Difference between revisions of "Erioneuron avenaceum"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Tridens grandiflorus | |name=Tridens grandiflorus | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Erioneuron grandiflorum | |name=Erioneuron grandiflorum | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Erioneuron;Erioneuron avenaceum | |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Erioneuron;Erioneuron avenaceum | ||
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name=Erioneuron avenaceum | name=Erioneuron avenaceum | ||
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|authority=(Kunth) Tateoka | |authority=(Kunth) Tateoka | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Karen Klitz | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Ariz.;N.Mex.;Tex. | |distribution=Ariz.;N.Mex.;Tex. | ||
|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_71.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 17:58, 11 May 2021
Culms (7)10-30(40) cm tall, (0.4)0.7-1 mm thick, glabrous; nodes glabrous or villous. Ligules to 0.5 mm; blades (1.5)3-5(8) cm long, (0.5)1-1.5(2.5) mm wide, both surfaces sparsely pilose. Panicles 2-8(10) cm; branches with 2-10(16) shortly pedicellate spikelets. Spikelets 6-8(10) mm, purplish, with (4)6-12(20) florets; lower glumes 4-7 mm; upper glumes 6-9 mm, equaling or exceeding the lowest florets; lemmas 4-7 mm, purplish-green, awned from between the lobes, awns 2-4 mm, apices bilobed, lobes 1-2 mm, obtuse to acute; anthers 0.4-1 mm or (when monandrous) to 1.3 mm. Caryopses 1-1.4 mm. 2n = 16, 32.
Distribution
Ariz., N.Mex., Tex.
Discussion
Erioneuron avenaceum is common in rocky areas from the southwestern United States to central Mexico; it also grows in Bolivia and Argentina. North American plants belong to E. avenaceum (Kunth) Tateoka var. avenaceum. Stoloniferous plants occur in the Flora region, but they are most common in central Mexico.
Selected References
None.