Epilobium chionanthum Hausskn.
Type locality: Lake Takapuna, Auckland. Type: K, T. Kirk, No. 158.
Stock slender, rather woody; stems decumbent in basal parts and rooting, then ascending or sprawling, slender, simple or sparingly branched, up to ± 1 m. long; tips and branchlets pale, thinly puberulous. Lvs opp., except in floral region, distant, subsessile or on petioles up to 2 mm. long. Lamina ovate-oblong to oblong-lanceolate, 20-30-(40) × 8-10 mm., pale green, membr., glab.; margins very minutely denticulate. Fls (8)-12-15-(20) mm. diam.; calyx deeply cleft, ± 5 mm. long, lobes lanceolate to ovate-lanceolate, puberulous to glabrate; petals white, obcordate, ± 10 mm. long. Capsules rather stout 40-60-(70) mm. long, ± puberulous; peduncles 20-50 mm. long, slender, puberulous. Seeds smooth.
DIST: N., S., Ch. Lowland swamp margins, shady wet places, throughout.
FL.- FT. 10-3.
The comparatively slight differences in form appear due to habitat differences; where the plant is more exposed than usual the stems may be prostrate except at the tips.