Sisyrinchium "yellow"
Tufted grass-like annual. Stems 10-15- (20) cm × ± 1 mm, simple, or jointed and branched. Leaves < stems, 1-2 mm wide. Flowers c. 7.5 mm long, ± 6 mm diam., up to 8 in clusters within ± equal spathe-valves, yellowish-cream to yellow, internally with a reddish-purple band forming a 6-pointed star, externally with median purplish stripe above, pubescent below; lobes oblong-acuminate. Capsule c. 3 × 3 mm, glabrous, ± flattened, grey-green, becoming reddish. Seeds black, c. 0.7 mm long.
N. North Cape southwards to Bay of Islands.
First record: Cheeseman 1897 a: 361, 385, as "S. micranthum Cav."
First collection: "Werahi Creek, near Cape Maria van Diemen, far North Auckland", H. B. Matthews, Jan. 1913 (CHR 20572).
FL. 11-1.
Similar yellow-flowered plants are found in Australia and Norfolk Id.