Microstachys corniculata (Vahl) Griseb.

• Region

  South America

• Country

  Brazil

• State/Province

  Maranhão

• County/Municipio

  Lorêto Mun.

• Locality

  "Ilha de Balsas" region, between the Rios Balsas and Parnaíba. About 25 km south of Lorêto. About 350 meters N of main house of Fazenda Santa Rita on trail to Faz. Trabalhosa.

• Elevation

  Alt. 300 m. (984 ft.)

• Coordinates

  -7.283, -45.125

• Distribution

  Map all specimens of this taxon

The New York Botanical Garden
Euphorbiaceae
Microstachys corniculata (Vahi) Griseb.
G. Eiten 4163
FLORA OF BRAZIL
STATE OF MARANHÀO
Sebastiana corniculata (Vahl) Muell.Arg.
(det. L.B .Smith,196$)
Municipio de Loreto: “Ilha de Balsas” region, between the
Rios Balsas and Pamaiba. About 25 km south of LORETO.
ca.7°17 ’S., 45°7-8’W. About 350 meters N of main house of
Fazenda Ssnta Rita on trail to Fas« Trabalhosa.
Main vegetation types of region: (1) “chapada”, a seml-closed tree woodland (or
“cerrad&o”) on flat tops & steep sides of plateaus, oa crtoop hilly laad, and on
some areas of rolling or flat diy 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 babagu palm on flat river plain of Bio Pamaiba and
some of its tributary streams/vȣniJvegetation 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” & “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 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 Rio Pamaiba.
This habitat: "chpadan of tall trees. Alt. about 300 m
7 Apfcil 1962 f
Herb. Flowers reddish, anthers light yellow.
Fruit at this stage green with red projections.
leg. George Eiten and Liene T. Eiten, no. 4163
Distributed by the Instituto de Botànica, S&o Paulo
01075466