Monographs Details: Sandwithia guyanensis Lanj.
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 - Known only from British Guiana, and Venezuela. BRITISH GUIANA. Bartica, Nov 1888, Jenman 4817 (NY); Waini River, N.Y. District, lat 8°20'N, long 59°40'W, 3-18 Apr 1923, De La Cruz 3840 (NY); Wanama River, Northwest District, lat 7°45'N, long 60°15'W, 10-23 May 1923, De La Cruz 3965 (NY) ; Mazaruni Station, 15, 21 Sep 1937, Sandwith 1524 (NY); Mazaruni Station, 8 May 1950, Fanshawe 2949, R.N. 6279 (NY); Brazilian border near Kukui creek, on the Chodikar trail, 23 Nov 1952, Guppy 659, R.N. 7674 (NY); Puruni, understory tree in Morabukea forest, 24 Apr 1953, JB 90, R.N. 7774 (NY). VENEZUELA. Delta Amacuro: Serrania Imataca, El Palmar-Raudal trail, upper Rio Toro drainage, alt 270-470 m, 12 Nov 1955, Wurdack & Mona-chino 39659. (NY); Amazonas: Cerro Huachamacari, Rio Cunucunuma, between camp 1 and Culebra, 20-21 Dec 1950, Maguire, Cowan & Wurdack 29989 (almost sterile NY).

Discussion:

Type. Morabelli Creek, Essequibo River near Bartica, fl. and fruit. Aug 26, Sandwith 125-B (isotype, NY).

I agree with Lanjouw that Sandwithia is much more closely related to Sagotia than to the Crozophoreae and that the valvate or imbricate aestivation of the calyx-lobes has little systematic value.

The distinction from Sagotia however is quite clear because of the nonaccrescent female calyx in Sandwithia. The calyx is not deeply incised and is more like the calyx of the Hippomaneae. The tribal segregation of Cluytieac, Gelonieae and Hippomaneae still requires the thorough revision to which Bentham already called attention.

Distribution:Guyana South America| Venezuela South America|