velamen is found in

a.viscum b.vanda c. rosa d.santalum

Velamen is outer layer of empty cells found in epiphytic plants.. in given question it is found in vanda

Dear student ...Velamen tissue is found in the aerial roots of certain epiphytic orchids (e.g. Vanda)It is a protective tissue layer which also SO. absorb water from surrounding...with Regards ...Mahima..(Askiitians Forum Expert )

Velamen is found in vanda for absorption of moisture from air which is a character of epiphytes..................................