(pronounced: trye-DAK-til-ee)


Vandeae subtribe Aerangidinae. Summerhayes recognized a monotypic section Scandentes Summerhayes for T. wakefieldii (Rolfe) Summerhayes, a species which has been transferred subsequently to the genus Solenangis.

If you are an AOS Member, access OrchidPro online to browse and search over 100,000 photos of award-winning orchids and more.

If you are not an AOS member, discover the benefits of joining today


Monopodial epiphytes. Stems leafy, short to elongate, unbranched or sparsely branched, erect to pendent, concealed by persistent leaf bases. Leaves alternate, distichous, often twisted at the base to lie in one plane. Inflorescences axillary racemes, emerging through the leaf sheaths opposite to a leaf, the peduncle usually short, the rachis often fractiflex (zig-zag). Flowers small, usually fragrant. Sepals and petals subsimilar, free, spreading. Lip unlobed to three-lobed, auriculate, with a short to elongate spur. Column short, stout, without a foot; pollinia 2, on a simple or y-shaped stipe, with a single viscidium.


From the Greek tri, meaning three, and daktylos, meaning finger, referring to the three-lobed lip.


A genus of about 42 species in tropical and South Africa.

Care and Culture Card

See basic growing conditions and care information below.


Bellone, R. 1998. Les Diaphananthe et Tridactyle d’Afrique centrale. Orchid. Cult. & Protect. 36(4):13-21.

Summerhayes, V. S. 1948. African Orchids XVIII. Kew Bull. 3:277-302.

Wright, I. 1985. Tridactyle bicaudata. S. Afr. Orchid J. 16(1):6-7.