Disperis Anthoceros Group
Glabrous herbs. Leaves normally opposite or subopposite. Hood deep or with pronounced spur, petals frequently with large basal anterior lobe and therefore appearing bilobed, lateral sepals free or extensively fused; lip claw mostly very long and slender, blade simple and ecallose, often surrounded by hairs, appendage mostly as two pendent or forward-curved and deeply bifurcate lobes, rarely of many pendent lobes or entire and apically dentate. Rostellum arms linearspathulate, erect or suberect, usually elongate and only rarely short (D. nemorosa); stigma lateral, mostly narrowly lanceolate at base of rostellum arms.
Subtropical and tropical Africa; one species ranging into Madagascar.
World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ accessed 1/10/2010