Bromus catharticus
ξB. catharticus Vahl ξSlender, tufted, bluish green perennial, c. 60 cm, with narrowly branched panicles. Leaf-sheath with very fine, soft, white, straight, often dense hairs. Ligule 1-3 mm, rounded to tapered, denticulate. Leaf-blade 10-22 cm × 1.5-4.5 mm, softly hairy. Culm c. 40 cm, erect. Panicle 10-22 cm, with few, slender, scabrid branches. Spikelets 2-2.5 cm, 7-8-flowered, narrow-elliptic, light green or purple-suffused. Glumes ± unequal, finely scabrid on keel in upper ½, acute, sometimes mucronate; lower c. 10 mm, 5-7-nerved, upper 11-13 mm, 9-nerved. Lemma 12-13 mm, 9-nerved, keeled, very minutely scabrid; awn 1.5-2.5 mm. Palea c. ⅘ length of lemma. Callus with some sparse minute hairs. Rachilla minutely scabrid. Anthers in cleistogamous florets 0.6-0.8 mm. Caryopsis c. 7 × 1.5 cm. A South American species collected from waste land on roadsides in Alexandra, Central Otago A. J. Healy 57/147 25.1.1957 (CHR 98462) and A. J. Healy 66/492 18.10.1966 (CHR 174129).
