Download Copy a link to this page Cite this record

Australopyrum retrofractum (Vickery) Á.Löve

Scientific name record
Names_Plants record source
Is NZ relevant
This is the current name
This record has collections
This record has descriptions
This is foreign
Show more

Click to collapse Details Info

Australopyrum retrofractum (Vickery) Á.Löve, Feddes Repert. Spec. Nov. Regni Veg. 95: 443 (1984)
Australopyrum retrofractum (Vickery) Á.Löve

Click to collapse Biostatus Info

Exotic
Wild
New Zealand
Political Region

Click to collapse Nomenclature Info

Á.Löve
Vickery
(Vickery) Á.Löve
1984
443
ICN
species
Australopyrum retrofractum

Click to collapse Classification Info

retrofractum

Click to collapse Descriptions Info

Australopyrum retrofractum (Vickery) Á.Löve

Leaf-sheath 4-5 cm, coarsely pilose with long dense retrorse or mixed hairs, striate. Auricles 1.0 mm, clasping, glabrous. Ligule 1.5 mm, erose, glabrous. Collar white, margin sparsely hairy. Leaf-blade 3-6 cm × 2 mm, rough, hairs coarse long (0.5 mm) and shorter, margin long-hairy, prow-tipped. Culm 10-25 cm, internodes glabrous, nodes evident some geniculate, inflorescence node with long soft hairs. Inflorescence a spikelike raceme 2-5 cm, spikelets c. 6, rachis retrorse hairy on margin, elsewhere hairs mixed, internodes c. 2 mm. Spikelets to 15 mm, florets 4-8, ± appressed broadside to rachis; pedicel 0.5 mm, hairy. Glumes ± unequal, 6-8 mm, nerves 1-3, indurate, shining, glabrous, becoming reflexed, swollen at base, awn-like above, linear triangular, asymmetrical, adaxially with short white hairs, margins chartaceous. Lemma 7.5-10 mm, narrowing into glabrous shining indurate awn ± 4 mm, keeled, ± glabrous or with scattered prickle-teeth, adaxially with short white hairs above, margin chartaceous. Palea 5-6 mm, denticles long and stout on upper keels, interkeel with few short white hairs. Callus 0.15 mm, broad, disarticulation flat. Rachilla 0.75 mm, finely short stiff hairy. Lodicules 0.7-0.8 mm, hairy. Anthers 0.7-1.5 mm. Gynoecium: ovary 1.0 mm; stigma-styles 2-2.5 mm. Caryopsis c. 4 mm; embryo 0.6 mm; hilum = caryopsis.

Click to collapse Taxonomic concepts Info

Australopyrum retrofractum (Vickery) Á.Löve
Australopyrum retrofractum (Vickery) Á.Löve
Australopyrum retrofractum (Vickery) Á.Löve
Australopyrum retrofractum (Vickery) Á.Löve
Australopyrum retrofractum (Vickery) Á.Löve

Click to collapse Collections Info

Australopyrum retrofractum (Vickery) Á.Löve
New Zealand
Canterbury Land District
Australopyrum retrofractum (Vickery) Á.Löve
New Zealand
Marlborough Land District
Australopyrum retrofractum (Vickery) Á.Löve
New Zealand
Otago Land District

Click to collapse Metadata Info

fbb55ef9-b69a-4f4c-ba49-32e5a7e476e3
scientific name
Names_Plants
1 January 2000
30 August 2005
Click to go back to the top of the page
Top