One of the preserved local wisdom of Dawanese (Amanuban) Timor Tengah Selatan District is using plants as traditional medicine. The Dawanese (Amanuban) knowledge of using herbal plants is inherited spontaneously based on the experience and skill of the ancestors. The knowledge is inherited orally and limited to family members and siblings. This research aims to invent species of plants, the plant parts, and their functions used by Dawanese (Amanuban) as traditional medicine. This research is descriptive qualitative research with observation and structured interviews as the instruments. The informants were chosen based on Purposive Sampling using Snowball Sampling. There are 40 informants in this research. The data in this research were analysed using the descriptive qualitative analysis technique and were tabulated in tables. Based on the research result, there are 103 species of plants used by Dawanese (Amanuban) as traditional medicine. Of the 103 kinds of plants used to treat 23 groups of diseases. The way to mix the traditional medicine by Dawanese (Amanuban) varies depending on the species of plants, the parts of plant used, and the species of disease cured. The general way used by Dawanese (Amanuban) is by boiling. The novelty of this research is the disclosure of local wisdom in the use of plants owned by the Dawanese (Amanuban) people. The results of this study are expected to support the preservation of biological and cultural resources. Therefore, it is necessary to identify further the Kulit Pahit (Melicope) plants that have not been identified to the species level.

Abstrak. Penelitian ini bertujuan untuk mengetahui kevalidan, kepraktisan dan keefektifan terhadap penggunaan bahan ajar biologi berbasis Jelajah Alam Sekitar (JAS) yang berorientasi pada aktivitas belajar siswa kelas X di SMA Kristen 1 Soe. Metode penelitian yang digunakan adalah metode penelitian dan pengembangan atau Research and Development (R&D), dengan menggunakan model Borg and Gall (1983). Hasil penelitian menunjukkan bahwa bahan ajar yang dikembangkan valid dengan rata-rata persentase 90 persen dan juga praktis digunakan dengan rata-rata persentase respon guru 87 persen dan respon siswa 90 persen. Bahan ajar ini juga efektif digunakan, berdasarkan hasil analisis pertemuan pertama termasuk dalam kriteria baik dengan rata-rata persentase 75,08 persen sedangkan pada pertemuan kedua terdapat peningkatan yang signifikan dengan rata-rata persentase 90,44 persen dan berada pada kriteria sangat baik. Hal ini menunjukan proses pembelajaran dengan menggunakan bahan ajar biologi berbasis (JAS), terjadi peningkatan aktivitas belajar siswa yang signifikan dari pertemuan 1 ke pertemuan 2 sebesar 15,36 persen, dengan kriteria sangat baik.Abstract. The aim of this research is to find out the validity, practicallity and effectiveness of the use Biology learning material based on surrounded natural exploration oriented on students’ learning activities of students in ten grade of Christian 1 Soe Senior High School. The method used in this research was research and development (R&D) using Borg and Gall (1983) model. The result of the research showed that the developed material was valid by showing the average percentage 90 percent, the practicality percentage was 87 percent based on the teachers’ responses, 90% for the students’ responses. The developed learning media was also used effectively based on the result of analysis in the first meeting in good criteria with the average percentage was 75,08 percent and in the second meeting was 90,44 percent which was in really good criteria. This showed that the learning and teaching process used the developed learning media could improve the students learning activities significantly from the first meeting to the second meeting wich was 15,36 percent in good criteria.