Classification
 Nomenclature
Scientific Name:
Thinopyrum Á.Löve, Taxon 29: 351 (1980)
Type Taxon:
Triticum junceum L.
 Description

Rigid, erect, glaucous, rhizomatous perennials. Auricles absent. Ligule membranous, truncate. Leaf-blade linear, narrow, usually involute, aromatic when crushed. Inflorescence a simple spike, with solitary ± sessile spikelets, alternate on stout very fragile rachis. Spikelets 2–10-flowered, laterally compressed, appressed to rachis; disarticulation above glumes; florets ☿, rachilla prolonged. Glumes ± equal, similar, < adjacent lemmas, 4–12-nerved, coriaceous, oblong, obtuse, acute or truncate, awnless. Lemmas similar in texture to glumes, 5-nerved, glabrous, rounded below keeled near tip, obtuse, awnless. Palea ≈ lemma, 2-keeled. Lodicules 2, membranous, ciliate, usually asymmetrically lobed. Stamens 3. Ovary hairy, hispid hairs at apex; styles 2, free. Caryopsis free from lemma and palea; embryo small; hilum long, linear.

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

 Biostatus
Exotic
Number of species in New Zealand within Thinopyrum Á.Löve
CategoryNumber
Exotic: Fully Naturalised2
Exotic: Casual2
Total4
 Bibliography
Löve, A. 1980: Chromosome Number Reports LXVII. Taxon 29(2/3): 347–367.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.