Eragrostis maypurensis (Kunth) Steud.

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Lorêto Mun.

• Locality

  "Ilha de Balsas" region, between the Rios Balsas and Parnaíba. Santa Barbara, due SSE of Lorêto, on shore of Rio Parnaíba. Property of Dona Luzia.

• Elevation

  Alt. 140 m. (459 ft.)

• Coordinates

  -7.5, -45.05

• Distribution

  Map all specimens of this taxon

FLORA OF BRAZIL
STATE OF MARANHÄO
Era^rostiB maypurensis (h#B*K*) Steud*
(det* J. R#3lrall0nt 1964)
botanical
<§!*RP
NEW YORK MTAMCALGMROEN
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00862446
Univ. Federai do Rio Grande do Sul (ICN)
Eragrostis maypurensis (Kunth) Steudel
det. Sonja Castro Boechat, Feb. 1995
Municipio de Loreto: “Ilha de Balsas” region, between the Rios
Balsas and Pamaiba. SANTA BARBARA, due SSE of Loreto, on
shore of Rio Pamaiba. Flat river plain, less than 1 km. wide, several
meters above river level, covered with dense babagu palm grove.
Alt. 140 m. 7°30’S., 45°3’W. Pff*r+y of Pm ¿tfA/k.
Main vegetation types of region: (1) “chapada”, a semi-closed tree woodland (or
“cerrad&o”) on flat tops & steep sides of plateaus, mm rtttp MMy *—*, and on
some areas of rolling or flat dry land; (2) “tabuleiro!’, a semi-dosed woodland,
or “cerrad&o”, of different physiognomy & species composition, om 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 <Sz
courses; (4) “caatinga”, a semi-open forest of few forest tree species on low
moist flat 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 baba^u palm on flat river plain of Bio Pamaiba and
or.™a of its tributary streamsvegetation 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” <fe “varj&o” 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 day, very stony on slopes; lowland soils
mostly reddish brown to black silt loam, silty day loam or day loam, without
stones. Country rock horizontal light brown sandstone, exposed only on tops
of morros and on cliffs along the Bio Pamaiba.
This habitat:
jco*t	»tuft w	*rees -
X s’
leg. George Eiten and Liene T. Eiten, no. / Q
Distributed by the Institut» de Botànica, Säo Paulo