Mimosa xanthocentra Mart. var. xanthocentra

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Lorêto Mun.

• Locality

  "Ilha das Balsas" region, between the Rios Balsas and Parnaíba. Ca. 200 m S of main house of Fazenda "Morros", about 35 Km south of Lorêto. Along the brook "Grota Grande"

• Elevation

  Alt. 300 m. (984 ft.)

• Coordinates

  -7.38, -45.07

• Distribution

  Map all specimens of this taxon

Herbário VIC
Universidade Federal de V¡90sa
Mimosa xanthocentra Mart. var. xanthocentra
V.F.Dutra 3/X/2007
1985—1991
FLORA OF BRAZIL
STATE OF MARANHÀO
Mimosa piQlycarpa Runth
Sett H. S. Irwin, 1966
Municipio de Loreto: “Hha de Balsas” region, between the Rios
Balsas and Pamaiba. Ca*200 m. S of main house of Fazenda
“Morros”, about 35 km. south of LORETO. Alt. ca. 300 m.
ca. 7° 23’S., 45° 4 rw.	19 May 1962
Main vegetation types of region: (1) "chapada”, a semi-closed, tree woodland (or
“cerrad&o”) on flat tops & steep sides of plateaus, —i atgep 'hMly hwii, and on
some areas of rolling or flat dry land; (2) "tabulelro”, a semi-closed woodland,
or “cerrad&o”, 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-
jao”, 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./* ADUvegetatlon types completely deciduous during
dry season. All brooks intermittent. Annual ground flresl 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: by dam at dammed pond in gallery forest
along the brook, "Grota GrandeH.
This nfls herbaceous vine growing over a shrub (a
Cassia sp.. n® 463IA, which is rooted in shallow
water of the pond.)
leg. George Eiten and Liene T. Eiten, no. 463UB
Distributed by the Instituto de Botanica, Sao Paulo
00936030