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Cycas zeylanica : ウィキペディア英語版 | 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 the last remnants of the populations there were destroyed by the tsunami of December 2004.〔(Bösenberg JD. 2010 ''Cycas zeylanica'' in " IUCN Red List of Threatened Species ", version 2013.2, IUCN, 2013 ).〕〔Christenhusz, M. J. M., J. L. Reveal, A. K. Farjon, M. F. Gardner, R. R. Mill & M. W. Chase. 2011. A new classification and linear sequence of extant gymnosperms. Phytotaxa 19: 55–70.〕 ''Cycas zeylanica'' is an unbranched shrub up to 3 m tall. Leaves are up to 200 cm 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 long. Megasporophylls (female, ovule-producing) up to 30 cm long, each with 2-5 ovules. Seeds flattened to ovoid, orange-brown.〔(Lindstrom, AJ, & KD Hill. 2002. Notes on the species of ''Cycas'' (Cycadaceae ) from Sri Lanka and the islands of the Andaman Sea. Novon 12:237-240.〕〔(Schuster, Julius. 1932. Das Pflanzenreich 99: 75, pl. 10C–D, llK–M. )〕 ==References==
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