Difference between revisions of "Digitaria arenicola"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Leptoloma arenicola | |name=Leptoloma arenicola | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Digitaria;Digitaria arenicola | |hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Digitaria;Digitaria arenicola | ||
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name=Digitaria arenicola | name=Digitaria arenicola | ||
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|authority=(Swallen) Beetle | |authority=(Swallen) Beetle | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Tex. | |distribution=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_579.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Latest revision as of 17:58, 11 May 2021
Illustrator: Linda A. Vorobik, Hana Pazdírková
Copyright: Utah State University
Plants perennial; loosely tufted, with long, creeping rhizomes. Culms 20-60 cm, erect; lower nodes glabrous or pubescent; upper nodes glabrous. Leaves mainly cauline; sheaths usually glabrous, lower sheaths sometimes pubescent; ligules 0.4-1 mm, truncate, entire to lacerate; blades 5-11.5 cm long, 3-4.5 mm wide, glabrous, usually flat or folded. Panicles simple, 12-24 cm long, 19-40 cm wide, open; nodes hispid; branches divergent; lower primary branches 10-21 cm, with 1-several sterile branches near the base; pedicels divergent, spikelets solitary. Spikelets 3.5-4.6 mm long, 0.8-1 mm wide, elliptical. Lower glumes 0.2-0.5 mm; upper glumes 3-3.8 mm, 5-7-veined, densely villous between the veins, hairs white, becoming purple at maturity; lower lemmas similar to the upper glumes in size, texture, and pubescence; upper lemmas 3-3.7 mm, narrowly acute, dark brown; anthers 1.1-1.4 mm. Caryopses 1.5-2 mm. 2n = 36, 37.
Discussion
Digitaria arenicola is endemic to deep sands along the coast of Texas, a very restricted habitat and one that is being lost to the development of coastal parks and housing.
Selected References
None.