Rudgea jacobinensis Müll.Arg.

• 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. At place called "Picada", about 100 m. S of the creek, "Riacho da Picada". In gully of small tributary brook (now dry) called "Vão de Estrebaria" cut into the base of a gently-sloped side of a low plateau, where it joins the creek plain. The gully is lined with a narrow low-tree gallery forest.

• Elevation

  Alt. 250 m. (820 ft.)

• Coordinates

  -7.43, -45.12

• Location Notes

  [South America]

• Distribution

  Map all specimens of this taxon

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Botanical Garden copyright reserved
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Municipio de Loreto: “Ilha de Balsas” region, between the
Rios Balsas and Parnaiba. About £0 km. south of LORETO.
c&.7°26 ’S., 45° 7’W. At place called "Picady.M,about 100 m.
S of the creek, MRiacho da Picada". Alt. ca.. 250 m.
Main vegetation types of region: (1) “chapada”, a semi-closed tree woodland (or
'‘cerradao”) on flat tops & steep sides of plateaus, on unoon hilly land, and on
some areas of rolling or flat dry land; (2) “tabuleiro”, a semi-closed woodland,
or “cerradao”, of different physiognomy & species composition, on tops of hilly
or gently rolling land; (3) “niata”, 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-
j&o”, low moist flat land with scattered forest trees of one or a few species:
(6) “cocal”, thick groves of baba?u palm on flat river plain of Rio Parnaiba and
some of its tributary streams-AniHLivegetation 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” & “varjao” cultivated or abandoned, forming dense
secondary vegetation of low trees & tall shrubs (“capoelra”); some areas of
“chapada” with dense secondary vegetation C“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 Parnaiba.
This habitat: in gully of small tributary "brook (now
dry) called "Vao de Estrebaria" cut into the base
of a gently-sloped side of a low plateau, where it
joins the creek plain. The gully is lined with a
narrow low-tree gallery forest.	25	w62<
Shrub 1 1/2 m. tall. Ripe fruit slightly pyriform,
Tim. di
leg.
tsNfc Si®	333s
02480281
Distributed by the Instituto de Botánica, Sao Paulo
02480281