Satyrium

The flowers of Satyrium are distinctly recognisable in that the they are non-resupinate and the hood shaped lip has two distinct spurs. 41 of the 91 species are found in South Africa. It is a predominantly African genus with only three species found in Asia. Terrestrial plant with most species bearing a terminal inflorescence. Some species bear a sterile shoot next to the flowering stem. The replacement tuber develops at the base of the sterile shoot. It is this tuber that will bear the flowering stem in the next growing season while again producing a sterile shoot beside it. Other species simply develop one to numerous replacement tubers next to the flowering stem on stolons or closely connected to the tuber with the flowering stem. It is for this reason that many of the Satyriums are not easy to cultivate over an extended period of time. The risk of loosing the replacement tubers to rotting is high and if it is lost the plant cannot perpetuate itself ultimately succumbs. 

Credit

Johnson, S.D., Bytebier, B., Stärker, H. (2010). Orchids of South Africa: A field guide. Struik Nature, Cape Town, South Africa.