Paspalum virgatum L.

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Loreto Mun.

• Locality

  "Ilha de Balsas" region, between the Rios Balsas and Parnaíba. About 30 km. south of Lorêto. About 1/2 km N of main house of Fazenda Sao Raimundo on trail to Faz. Santa Rita

• Elevation

  Alt. 200 - 300 m. (656 - 984 ft.)

• Coordinates

  -7.317, -45.125

• Distribution

  Map all specimens of this taxon

FLORA OF BRAZIL
STATE OF MARANHÀO
Paspalum virgatxun L.
(det.J.H.Swallenf1964)
Municipio de Loreto: “Hha de Balsas” region, between the
Rios Balsas and Pamaiba. About 30 km* south of LORfiTO.
ca.7° 19 ’S., 45° 7-8^. About 1/2 km N of ma/ln house of Fa-
zenda !Sao Raimundo on trail to 7az. Santa Rita.
M'n.in vegetation types of region: (1) “chapada”, a seml-closed tree woodland (or
“cerrad&o”) on flat tops & steep sides of plateaus, «MtMHWliHMMl, and on
some areas of rolling or flat dry land; (2) “tabulelro”, a seml-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 umri 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 Pamaiba and
some of Its tributary streams AlAXlUvegetation types completely deciduous during
dry	All brooks Intermittent! Annual ground fired 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 & tail 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
Country rock horizontal light brown sandstone, exposed only on tops
of morros n-nrf on cliffs along the Bio Pamaiba.
This habitat: in ravine of now dry brook in extensive
11 Caatinga11 forest. Soil light brown fine sand with
clay. Alt. 200-300 m.	.	'
6 April 1962
Grass*
leg. George Eiten and Liene T. Eiten, no. 4088
___frii—t. ?[)
Distributed by the Institute de Botftnlca, Sao Paulo
00895472