Difference between revisions of "Setaria arizonica"
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name=Setaria arizonica | name=Setaria arizonica | ||
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|authority=Rominger | |authority=Rominger | ||
|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=Ariz. | |distribution=Ariz. | ||
|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_1412.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Latest revision as of 17:56, 11 May 2021
Plants annual. Culms 25-50 cm; nodes pubescent. Sheaths glabrous, margins ciliate distally; ligules 1-2 mm, ciliate; blades 7-15 cm long, 5-8 mm wide, flat, scabrous, abaxial surface conspicuously hispid over the veins with papillose-based hairs, adaxial surface sparsely hispid over the veins; bristles solitary, 5-15 mm, flexible. Panicles 5-12 cm, loosely spicate; rachises scabrous. Spikelets 1.8-2 mm. Lower glumes about 1/3 as long as the spikelets, 3-veined, lateral veins coalescing with the central vein below the apices; upper glumes about 2/3 as long as the upper lemmas, 5-veined, obtuse; lower paleas equaling the lower lemmas, broad; upper lemmas very strongly and coarsely transversely rugose; upper paleas similar to the upper lemmas. 2n = unknown.
Discussion
Setaria arizonica is locally abundant in sandy washes on both sides of the Arizona-Sonora border, southwest of Tucson.
Selected References
None.