Flora of Pathiramanal
|Rare plants like the Aponogeton appendiculatus grow in this island. This plant is listed as a threatened species in the Red Data Book of Indian Plants published by The Botanical Survey of India. Other rare plants like the Macuna gigantean, Flagellaria indica, and mangrove species like Bruguiera gymnorhiza, Soniratia apetala and Exoecaria agallocha are also found, though in less numbers.
Mussel colonies of the Villorita species grow in the waters close to the island. There are also some medicinal plants like the Calophyllum inophyllum, Tylophora indica and Senna alata.