Claim · model-written summary
Hexaploid V. aubletia has smaller chromosomes than diploid species.
Verbatim
t0“Verbena species”
e0“V. aubletia, a hexaploid species, has smaller chromosomes than the diploid species”
Title
Chromosomal differentiation in Verbena species.
O. P. Arora CYTOLOGIA 1978. doi:10.1508/cytologia.43.525
Other claims from this paper (7)
- Observation Verbena has base chromosome numbers of five and seven.
- Observation Section Verbenaca has small chromosomes.
- Observation Section Glandularia has larger chromosomes with symmetrical karyotype.
- Observation The two Verbena sections are cross incompatible.
- Observation Glandularia species with the same chromosome number have dissimilar karyotypes.
- Observation V. aubletia has two types of satellites.
- Mechanism The authors infer at least two species contributed to V. aubletia origin.