Gibberellins (GAs) are essential phytohormones that control many aspects of plant development, including seed germination, stem elongation, leaf growth, flowering induction, development of glandular hairs, and pollen maturation. However, there are different mechanisms underlying GAregulated flowering in perennial woody plants and annual herb plants. To facilitate study about the role of GAs in the biofuel plant Jatropha curcas, we identified all genes involved in GA metabolism and signaling pathways. These genes include members of six gene families, ie., GA2oxidase (GA3ox), GA3oxidase (GA3ox), GA20oxidase (GA20ox), GA receptor GIBBERELLIN INSENSITIVE DWARF1 (GID1), DELLA growth inhibitors (DELLAs), and Fbox proteins, and two single genes SPINDLY (SPY) and EARLY FLOWERING1 (EL1). Jatropha homologs of genes from Arabidopsis and rice (Oryza sativa) were identified by blasting the genome and transcriptome database of Jatropha. Total 17 genes involved in GA metabolism and signaling pathway were identified from Jatropha, and were phylogenetically analyzed with homologs from Arabidopsis, rice, grape (Vitis vinifera), and castor bean (Ricinus communis). Our results showed that compared to Arabidopsis and rice, protein sequences of genes involved in GA metabolism and signaling pathways in Jatropha showed a higher similarity to those from castor bean and grape.