New Zealand Journal of Botany abstract

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Carex tenuiculmis comb. et stat. nov. (Cyperaceae), a threatened red-leaved sedge from New Zealand

P. B. HEENAN

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

P. J. DE LANGE

Northern Regional Science Group
Department of Conservation
Private Bag 68908
Newton
Auckland, New Zealand

B. G. MURRAY

School of Biological Sciences
The University of Auckland
Private Bag 92019
Auckland, New Zealand

Abstract  Specific rank, Carex tenuiculmis, is accorded to the New Zealand endemic C. secta var. tenuiculmis. Carex tenuiculmis is distinguished from C. secta by a tussock habit, red leaves, shorter and scarcely branched inflorescence, the utricle with an obviously winged and scabrid margin, and the utricle-beak entire or the cleft minute. Different chromosome numbers are reported for C. secta and C. tenuiculmis. Carex tenuiculmis grows in wetlands and is considered to be endangered.

Keywords  Cyperaceae; Carex; Carex tenuiculmis; Carex secta; new species; taxonomy; conservation; chromosome number; New Zealand flora

B96059

Received 18 September 1996; accepted 7 January 1997

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