plantes phanerogames, I:
I5.
f94I. ibid. 8a: 86. (in analyticalkey)
L r E n q s , E . 1 9 8 5 . A c r o c o m i a .u m g e n e r o c o m
grandepotencial.Noticiario 1: 3-5. EMBRAPA,U
CENARGEN, Brasilia.
MEDETRos-Cosre,
J. T. or eNo S. P,tNIzze. 1983.
Palms of the Cerrado formation of Sao Paulo
State, Brazil. Principes27(3): I18-I25.
Moonr, H. E., Jn. 1973. The major groups of
palms and their distribution.Gent. Herb. 11(2):
2 7- r 4 t .