Mimosa ursina Mart.

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Loreto Mun.

• Locality

  Ilha de Balsas region, between the Rios Balsas and Parnaiba. Within 1km of main house of Fazenda "Morros", about 35km south of Loreto

• Elevation

  Alt. 300 m. (984 ft.)

• Coordinates

  -7.38, -45.07

• Distribution

  Map all specimens of this taxon

.YORK BOTANICAL GARDfkj
00449043
FLORA OF BRAZIL
STATE OF MARANHÀO
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Municipio de Lor§to: “Hha de Balsas” region, between the Rios
Balsas and Parnaiba. Within 1 km of main house of Fazenda
“Morros”, about 35 km. south of LORETO. Alt. ca. 300 m.
ca* 7° 23’s., 45° U ’w.	8 Hay 1962
Main vegetation types of region: (1) “chapada”, a semi-closed tree woodland (or
“cerrad&o”) on flat tops & steep sides of plateaus, oa trtaep..hilly lantl, and on
some areas of rolling or flat dry land; (2) “tabuleiro”, a semi-closed woodland,
or “cerrad&o”, of different physiognomy & species composition, on tops of Wily
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-
j&o”, 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 Parnaiba and
some of its tributary streams ,/MAIll/vegetation types completely deciduous during
dry season. All brooks intermittent. Annual ground firesi and cattle grazing in
all areas. Part of "tabuleiro” cut over, forming treeless grassy areas; most
“mata” and much “caatinga” & “varjao” cultivated or abandoned, forming dense
secondary vegetation of low trees & tall shrubs (“capoeira”); 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 Rio Parnaiba.
This habitat:
"chapada" woodland.
Herb in seed.
leg. George Eiten and Liene T. Eiten, no. 4539&
Distributed by the Instituto de Botànica, Sao Paulo
00449043