Article from Bean's Trees and Shrubs Hardy in the British Isles
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'Veronica rakaiensis' from the website Trees and Shrubs Online (treesandshrubsonline.
A shrub of dense habit, usually 2 to 3 ft high in cultivation, more in spread, branchlets with two lines of down on each internode. Leaf-bud without sinus. Leaves spreading, elliptic, oblong-elliptic or slightly oblanceolate, 1⁄2 to 3⁄4 in. long, 1⁄4 in. or slightly less wide, soft, slightly glossy green above, mat green beneath, glabrous except for the minutely ciliate margins. Flowers white in simple racemes about 2 in. long, including peduncle slightly shorter than the subtending leaf; bracts shorter than the pedicels. Calyx-lobes with a membranous margin. Corolla-tube rather broad, as long as the calyx or slightly shorter; corolla-lobes much longer than the tube. Capsules downy, pointed.
Native of the South Island of New Zealand from mid-Canterbury southwards, on the eastern side of the divide. This species is very common in cultivation but at present (1971) it is almost always seen under the name Hebe (Veronica) subalpina. It is a hardy evergreen of neat habit and foliage of a cheerful green.