Chamaecrista supplex (Mart. ex Benth.) Britton & Rose ex Britton & Killip

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Lorêto Mun.

• Locality

  "Ilha de Balsas" region, between the Balsas & Parnaíba Rivers. About 35 km south of Lorêto. Next to house at "Veados". (About 11 km. W of main house of Faz. Morros.)

• Elevation

  Alt. 250 - 300 m. (820 - 984 ft.)

• Coordinates

  -7.38, -45.12

• Distribution

  Map all specimens of this taxon

Municipio de Loreto: “Ilha de Balsas” region, between the
Rios Balsas and Pamaiba. About 35 km south of LORfiTO.
ca. 7° 23 »s., 45° 7—S'W. Next to house at rtVeados,f« (About
11 km. W of main house of Faz. Morros.) Alt, 250-300 m.
Main vegetation types of region: (1) “chapada”, a semi-dosed: tree woodland (or
“cerrad&o”) on flat tops & steep sides of plateaus, in o*8op litlly laad, and on
some areas of rolling or flat dry land; (2) “tabuleiro”, a semi-closed woodland,
or “cerradao”, of different physiognomy & species composition, on tops of hilly
or gently rolling land; (3) “mata”, a closed tropical forest of many tree species,
usually with palms, in flat stream valleys and in or alongside of brook ravines &
courses; (4) “caatinga”, a semi-open forest of few forest tree species on low
moist flat land and in narrow valleys between “tabuleiro”-covered hills; (5) “var-
jSo”, low moist flat land with scattered forest trees of one or a few species;
(6) “cocal”, thick groves of babagu palm on flat river plain of Bio Pamaiba and
some of its tributary streams./zlfcJlL-wegetation types completely deciduous during
dry season. All brooks intermittent. Annual ground fires and cattle grazing in
all areas. Part of “tabuleiro’* cut over, forming treeless grassy areas; most
“mata” and much “caatinga” & “varj&o” cultivated or abandoned, forming dense
secondary vegetation of low trees & tall shrubs (“capoelra”); some areas of
“chapada” with dense secondary vegetation (“carrasco”). Upland soils grayish,
tan, or light reddish brown silt or silty clay, very stony on slopes; lowland soils
mostly reddish brown to black silt loam, silty clay loam or clay loam, without
stones. Country rock horizontal light brown sandstone, exposed only on tops
of morros and on cliffs along the Bio Pamaiba.
This habitat: open trail cut though shrubby secondary
growth of brook gallery forest. 5 April 1962
n.v. ftMaliga”» Herb forming carpet, lvs. sensitive.
FIs. 6 mm diam. Petals & stamens yellow, Hstil
light green.
leg. George Eiten and Liene T. Eiten, no. 4-003
Distributed by the Instituto de Botànica, S&o Paulo
Chamaecrista supplex (Benth.) Britton & Rose ex
Britton & Killip
00978901
Cassia supplex Mart, ex Benth.
H. S. Irwin & R. C. Bameby	1976
New York Botanical Garden
Rèvision of Cassia sect. Chamaecrista
of the Americas
00978901