Out of 513 species known from the Madayippara, 60 are Peninsular Indian endemics; of which 15 are narrow endemics of Kerala, confined to the laterite hillocks. Sevan species are Indian endemics and 28 species are known from confined to Peninsular Indian and Sri Lanka and 13 species to Indian region and Sri Lanka. The presence of endemic species belonging to various threat categories such as "Hopea ponga", "Capparis rheedei", "Eriocaulon cuspidatum" and "Neanotis rheedei" are also indicate the conservation significance of the area. Another interesting plant of this locality is the rare lycophyte, "Isoetes coromandelina" found near the temporary pools of Madayipara during the wet phase. It was once widely distributed in the wetlands and paddy fields of Kerala, but becoming rare due to changes in the habitats. "Ophioglossum" species such as "O. costatum", "O. nudicale" and "O. gramineum" are also distributed sparsely and make their appearance during the wet phase.