Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics
CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Gymnosperms → Zamiaceae → Dioon → Dioon spinulosum Dyer ex Eichl.
3 chromosome counts in Dioon spinulosum Dyer ex Eichl.:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Dioon spinulosum Dyer ex Eichl. | Dioon spinulosum Dyer ex Eichl. | 18 | IPCN67-71 | STOREY, W.B. 1968. Somatic reduction in cycads. Science 159: 648-650. | ||
| ! | Dioon spinulosum Dyer ex Eichl. | Dioon spinulosum Dyer ex Eichl. | 18 | Darlington, 1955 | Sax & B. 1934 | ||
| ! | Dioon spinulosum Dyer ex Eichl. | Dioon spinulosum Dyer ex Eichl. | 18 | Rastogi2019 | Moretti A. Karyotype data on North and Central American Zamiaceae (Cycadales) and their phylogenetic implications. Am J Bot. 1990;77:1016–29. |