Lakshmi Ganapati is one of the 32 forms of Ganesha. This form of Ganesh is worshipped for attaining wealth and prosperity. A unique feature of this form is that Ganapathy is flanked by consorts Siddhi and Buddhi. Lakshmi Ganapati mantra is
Bibhranah Shukha Beejapuraka milanamanikya Kumbhakshushaan Paasham kapalataam cha khangavilasijjyotih
Sudhaa nirjharah Shyaamenaatta saroruhena sahitam devidvyam chantikee
Gowrango varadaana hasta sahitah lashmi Ganesha svataata

The famous Muruga temple in Palani has Lakshmi Ganapati murti as a subsidiary deity.
Worship of this form of Ganapati helps a devotee to attain wealth, prosperity and other material gains.