TY - JA AU - Sivori,E.M AU - Cigliano,E AU - Nakayama,F TI - Germination of achira seed (Canna sp.)approximately 550 years old PY - 1968/// N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0028-0836 T2 - Nature ER -