Jacobs & Everett, Austrostipa 
591 
Austrostipa subgenus Austrostipa (autonym) 
A. mollis (Type), A. liemipogon, A. densiflora, A. campylachne, A. stuposa, A. semibarbata, 
A. aquarii. 
Column of the awn plumose or long-pubescent. Lemma usually without a coma. 
Austrostipa subgenus Arbuscula S.W.L. Jacobs & J. Everett, subgen.nov. 
A. acrociliata (Type), A. breviglumis, A. nullarborensis, A. plati/cbaeta, A. pycnostachya. 
Culmi plerumque ramosi sed ramis non verticillatis. Ligula folii longa. Paniculae 
grandes, sparsae, effusae. 
Culms usually branched though the branches not whorled. Leaves with long ligules. 
Panicles large, sparse and spreading. 
The epithet is Latin for small tree or shrub in reference to the shrubby growth form 
of these species. 
Austrostipa subgenus Longiaristatae S.W.L. Jacobs & J. Everett, subgen. nov. 
A. compressa (Type), A. mncalpinei. 
Caespites minutos perennesque formans, culmis florentibus grandis quotannis 
praesentibus. Lemma pallidum, arista longa paene recta. 
Forming minute perennial tufts with large flowering culms produced annually. 
Lemma pale with a long, almost straight awn. 
The epithet refers to the long awns characteristic of these species. 
Austrostipa subgenus Aulax S.W.L. Jacobs & J. Everett, subgen. nov. 
A. setacea (Type), A. feresetacea. 
Palea adaxialiter profunde sulcata. Ligula folii longa (ad 2 mm). 
Palea with a deep adaxial groove. Ligule long (> 2 mm). 
The epithet is Latin for 'furrow' or 'groove', referring to the adaxial groove on the palea. 
Austrostipa subgenus Lanterna S.W.L. Jacobs & J. Everett, subgen. nov. 
A. nullanulla (Type), A. lanata, A. vickeryam. 
Lemma superficie nitenti, glabra vel subglabra. 
Lemma with a shiny surface, glabrous or almost so. 
The epithet is from Latin 'lanterna', a lantern or lamp, referring to the bright, shining 
surface of the lemma. 
Austrostipa subgenus Lancea S.W.L. Jacobs & J. Everett, subgen. nov. 
A. flavescens (Type), A. exilis, A. miindula, A. echinata, A. velntina, A. muUispictdis, 
A. crinita. 
Glumae angustae, circa flosculum confertae. Coma lemmatis praesens; callus lemmatis 
longus, gracilis rectusque. Panicula saepe contracta, ramis brevibus. 
Glumes narrow, close around the floret. Lemma with a coma and a long, fine and 
straight callus. Panicle often contracted, with short branches.The epithet is Latin for 
'small lance', referring to the shape of the floret. 
