Euphorbia ceroderma I.M.Johnst.

M3
CA
INSTITUTO DE ECOLOGIA
CENTRO REGIONAL DEL BAJIO (IEB)
EUPHORBIACEAE OF MEXICO
Euphorbia ceroderma I.M. Johnst.
Sonora: municipio de Guaymas, ca. 4.5 km north of
San Carlos, Nacapule Cayon; ca. 28°00'56HN,
1H°02,58I1W, 150 m. Much-branched shrub with
spine-tip branches; on rocky slopes in thorn scrub
with Acacia, Acalypha californica, Antigonon
leptopus, Bursera, Coccoloba goldmanii, Coursettia
glandulosa, Forchhammeria watsonii, Guaiacum
coulteri, Jacquinia macrocarpa ssp. pungens,
Hintonia latiflora, Hybanthus fruticulosus, Lycium,
Marsdenia edulis, Nissolia schottii, Ruellia
calif ornica, Vallesia, Xanthoxylum.
V.W. Steinmann 1373 & P.I. Moscosa C., I. Herrera
28 August 1998
04020505