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A REVIEW OF CHROMOSOME NUMBERS IN THE GENUS TILIA (TILIACEAE)

Published online by Cambridge University Press:  25 June 2002

C. D. PIGOTT
C. D. PIGOTT
Affiliation:
Greenbank, Cartmel, Grange-over-Sands, Cumbria LA11 7SQ, UK
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Abstract

Chromosome numbers for all 23 species of Tilia recognized by the author, and for several subspecies and hybrids, are reviewed. Counts or cytometric analyses for 14 species are reported for the first time; of these, eight species are diploid (2n=82): T. amurensis subsp. taquetii, T. chingiana, T. endochrysea, T. kiusiana, T. mandshurica, T. caroliniana, T. heterophylla and T. mexicana, five are tetraploid (2n=164): T. chinensis, T. henryana, T. miqueliana, T. mongolica and T. paucicostata, and one is octoploid (2n=328): T. nobilis. T. japonica, previously reported as diploid, is tetraploid in Japan (Hokkaidō) and in China. Three new combinations are created: T. amurensis Rupr. subsp. taquetii (C.K. Schneid.) Pigott, T. cordata Mill. subsp. sibirica (Bayer) Pigott and T. platyphyllos Scop. subsp. corinthiaca (Bosc ex K. Koch) Pigott.

Keywords

ChecklistchromosomenumberslimelindenTilia
Type
Research Article
Information
Edinburgh Journal of Botany , Volume 59 , Issue 2 , June 2002 , pp. 239 - 246
Copyright
© 2002 Trustees of the Royal Botanic Garden, Edinburgh

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