Monographs Details: Richeria racemosa (Poepp. & Endl.) Pax & K.Hoffm.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Euphorbiaceae
Description:Distribution and Ecology - Confined to western Amazonas of Brazil and the neighboring Casiquiare area of Venezuela. VENEZUELA. Amazonas: prope San Carlos and Rio Negro, 1853-4, R. Spruce 3156 (NY) (type of R. laurifolia Baill.). BRAZIL. Amazonas: Esperanca (ad ostium fluminis Javary), silva non inundavili loco humido, 22 Oct 1942, Ducke 1080 (NY); Tabatinga, Estrada do Marco, 26 Nov 1945, Ducke 2041 (U.S.); prope Panure ad Rio Vaupes, Oct. 1852-Jan 1853, R. Spruce 2680 (NY); Sao Paulo de Olivenca near Palmares, 11 Sep-2 Oct 1936, Krukoff 8513 (type of R. submembranacea Steyermark) (NY); Sao Paulo de Olivenca, basin of creek Belem, 26 Oct-11 Dec 1936, Krukoff 8776, 8818, 8976 (NY); on Rio Livramento, 12 Oct -6 Nov 1934, Krukoff 6917 (US) (NY); 6577 (NY); near Tres Casas, 14 Sep-11 Oct 1934, Krukoff 6369 (NY); between Rio Livramento and Rio Ipixuna, 7 Nov-18 Nov 1934, Krukoff 7062, 7231 (NY)

Discussion:

Amanoa racemosa Poepp. & Endl., Nov. Gen. & Sp. 3 : 23. 1845.

Richeria laurijolia Baillon, Adansonia 6: 16. 1865.

Richeria submembranacea Steyermark, Field Mus. Publ. Bot. 17: 419. 1938.

Type. "in sylvis densioribus circa Egam Braziliae borealis," Not seen.

This species shows great variation in size and shape of leaves, which gave rise to several binomials and trinomials; the forms with more membranaceous blade were described as R. submembranacea (Krukoff 8513, 2041), the ones with more narrow blades are R. laurifolia (Krukoff 8776).

Distribution:Venezuela South America| Brazil South America|