TY  - JOUR 
T1  - Anatomy, ultrastructure and secretion of Hibiscus pernambucensis Arruda (Malvaceae) extrafloral nectary
JO  - Brazilian Journal of Botany
A1  - Rocha, Joecildo Francisco
A1  - Machado, Silvia Rodrigues
SN  - 0100-8404
UL  - 10.1590/S0100-84042009000300008
VL  - 32 
Y1  - 2009
PB  - Brazil 
ER  -