Corybas rivularis (A.Cunn.) Rchb.f. 1871 Photo by The Swiss Orchid Foundation at the Jany Renz Herbaria Website


Common Name The River-Bank Corybas - In New Zealand The Dancing Spider Orchid

Flower Size .6" [1.5 cm]

Found in New Zealand and the Antipodean Islands on stream-sides and damp ground in moderate shade as a miniature sized, cold growing terrestrial with tubers giving rise to an erect, reddish, white flecked stem carrying towards the apex, a single, ovate, veined, trilobed, cordate, petiolate base leaf that blooms in the late winter and early spring on basal, always under the leaf, erect, to 2.8" [to 7 cm] long, single flowered inflorescence

Synonyms *Acianthus rivularis A.Cunn. 1837; Corybas macranthus var. longipetalus Hatch 1947; Corysanthes longipetala (Hatch) Szlach. 2003; Coryanthes orbiculata Colenso 1896 publ. 1891; Corysanthes pandurata (Cheeseman) Szlach. 2003; Corysanthes rotundifolia var. pandurata Cheeseman 1925; Corysanthes rivularis (A.Cunn.) Hook.f. 1864; Nematoceras longipetalum (Hatch) Molloy, D.L.Jones & M.A.Clem. 2002; Nematoceras panduratum (Cheeseman) Molloy, D.L.Jones & M.A.Clem. 2002; Nematoceras rivulare (A.Cunn.) Hook.f. 1853;

References W3 Tropicos Kew Monocot list , IPNI ; The Native Orchids of New Zealand, A Colour Field Guide Scanlen & St George 2010 as Nematoceras rivulare photo fide;