Monographs Details: Schefflera quinquecarinata Steyerm.
Authority: Maguire, Bassett. 1984. The Botany of the Guyana Highland - Part XII. Mem. New York Bot. Gard. 38: 1-84.
Family:Araliaceae
Description:Distribution and Ecology - A large forest tree of median altitudes, occasional in the eastemGran Sabana and adjacent Pakaraima Plateau of Guyana. V E N E Z U E L A . EstadoBolivar: Steyermark & Nilsson 483 (holotype V E N , isotype N Y ) ; tree 20 m , humidmontane forest below Rio V e n a m o , 950-1000 m aU, 10 Jan 1964, Steyermark,Dunsterville & Dunsterville 92954 ( V E N , N Y ) ; K m 134, al sur de El Dorado, RioAnawaray-paru, 1300-1350 m aU, 25 Dec, 1970, Steyermark, Dunsterville &Dunsterville 104451 (VEN). G U Y A N A . Tree to 30 m high, frequent in m e d i umhigh forest, Partang River, M e r u m e Mountains, 1140 m alt, 7 Jul 1960, Tillett,Tillett & Boyan 44849 ( N Y , K , V E N , U S , F); tree to 25 m , 8 d m base, leavesterminal, leaflets folded, drooping, brittle, dark green above, matte brown beneath,main ribs and margin light green, inflorescence terminal, young buds goldenbrown,only one seen, in mixed evergreen forest with low and tall patches, indefinitefluvial forest along river, Utschi River mouth, ca 550 m elev, KamarangRiver, upper Mazaruni River Basin, 21 Oct 1960, Tillett et al. 45736 (NY, K,V E N ).

Discussion:

Type. Tree 12 m tall, in forested area, ridge top. Km 134, headwaters Rio Cuyuni, Estado Bolivar, Venezuela, 23 Apr 1960, /. A. Steyermark & S. Nilsson 483 (holotype V E N , isotype N Y ) .

Tillett et al. 44849, of the M e r u m e Mountains, Guyana, exhibits shortened petiolules, and m a y prove to represent a distinct variant.

Distribution:Venezuela South America| Guyana South America|