New Zealand Journal of Botany abstract
Identification and distribution of the Marlborough pink brooms, Notospartium
carmichaeliae and N. glabrescens (Fabaceae - Galegeae), in New
Zealand
P. B. HEENAN
Manaaki Whenua - Landcare Research
P. O. Box 69
Lincoln, New Zealand
Abstract Notospartium is accepted as comprising three
species, N. carmichaeliae, N. glabrescens, and N.
torulosum. However, in the recent literature, N. carmichaeliae and
N. glabrescens have been confused or one treated as a synonym of the
other. These two species are allopatric, growing on riparian bluffs, cliffs,
and alluvium in western and eastern Marlborough respectively; they are
separated by the Awatere Fault, which runs parallel to the Awatere River. The
southern limit of N. glabrescens and the northern limit of N.
torulosum fall on either side of the Hope Fault. N. glabrescens is a
calcicole, occurring on soils derived from base-rich limestone, sandstone,
mudstone, and siltstone parent materials. N. carmichaeliae occurs on
well-indurated greywackes of the Torlesse Supergroup which are base-poor. The
pods, a key diagnostic feature of both species, are illustrated and
conservation status is reassessed.
Keywords Fabaceae; Galegeae;
Notospartium; N. carmichaeliae; N. glabrescens; N.
torulosum; identification; distribution; conservation; New Zealand flora
B96010
Received 12 February 1996; accepted 27 June 1996
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