Paspalum microstachyum J.Presl

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Loreto Mun.

• Locality

  "Ilha de Balsas" region, between the Rios Balsas and Parnaíba. Several km E of main house of Fazenda "Morros", about 35 km. south of Lorêto. A little SE of house at "Sambaíba", along the brook "Riacho da Macaúba"

• Elevation

  Alt. 300 m. (984 ft.)

• Coordinates

  -7.38, -45.03

• Distribution

  Map all specimens of this taxon

FLORA OF BRAZIL
STATE OF MARANHÂO
Pas palum microstachyum Presi
(de t • J. R. Swallen, 1965)
Municipio de Lorêto: “Hha de Balsas” region, between the Rios
Balsas and Parnaiba. Several km I of main house of Fazenda
“Morros”, about 35 km. south of LORÊTO. Alt. ca. 300 m.
ca. 7o23 »s., 45° 2-3w. A little SB of house at "Sambalba" •
Main végétation types of region: (1) “chapada”, a semi-closed tree-woodland (or
“cerradâo”) on flat tops & steep sides of plateaus, ornrnMi&mMU&mUmiA, 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 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-
jfto”, low moist flat land with scattered forest trees of one or a few species;
(6) “cocal”, thick groves of babaçu palm on flat river plain of Bio Parnaiba and
some of its tributary streams. "9ÂU vegetation types completely deciduous during
dry season. All brooks Intermittent. Annual ground firea and cattle grazing in
all areas. Part of “tabuleiro” cut over, forming treeless grassy areas; most
“mata” and much “caatinga” & “varjâo” 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 clay, very stony on slopes; lowland soils
mostly reddish brqwn 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 Parnaiba.
This habitat: moist, deeply shaded spot below trees in
gallery forest along the brook, "Riacho da Macaube" .
22 May 1962
Grass, growing in thick layer of Selaginella.
leg. Georgè Eiten and Liene T. Eiten, no. 4655
Distributed by the Instituto de Botànica, S&o Paulo
00895830