கேள்வி: இரட்டைத் தேங்காய் மரம் - உசாத்துணை என்பது என்ன?
பதில்: * Listed as Endangered *[http://www.arkive.org/coco-de-mer/lodoicea-maldivica/ Arkive: ''Lodoicea maldivica''] *Palm Society of Australia: ''Lodoicea maldivica'' [http://www.pacsoa.org.au/palms/Lodoicea/maldivica.html description] and [http://www.pacsoa.org.au/palms/Lodoicea/maldivica1.html photo gallery] * Hutchinson, 1959, ''The Families of Flowering Plants'' (2nd ed.) * Fleischer-Dogley, F. (2006). ''Towards sustainable management of Lodoicea maldivica (Gmelin) Persoon,'' PhD thesis, University of Reading, UK.