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 → Angiosperms → Rubiaceae → Houstonia → Hedyotis nigricans var. rigidiuscula (A. Gray) Shinners
2 chromosome counts in Hedyotis nigricans var. rigidiuscula (A. Gray) Shinners:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hedyotis nigricans var. rigidiuscula (A. Gray) Shinners | Houstonia purpurea L. | 11 | IPCN online | Ward, D. E. 1984. Chromosome counts from New Mexico and Mexico. Phytologia 56(1): 55–60. | |||
| ! | Hedyotis nigricans var. rigidiuscula (A. Gray) Shinners | Houstonia purpurea L. | 10 | 20 | Cave1962 | Lewis 1962a |