Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Orchidaceae

Appendicula cornuta Blume

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary and primary fractionally logged evergreen broad-leaved forest on very steep hill slopes composed by gray and yellow solid marble-like limestone at elevation about 300–400 m a.s.l. around point 16º59.5 N 106º38.2 E. Tufted epiphyte or lithophyte in shady places. Not rare.

11 November 2024, Nguyen Huu Cuong, Nguyen Van Ly, Phan Thanh Quyet, Duong Van Nam, Le Thi Phuong Thao, L. Averyanov, T. Maisak, AL3661.

Flowered in culture 21 August 2025, L. Averyanov, AL3661.