ETHNOBOTANICAL SURVEY OF MEDICINAL PLANTS USED TO TREAT ALLERGIC IN THE CIPEUNDEUY REGION, SUBANG, WEST JAVA, INDONESIA

Allergic rhinitis, asthma, atopic dermatitis, and atopic eczema are among the common causes of chronic ill health. It is well known that IgE-dependent mast cell activation is associated with the allergic diseases. This research aims to document and preserve the use of ethnomedicinal to treat allergic by communities in the Cipeundeuy Region, Subang, West Java, Indonesia. Fieldwork was carried out from April to May 2026 using direct interviews, questionnaires, and discussions. Plant species are identified based on standard taxonomic methods, flower morphological characteristics, and where possible, using samples for comparison, as well as consultation with experts and the literature. The plant types obtained were grouped into families according to the Cronquist classification system. Plant names were checked against the Plant List (www.plantlist.org) and the International Plant Name Index (www.ipni.org). This research reports that 30 plant species are commonly used by people in the Cipeundeuy Region to treat allergic. Among the various plant parts used, leaves (56.7%) are most frequently used in making medicines, followed by rhizomes (20.0%), seed (10.0%), fruit (6.7%), stem, and rind (respectively 3.3%). Meanwhile, the most frequently used preparation methods were decoction (80.0%) and infusion (20.0%). The results of this research confirm that people in the Cipeundeuy Region still rely heavily on medicinal plants for their health care system, especially for the treatment of allergic with the most frequently used parts of the leaves and their use in decoctions and infusions.