Difference between revisions of "Tragus australianus"
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Tragus australianus | name=Tragus australianus | ||
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|authority=S.T. Blake | |authority=S.T. Blake | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
+ | |illustrator=Linda A. Vorobik;Annaliese Miller | ||
+ | |illustration copyright=Utah State University | ||
|distribution=S.C. | |distribution=S.C. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_924.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae |
Latest revision as of 18:59, 11 May 2021
Plants annual. Culms 10-45 cm. Ligules 0.5-1 mm; blades (0.7)3.5-7 cm long, (1.5)2-4 mm wide, surfaces glabrous. Panicles (4.5)6-13.5 cm long, 7-9 mm wide; rachises pubescent; branches 0.7-1.2 mm, pubescent, with 2(3) spikelets, axes rarely extending past the distal spikelets; proximal internodes 0.6-1 mm, usually 2-3 (or more) times longer than the second internodes. Proximal spikelets 3.1-3.5 mm; second spikelets 2.7-3.3 mm. Lower glumes absent or to 0.4 mm, glabrous; upper glumes 3.1-3.5 mm, minutely pubescent, 5-veined; glume projections 7-10, in 5 rows, 0.2-0.8 mm, uncinate; lemmas 2.4-2.6 mm, sparsely pubescent on the back, midveins sometimes excurrent to 0.2 mm; paleas 2-2.2 mm; anthers 3, 0.4-0.5 mm, yellow. Caryopses 1.2-1.5 mm long, 0.6 mm wide. 2n = unknown.
Discussion
Tragus australianus is native to Australia, where it becomes established rapidly on disturbed or bare soil after summer rains. In the Western Hemisphere, it is known from Berkeley and Florence counties, South Carolina, and Argentina.
Selected References
None.