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Revitalization and preservation of biodiversity, particularly local plant species, is one of the key issues in sustainable development. The region of East Nusa Tenggara, especially areas like Sabu Regency, is known for its rich endemic flora. Local plants are not only part of the natural ecosystem but are also closely tied to the cultural identity, history, and daily life of the Sabu Raijua community. However, the phenomena of globalization, urbanization, and low environmental awareness have led to many local plant species becoming endangered due to land conversion, overexploitation, and the loss of traditional local knowledge passed down through generations (Bawono, 2019; Khairina et al., 2020; Matheus, 2020). This community service activity arises from an awareness of the existing problems or gaps in the field, such as the lack of public understanding especially among the younger generation, regarding the importance of local plants. In addition, many schoolchildren no longer recognize local plant species, whether in terms of their ecological benefits, traditional uses, or cultural values. Another aspect that underscores the need for this activity is the lack of educational media, such as illustrated dictionaries based on local plants, which could help introduce these plants in an engaging, visual, and easily understandable way for children (Markhamah et al., 2021; Hanafi et al., 2024; Latamada & Moussadecq, 2024). Moreover, outreach programs on the conservation of local plants are often neglected. In relation to the above issues, questions arise regarding the scientific relevance and positive impact of this community service activity. This program is designed not only as a form of practical service but also as a means of applying scientific knowledge in the fields of conservation biology, ethnobotany, environmental education, and science communication (Gunarso, 2021). Through an approach that combines outreach activities and the distribution of illustrated dictionaries, community-based conservation can be strengthened, as the community will be engaged as the main actors in preservation efforts, not merely as passive recipients. Furthermore, the use of visual media such as illustrated dictionaries supports the theory of multimodal learning, which suggests that children learn more effectively through a combination of text and images. From the perspective of community contribution, the outcomes of this activity are expected to enhance public awareness and understanding of the importance of local plant conservation, provide long-term educational tools that can be used by schools and community groups, and stimulate the emergence of local initiatives, such as school gardens or local plant adoption programs. Meanwhile, from the scientific contribution side, this activity can generate preliminary data on community perceptions, knowledge levels, and the effectiveness of visual media in environmental education, which can later be developed further as material for future studies or research. According to Wang et al. (2023), outreach and the distribution of educational media designed contextually to meet local needs can serve as important catalysts in safeguarding the sustainability of natural heritage, building ecological awareness, and strengthening the cultural identity of the Sabu community.