Classification
 Nomenclature
Scientific Name:
Rytidosperma auriculatum (J.M.Black) Connor & Edgar, New Zealand J. Bot. 17: 322-323 (1979)
Synonymy:
  • Danthonia auriculata J.M.Black (1929)
  • Notodanthonia auriculata (J.M.Black) Zotov, New Zealand J. Bot. 1: 113 (1963)
 Description

Small, grey-green, hoary, stiff tufts, shortly rhizomatous; leaves < culms; branching intravaginal, shoots crowded, ± swollen at base. Leaf-sheath pale stramineous, light purple above, scattered long hairs increasing towards collar, culm sheaths especially hairy; apical tuft of hairs 1.5–3 mm, extending dorsally below blade. Ligule 0.4–0.5 mm. Leaf-blade to 5 cm, densely and conspicuously covered in long stiff hairs, inrolled with thickened sparsely scabrid margins, tip obtuse. Culm to 15 cm, internodes glabrous but long-hairy below inflorescence. Panicle small, compact, erect, to 2 cm of few large spikelets on short pedicels; rachis and pedicels conspicuously clothed in long stiff hairs. Spikelets (4)–6–8-flowered, awns exserted from glumes. Glumes irregularly purple-tinged, lanceolate, subobtuse, ± equal, (7.5)–9.5–13 mm; lower 11–13-nerved, upper 9–11-nerved. Lemma (2.2)–2.8–3.0 mm, 9-nerved, upper and lower row of hairs very dense, continuous, upper row < lemma lobes, lower row overlapping upper, glabrous elsewhere; lobes (6)–8–10 mm, tapering to strong awns ≤ central awn, lobes with a short (0.3–0.4 mm) acute membranous subsidiary lobe, adaxially tufts of hairs near base of awn sinus; central awn (6.5)–9–12 mm, column c. 3 mm ≤ upper lemma hairs. Palea (2.2)–3–3.4 mm, broad, apex rounded, < upper lemma hairs, interkeel hairs short, scattered, margins with longer fine hairs. Callus 0.4–0.7 mm, marginal hair tufts just reaching lower lemma hairs. Rachilla 0.2–0.3 mm. Anthers 0.3–0.4 mm. Caryopsis c. 1.5 × 1 mm; embryo 0.7 mm; hilum 0.4 mm.

[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing).]

 Biostatus
Exotic
 Bibliography
Connor, H. E.; Edgar, E. 1979: Rytidosperma Steudel (Notodanthonia Zotov) in New Zealand. New Zealand Journal of Botany 17: 311–337.
Zotov, V.D. 1963: Synopsis of the grass subfamily Arundinoideae in New Zealand. New Zealand Journal of Botany 1: 78–136.