Two New Species of Machaerium (Leguminosae) from Bahia and Southeastern Brazil

2011·3.1 MB·English

by  Carlos Victor Mendonça Filho

Two New Species of Machaerium (Leguminosae) from Bahia and
Southeastern Brazil
Carlos Victor Mendonga Filho
Programa de Pos-Graduayao em Biologia Vegetal, Institute) de Biologia, Universidade Estadual de
Campinas, CP 6109, 13083-970, Campinas, Sao Paulo, Brazil. Current address: Departamento de
Ciencias Biologicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK,
Rodovia MGT 367, Km 583, n° 5000, Bairro Alto da Jacuba, 39100-000 Diamantina, Minas Gerais,
Brazil, [email protected]
Haroldo Cavalcanti de Lima
Institute de Pesquisas Jardim Botanico do Rio de Janeiro, Rua Pacheco Leao 915, 22460-0.30,
Rio de Janeiro, Brazil, [email protected]
Eli.ana R. Forni-Martins and Ana M. G. A. Tozzi
Departamento de Biologia Vegetal, Institute de Biologia, Universidade Estadual de Campinas,
CP 6109, 1.308.3-970, Campinas, Sao Paulo, Brazil, [email protected]; [email protected]
rium Pers. sect. Oblonga (Benth.) Taub. (Legumino- de Macae de Cima, uma area de Floresta Atlantica no
macaense C. V. Mendonga, A. M. G. Azevedo & H.
Ecologica Macae de Cima, an area of Atlantic forest imersas, bracteolas estreitas, e estandarte menor. Ela
e tambem similar a M. hatschbachii Rudd, da qual
differs by its smooth bark, smaller leaflets, sunken
Rudd, from which it differs by bark characters, the
bracteoles that are shorter than the calyx, and its Minas Gerais, Espfrito Santo e Bahia, ocorrendo nas
Florestas Atlantica e mesofftica, ou na vegetagao
Benth.) Ducke da qual se difere pelos folfolos
thum Spruce ex Benth. uma liana ou arbusto da
Amazonia, com inflorescencias paniculadas. rnais
glabrous leaflets, ovate bracteoles. and glabrous
Resumo. Duas novas especies brasileiras de Ma- 130 species with all but one species (M. lunatum (L.
inacaense C. V. Mendonga, A. M. G. Azevedo & H.
doi: 10.3417/2009029 Novon 21: 73-77. Published on 7 April 2011.
Novon
Volume 21, Number 1 Mendonga Filho et al.
2011 Machaerium (Leguminosae) from Brazil
oblong, 0.5-1.8 X 0.2-0.6 cm, petiolulate or sessile,
M. G. Azevedo,' sp. nov. TYPE: Brazil. Espfrito
2 of rd. Bicmba, 19 Sep. 2001, D. A. Foil 4060
(holotype, CVRD; isotype, MO). Figure 2.
axillary or terminal panicle. 4-11.5 cm; bracts
lanceolate, ca. 3X1 mm; calyx 3-4 X 2-2.5 mm,
fulvous-sericeous; standard ca. 6 X 4 mm, adaxially
white-sericeous; petals lilac, keel petals 6-6.5 X 1.5- Shrubs or small trees to 3 m tall, 5-10 cm DBH.
monadelphous to diadelphous (the vexillary stamen striate, spinose, 4-4.5 X 1.3-1.5 mm; rachis
Fstryuliet sat r1a-igsehet,d e2d. 5s-a3m marma,; 3o.v8a-r6y Xca .1 .22.-51 .3X c0m.5; smemed. 0 6-1.3 X 0.2-0.4 cm. petiolulate or sessile,
chamber 1.3-1.5 X 0.8-1 cm.
State; it grows in the upland Atlantic forest of the
1200 m.
IUCN Red List category. Machaerium macaense to tomentose: petals cream, standard 5-6 X 4-4.5
according to IUCN Red List criteria (IUCN, 2001).
keel petals 5-5.5 X ca. 2 mm; wing petals 5-6 X 1.5-
2 mm: stamens 10. monadelphous. 3-4.5 mm, the
free part of filaments 1.5-2 mm; style straight, 1.5-2
4-4.5 X ca. 1 cm; seed chamber ca. 1.2 X 0.8 cm.
Ecologica de Macae de Cirna.
num is found in southeastern and northeastern Brazil,
tion of Taubert (1891). Machaerium macaense assigns grows in lowland Atlantic and mesophitic forests, or
similar to M. nyctitans (Veil.) Benth., differing from IUCN Red List category. Machaerium jobimia-
this taxon by its smooth bark, smaller leaflets (vs.
insufficient information is available to apply IUCN
narrower bracteoles (vs. 3-5 X 0.5-1.5 mm), and Red List criteria (IUCN, 2001).
smaller standard petal (vs. 6.4-10 X 5-8 mm). The
which it differs in bark characters, the bracteoles that September.
Paratypes. BRAZIL. Rio de Janeiro: Nova Fnburgo,
3830 (F, P, RB, U), H. C. de Lima, F. C. Garcia & G. 1994).
Laurentino 5024 (MO, RB), C. M. B. Correia, S. V. A.
Pessoa, J. Caruso, L. C. Siha & J. C. Siha 99 (CEPEC, NY,
RB), A. M. S. F. Vaz, L. Syhestre, C. M. Vieira & L. C. Silva
718 (NY, RB), C. V Mendonga & E. S. Camara 616 (UEC). multifoliolate leaves, oblong leaflets, and spinescent
Novon