Var. calycina
O. calycina Col. in T.N.Z.I. 21, 1889, 97.
Type locality: "Highlands of Waimakariri, near Bealey". Type: K, "New Zealand, W. Colenso 5/1890 (my only specn)".
Lvs tending to be ovate with cuneate base; petioles broad and winged, up to 10 mm. diam. when dry, fringed with close short hairs that extend a little up lf-margin. Peduncle c. 6-10 mm. diam. when dry, sparsely hairy. Bracts us. 4-(5) per whorl, the lowest often 4 × 1 cm., gradually decreasing in size upwards. Pedicels sparsely hairy. Calyx-lobes mostly c. 10 mm. long, many notched, posterior clefts us. > 1/2 length.
DIST.: S. Mountains from upper Waimakariri and N.W. Nelson to upper Ashburton and Franz Josef. Herbfield, scrub and streamsides.
FL. 10-1. FT. 1-3.