Epilobium hectorii Hausskn.
Stems slender, close-set, ascending or erect in upper part, us. branched below, (5)-15-(30) cm. long; branchlets pale green to reddish, uniformly or occ. bifariously pubescent. Lvs opp., alt. in floral region, rather distant, on petioles ± 1 mm. long. Lamina oblong to linear-oblong, 5-8-12 × 2-4 mm.; subcoriac., glab.; margins entire to remotely, sts distinctly, denticulate. Fls 5-(8) mm. diam.; calyx ± 4 mm. long, lobes ovate-lanceolate; petals white ± 6 mm. long. Capsules 10-25 mm. long, purplish red, slender, pubescent on angles at least when young; peduncles ± 2 cm. long, slender, pubescent. Seeds smooth or very minutely papillose.
DIST.: Montane to subalpine grassland and fellfield: N. Ruahine and Tararua ranges. S. Throughout.
FL.- FT. 10-2.
Haussknecht cites a number of S. localities. I could not find any specimens at K, of those cited by him.