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'Veronica raoulii' from the website Trees and Shrubs Online (treesandshrubsonline.
Distribution New Zealand South Island
This species, uncommon in cultivation, is allied to V. hulkeana and V. lavaudiana. It is a dwarf shrub with erect or procumbent stems. Leaves smaller and narrower than in its allies, oblong-spathulate, 1⁄4 to 1 in. long, 1⁄8 to 3⁄8 in. wide, long-tapered at the base, with serrated and usually reddish margins. Flowers white or pale lavender, in dense, short panicles (sometimes reduced to a single terminal spike). It is a rock-plant, confined to dry places in Canterbury province. Two varieties are described in Flora of New Zealand, Vol. 1.
The form recognised as var. pentasepala L.B.Moore has been referred to Veronica pentasepala (L.B.Moore) Garn.-Jones.
Likewise, var. maccaskillii Allan has been raised to species rank.