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The existence of Pinanga javana as an endemic palm from Java has not yet been known for its ecological information in its natural habitat. The aim of the study was to explain the distribution pattern and development of P. javana growth in its natural habitat. The research design used a purposive sampling method with a plot measuring 10x10 m. The location of the research is on the eastern slope and the southern slope of Mt. Slamet. Data was analysed by using the Morisita index to find out the distribution patterns. Descriptive analysis was used to explain the development of P. javana growth. The results showed that the pattern of the distribution of P. javana in its natural habitat was spread in groups. The morphological development of P. javana growth follows the Corner architecture model. P. javana seeds are included in the recalcitrant seed type and hypogeal sprouts. The dispersal agent of P. javana seeds is carried out by common civet palm (Paradoxurus hermaphroditus).