New Zealand Journal of Botany abstract

Short communication
Chromosome numbers in Corynocarpus (Corynocarpaceae)

MURRAY I. DAWSON

Manaaki Whenua - Landcare Research
P. O. Box 69
Lincoln, New Zealand

Abstract  Somatic chromosome numbers are documented for the 5 species and 2 subspecies of Corynocarpus. C. cribbianus, C. dissimilis, C. laevigatus, and C. similis are diploid (2n = 46). C. rupestris ssp. arborescens is tetraploid (2n = 92). C. rupestris ssp. rupestris is also tetraploid (2n = 92), but a single hexaploid seedling (2n = c. 138) was also encountered. 2n = 46 for C. laevigatus is different from an earlier report of n = 22. Counts of the other taxa are published for the first time.

Keywords  chromosome numbers; Corynocarpaceae; Corynocarpus; Australia; New Caledonia; New Zealand; Vanuatu

B96039

Received 5 July 1996; accepted 15 November 1996

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