62211
Which are of the following has epiphytic features and aerial and flattened photosynthetic roots, without formal organisation of stem and leaves?
1 Tinospora
2 Trapa
3 Taeniophyllum
4 Vanda
Explanation:
C Taeniophyllum is an epiphytic orchid with thick flattened photosynthetic roots. These roots are green aerial, adventitious which prepare food materials by photosynthesis. - Tinospora possesses aerial climbing photosynthetic root - In trapa, the green assimilatory roots are submerged like other roots. They develop from stem nodes and are highly branched to increase photosynthesis.