Monographs Details: Schefflera duidae Steyerm. subsp. duidae
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 - Lianas or simple shrubs in forests usually at intermediate altitudes.VENEZUELA . Territorio Amazonas: C e n o Duida, 25-26 A u g 1944, Steyermark57989 (holotype F); single-stemmed slender tree to 6 m , leaves brownish below,occasional along Diagonal Ledge, south-facing cliffs at 1200-1500 m alt, CerroHuachamacari, 5 Dec 1950, Maguire, C o w a n & Wurdack 29843 (NY, V E N );Siena Parima, 1300 m alt, 2°27'24"N, 63°56'0, 18-23 M a y 1972, Steyermark105961 (VEN). Estado Bolivar: Siena Pacaraima, a lo largo de la frontera, Venezolana- Brasilera, N o . 15, 3°40'N y 63°00'O, 1400 m alt, 4-5 M a y 1973, Steyermark107285 ( N Y , V E N ) ; Cerro Sahsahnama, 1400malt, lOFeb 1916,Brewer-Carias s.n. (VEN). B R A Z I L . Amazonas, Sena da Neblina: climber, rachis ofinflorescence tawny, flowers yellowish. C a m p 6,4300 ft alt, 29 N o v 1965, Maguire, Pires & Maguire 60437 (NY, M G ) ; C a m p 6, pedesena, liana, frequent at 4400 ft, 5 Dec 1965, Maguire, Pires & Maguire 60544 ( N Y , M G ) ; vine, calyx ferruginous, corolla and stamens greenish, in forest, 1250-1300 m alt, Sena Pirapucu, 29 Jan 1966, Silva & Brazao 60943 ( N Y , M G ) . Roraima: tree 5 m tah, by stream on savanna plateau, flowers yellow-green, S e n a dos Surucucus [of Roraima Sandstone Formation], 1800 m ah, 14 Feb 1969, Prance et al. 9920 (NY).

Discussion:

Type. Shmb with simple stem 20-25 ft tall, Caiio Negro, Cerro Duida, Territorio Amazonas, Venezuela, 25-26 Aug 1944, Julian A. Steyermark 57989 (F, 2 sheets, photo N Y ) .

A facultative liana or slender simple-stemmed small tree, Schefflera duidae, collected only on areas of Roraima sandstone, is n o w k n o w n from an extended range. It is quantitatively variable in pubescence

Distribution:Venezuela South America| Brazil South America|