same as the lizards do :). They develop the root cells in the crevices or attach them self to the uneven surfaces. They never produce haustoria, so they stick themselves with the velamen tissue on the rock. Even on tree trunks Orchids never produce haustoria. Pankaj
On Thursday, 11 October 2012 20:56:26 UTC+8, shrikant ingalhalikar wrote: > > Aerides maculosum an epiphytic orchid that is seen growing and flowering > on rocks on a plateau which is devoid of trees. The location suggestive of > the micro habitat/climate is close to Kumudini lake, a natural lake with > fabulous aquatic flora (here showing Nymphoides indicum). Regards, --

