Eragrostis maypurensis (Kunth) Steud.

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Loreto Mun.

• Locality

  "Ilha de Balsas" region, between the Rios Balsas and Parnaíba. About 25 km south of Lorêto. In front of main house of Fazenda Santa Rita.

• Elevation

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

• Coordinates

  -7.283, -45.125

• Distribution

  Map all specimens of this taxon

Univ. Federal do Rio Grande do Sul (ICN)
Eragrostis maypurensis (Kunth) Steudel
det. Sonja Castro Boechat, Feb. 1995
FLORA OF BRAZIL
STATE OF MARANHÄO
Eragrostis maypurensis (HBK.) Steud.
(det • J. R.Swall*n ,1964)
Municipio de Loreto: “Hha de Balsas” region, between the
Rios Balsas and Pamaiba. About 25 km. south of LORfiTO.
Ca. 7017 ’s> 4507-S ’W- In front of main house of Atzenda
Santa Rita. Alt. 250-300 m.
Main vegetation types of region: (1) “chapada”, a seml-closed tree woodland (or
"cerradfio”) on flat tops & steep sides of plateaus,	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 billy
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 Rio Pamaiba
some of its tributary streams.AwM vegetation types completely deciduous during
dry season. All brooks Intermittent. Annual ground fires and cattle grazing in
all areas. Part of “tabulelro” cut over, forming treeless grassy areas; most
“mata” and much “caatinga” & “varj&o” cultivated or abandoned, forming dense
secondary vegetation of low trees Se 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 «w»«
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, cut-over, grazed "carrasco*,
about half covered with shrubs to l/2 m* tall.
7 April 1962
Grass.
leg. George Eiten and Liene T. Eiten, no. 4121
Distributed by the. Institute de Botànica, s&o Paulo
00862421