Stellaria roughii Hook.f.
Type locality: Dun Mt., Nelson, Rough. Type: K, "Mountains of Nelson, Capt. Rough".
Perennial much-branched herb up to 20 cm. long, glab., succulent and glaucous, rooting from fleshy rhizome. Lvs linear, up to 20 × 3 mm., acute. Fls solitary and terminal, peduncles 10-15 mm. long. Sepals 5, subulate, acute, 8-10 mm. long, each with 3 strong ribs; petals half length of sepals, white, deeply divided into 2 narrow lobes; stamens 10, filaments long opp. sepals, short between sepals; styles 3, ovary c. half as long as sepals when mature, splitting into 6 broad lobes; seeds few, flattened, 0·5 mm. diam., covered with close-packed clavate papillae, brown.
DIST.: S. Scree slopes from 1-2000 m. in mountains from Nelson to Takitimu Mts.
FL. 12-2. FT. 1-3.