Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 416

Euphorbiaceae
Jatropha dioica Sessé

Location:San Luis Potosi, Cerro de San Miguelito, above Privadas de Pedregal. Canada de Lobos.
Coordinates: 22°05'50" N, 101°00'32" W Alt: 2230m

Shrub 30 cm tall. Male, in flower, flowers pale pink outside, darker inside. Stamens yellow.
Disturbed sandy area grazed by horses and donkeys. Geology: igneous rock. Open sandy area with rocks.

Identification Notes: Verified with Rzedwoski, G.C. & J. 2001 'Flora fanerogamica del Valle de Mexico'. Leaves grouped into fascicules. Corolla cylindrical with shirt lobes. Stamens fused into a column with 5 free anthers apically. Nectary disc cupular. Male plant.

Nova, J.A. de #416      11 June 2013

morphological details

flowers flowers flower flower flower flower
flower section flower section androecium androecium nectary disc nectary disc
androecium androecium stem stem abaxial leaf surface abaxial leaf surface
Herbarium voucher
Herbarium voucher