Paspalum plicatulum Michx.

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Loreto Mun.

• Locality

  "Ilha de Balsas" region, between the Rios Balsas and Parnaiba. About 40 km. south of Lorêto. Near place called "Picada", north side of the creek, "Riacho da Picada"

• Elevation

  Alt. 250 m. (820 ft.)

• Coordinates

  -7.43, -45.12

• Distribution

  Map all specimens of this taxon

part 1 of 2 parts
FLORA OF BRAZIL
STATE OF MARANHAO
Paspaltm plicatulum Mlchx
(d&tt J*B#Swallen, 1964)
Municipio de Loreto: “Ilha de Balsas” region, between the
Rios Balsas and Pamaiba. About J+0 km. south of LORfiTO.
Ca.7° 26 ’S., 45°7 *w. Near place called "Hcada".
Alt* ca. 250 m.
Main vegetation types of region: (1) “chapada”, a semi-closed tree woodland (or
“cerradio") on flat tops & steep sides of plateaus, — ?	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 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 senii-open forest of few forest tree species on low
moist flat land and In narrow valleys between “tabuleiro”-covered hills; (5) “var-
jfto", 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, AlU/vegetation types completely deciduous during
dry season. All brooks intermittent. Annual ground fires and cattle grazing in
aU 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 (“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: in brook bed of a tributary brook on
north side of the creek, MRiacho da PLeada”.
Water present only in scattered puddles; this
number collected in dry part of bed.
Grass 1 1/2 m. tall.	28 March 1962
1 whole stem in 2 parts.	$
leg. George Eiten and Liene T. Eiten, no. 3911
_ (stem 2)
Distributed by the Xnstltuto de Bot&nica, S&o Paulo
00892112