#arenga

• Arenga — A taxonomic genus of palms in the family Arecaceae, native to the tropical regions of Southeast Asia, India, and Northern Australia, comprising arborescent or shrubby species of major economic importance. In a structural-botanical sense, the genus Arenga is characterized by large pinnate leaves, massive solitary inflorescences, and a monocarpic life cycle, with the plants dying after their spherical or ellipsoidal fruits reach full maturity; the sap extracted from the trunks is traditionally used to produce palm sugar and fermented beverages.
• Blunt-leaved sugar palm — A medium-sized palm species in the family Arecaceae, native to the low-altitude tropical rainforests of Malaysia, Sumatra, and Java, commonly known as the blunt-leaved sugar palm. In a structural-botanical sense, Arenga obtusifolia is distinguished by multiple stems (clumping/cespitose growth), rigid pinnate leaves whose leaflets feature a characteristically jagged or obtuse apex, and an ecological preference for shaded areas and humid valleys, forming dense thickets that stabilize alluvial soils.
• Arenga pinnata — The official binary name for the sugar palm, a large-sized palm species native to the tropical regions of South and Southeast Asia, belonging to the Arecaceae family. The plant is structurally characterized by long pinnate leaves and a robust trunk covered in black fibrous strands; it is utilized industrially for extracting sweet sap to produce palm sugar and bioethanol, as well as for its resilient fibers (ijon).