Cycas zeylanica

Cycas zeylanica, common name (in Sri Lanka) maha-madu is a plant apparently at present endemic to the Andaman and Nicobar Islands. It was formerly also present in Sri Lanka, but a majority of the population there were destroyed by the tsunami of December 2004. A few trees are cited in Hanguranketha town Adikarigama area.

Cycas zeylanica is an unbranched shrub up to 3 m (9.8 ft) tall. Leaves are up to 200 cm (79 in) long, green, glossy, pinnately compound with up to 100 leaflets. Pollen-producing cones fusiform (tapering at both ends), microsporophylls (male, pollen-producing) up to 45 mm (1.8 in) long. Megasporophylls (female, ovule-producing) up to 30 cm (12 in) long, each with 2-5 ovules. Seeds flattened to ovoid, orange-brown.