Australopyrum retrofractum (Vickery) Á.Löve
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Details
Australopyrum retrofractum (Vickery) Á.Löve, Feddes Repert. Spec. Nov. Regni Veg. 95: 443 (1984)
Australopyrum retrofractum (Vickery) Á.Löve
Biostatus
Nomenclature
(Vickery) Á.Löve
Vickery
Á.Löve
1984
443
ICN
species
Australopyrum retrofractum
Classification
Subordinates
Descriptions
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.
Taxonomic concepts
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
Collections
Identification keys
Metadata
fbb55ef9-b69a-4f4c-ba49-32e5a7e476e3
scientific name
Names_Plants
1 January 2000
30 August 2005