<p><strong><em>Stereochilus arunachalensis</em></strong><strong>, a new orchid species of Orchidaceae (Epidendroideae: Vandeae: Aeridinae) from Arunachal Pradesh, India</strong></p>

Stereochilus Lindley (1858: 38) is a small orchid genus of about seven species distributed from northeastern India to Vietnam (Govaerts et al. 2019). It is characterised by a long, erect footless column with firmly attached saccate lip, long subulate rostellum projection and long slender somewhat clavate stipes with a small viscidium carrying four equal, ovate pollinia with short caudicles, the sac inside with back wall callus, front wall callus and septum (Seidenfaden 1988).