Difference between revisions of "Trichoneura elegans"
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name=Trichoneura elegans | name=Trichoneura elegans | ||
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|authority=Swallen | |authority=Swallen | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Karen Klitz | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Tex. | |distribution=Tex. | ||
|reference=None | |reference=None | ||
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|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 17:55, 11 May 2021
Plants annual; cespitose. Culms (12)30-115 cm, erect to decum¬bent, usually rooting at the lower nodes, mostly glabrous, pubescent beneath the panicles. Lower sheaths longer than the internodes, antrorsely scabridulous; ligules 1.2-2.7 mm, truncate, erose; blades (2.5)5-35.2 cm long, (1)2-9.3 mm wide, antrorsely scabridulous, usually flat, becoming involute or convolute when dry. Panicles (3)4-23 cm long, 1.5-8 cm wide, rachises pubescent; branches 5-24, ascending, axes triquetrous; lower branches (0.8)1-9.5 cm. Spikelets 8-11.5 mm, with 5-10 florets, distal 1-4 florets sterile or staminate. Glumes with 1 green to purplish vein, antrorsely scabridulous, apices acuminate, awnlike; lower glumes 5.9-11.5 mm; upper glumes 5.8-10.5 mm; lowest lemmas 4.5-5.7(6.4) mm, veins green, midveins excurrent to 1.2 mm, midsections hairy adjacent to and on the lateral veins, with 0.5-1.6 mm hairs, antrorsely scabridulous elsewhere; paleas 4-5 mm, antrorsely scabridulous on the apices and veins; anthers 3, 1.3-1.7 mm, yellow to purplish. Caryopses 2.6-3 mm long, 0.7-0.9 mm wide, flattened. 2n = 40.
Discussion
Trichoneura elegans usually grows in dry, deep, sandy soil. Its range extends from south central Texas to northern Tamaulipas, Mexico.
Selected References
None.