(pronounced: ar-throh-KYE-luss)


Diurideae subtribe Drakaeinae


Terrestrials arising from a tuber. Leaves rosulate, usually absent at flowering. Inflorescences erect pedunculate spicate racemes, the floral bracts inconspicuous. Flowers not resupinate. Sepals and petals free, spreading, subsimilar, the lateral sepals and petals reflexed. Lip complexly ornate, hinged, mobile. Column arching, club-shaped, with apical stelidia and large central wings; pollinia 4, in two pairs each partially fused at the base, naked.


From the Greek arthron, a joint, and cheilos, lip, alluding to the articulated, mobile lip.


A genus of at least ten species native to Australia with one species extending to New Guinea.

Care and Culture Card

See basic growing conditions and care information below.


Blaxell, D. F. 1972. Arthrochilus F. Muell. and related genera (Orchidaceae) in Australasia. Contr. New S. Wales Nat. Herb. 4(5):275-283.

Lavarack, P. 1975. Arthrochilus dockrillii: a new species of orchid from North Queensland. Proc. Roy. Soc. Queensland 86:155-156.