Epilobium matthewsii Petrie
Tufted herb, with graceful arcuate branches spreading from a central system of rhizomes, with leafy overwintering rosettes. Stems 4-30 cm tall, with lines of short erect hairs on the elevated ridges running down from margins of petioles. Lamina of lf elliptic, 12-30 × 5-15 mm. Floral tube 1-2 mm deep, glabrous or with a few short hairs. Petals white, 5-8 × 4-5.5 mm. Capsules glabrate, 2.5-5 cm long; fruiting pedicel 0.8-2 cm long.
S.: Milford Sound area to near Chalky Inlet, Fiordland; St.
Endemic.
Moist rocks and banks, often in the splash zone from waterfalls, sea level to perhaps 900 m.
FL Dec-Jan.