Penelitian ini bertujuan untuk (1) Menginventarisasi jenis-jenis tumbuhan herba di Hutan Tane O’len Desa Wisata Setulang Kabupaten Malinau. (2) Mengetahui tentang bagaimana habitat tumbuhan herba mampu tumbuh di kawasan Hutan Tane O’len. Metode penelitian yang digunakan yaitu deskriptif kualitatif. Subjek pada penelitian ini adalah tumbuhan herba yang tumbuh di hutan Tane O’len dengan penentuan sampel menggunakan teknik purposive sampling untuk memperoleh data. Hasil penelitian menunjukkan bahwa ditemukan jenis-jenis tumbuhan herba yang tumbuh di kawasan Hutan Tane O’len sebanyak 8 jenis yang tergolong kedalam 5 famili diantaranya, Maranta arundinaceae, Homolomena javanica, Cheilcostus cpeciosus, Alocasia princeps, Afromomum angustifolium, Amorphophallus muelleri, Xanthosoma sagittifolium, dan Colacasia esculentadari. Habitat tumbuhan herba di kawasan hutan Tane O’len di dukung oleh kelembapan tanah yang baik, suhu udara yang stabil, pH tanah yang sesusai untuk pertumbuhan atau habitat tumbuhan herba tumbuhan herba di hutan Tane O'len, hanya sebagian kecil dari tumbuhan yang ditemukan mampu beradaptasi di hutan Tane O’len.

Kata Kunci: Inventarisasi, Tumbuhan herba, Hutan Tane O’len

This research aims to (1) Inventory the types of herbaceous plants in the Tane O'len Forest, Setulang Tourism Village, Malinau Regency. (2) Find out about how the habitat of herbaceous plants can grow in the Tane O'len Forest area. The research method used is descriptive qualitative. The subjects in this research were herbaceous plants that grow in the Tane O'len forest. The samples were determined using a purposive sampling technique to obtain data. The results of the research showed that 8 types of herbaceous plants were found growing in the Tane O'len Forest area which belonged to 5 families including, Maranta arundinaceae, Homolomena javanica, Cheilcostus cpeciosus, Alocasia princeps, Afromomum angustifolium, Amorphophallus muelleri, Xanthosoma sagittifolium, and Colacasia esculenta. The habitat of herbaceous plants in the Tane O'len forest area is supported by good soil moisture, stable air temperature, and suitable soil pH for herbaceous plants, and only a small portion of the plants found can adapt to the Tane O'len forest area. Keywords: Inventory, Herbaceous Plants, Tane O'len Forest