Aeschynomene histrix var. incana (Vogel) Benth.

• 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. Several km. south of main house of Fazenda Aldeia on trail to Faz. Morros

• Elevation

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

• Coordinates

  -7.275, -45.1

• Distribution

  Map all specimens of this taxon

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Municipio de Loreto: “Ilha de Balsas” region, between the
Rios Balsas and Parnaiba. About 25 km south/of LORfiTO.
ca. 7°1539s., 45° ’w. Several km south of mala house of
Fazenda Aldeia on trail to Faz. Morros.
Main vegetation types of region: (1) “chapada”, a semi-closed tree woodland (or
"cerrad&o”) on flat tops & steep sides oi plateaus, on crtoap bUly laad, and on
some areas of rolling or flat dry land; (2) “tabulelro”, a seml-closed woodland,
or “cerradSo”, of different physiognomy & species composition, on tops of lillly
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) “caatlnga”, a semi-open forest of few forest tree species on low
moist fiat land and In narrow valleys between “tabulelro”-covered hills; (5) “var-
ifto” low moist flat land with scattered forest trees of one or a few species;
(6) "cocal”, thick groves of babacu palm on flat river plain of Bio Parnaiba and
some of its tributary streams yvtjn^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 "caatlnga” & “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 slit 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 Parnaiba.
This habitat: Thick "tabulelroB of shrubs & low trees,
more than 50% crown cover. Alt. 200-300 m.
12 April 1962
Petals orange with red ring at base of front surface
of standard.
leg. George Eiten and Liene T. Eiten, no. 4289
Distributed by the Instltuto de Bot&nlca, SSo Paulo
00451906