Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 415

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, 50 cm tall, with single stems rising from the ground. Stems purple brown. Female plant in fruit, fruits green, immature. Indicator of grazing pressure.
Disturbed sandy area grazed by horses and donkeys. Geology: igneous rock. Rocky SW-facing slope 20º, with Telocactus.

Identification Notes: Verified with Rzedwoski, G.C. & J. 2001 'Flora fanerogamica del Valle de Mexico'. Leaves grouped into fascicules.Fruit apculate, slightly winged on ventral side with a single seed. Female plant.

Nova, J.A. de #415      11 June 2013

morphological details

calyx calyx drupe apex drupe apex drupe section drupe section

drupe section drupe section

stem stem

vegetative scales vegetative scales

abaxial leaf surface abaxial leaf surface    
field picture
habitat
Herbarium voucher
Herbarium voucher

Other field pictures

fruiting shrub
fruit
leaves