Carmichaelia astonii (Astons Dwarf Broom)
Species: C. astonii
Binominal name: Carmichaelia astonii
Common name: Astons Dwarf Broom, Dwarf NZ Broom.
Carmichaelia astonii is a rare dwarf spreading endemic broom of New Zealand and is found only in the South Island in Eastern Marlborough in a small area south of Ward, encompassing the Flaxbourne, Mead, and Waima (Ure) River catchments, Weld Cone, Ward Beach and the Chalk Range.
C. astonii is restricted to limestone areas in sparsely vegetated rendzina (a soil usually formed by weathering of soft rock types) and related steepland soils of medium to high fertility. This broom will tolerate -5°c to -12°c temperatures.
For more details visit: http://www.nzpcn.org.nz/flora_details.aspx?ID=408
Photographed at Otari Wilton Bush Reserve. November.
Photos below taken March.