Difference between revisions of "Dactyloctenium radulans"
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|distribution=Ariz.;Fla.;Mass.;S.C. | |distribution=Ariz.;Fla.;Mass.;S.C. | ||
| − | |discussion=<p>Dactyloctenium radulans has been found at few locations in the Flora region, most of which were associated with wool waste. It is native to Australia, where it is regarded as a valuable ephemeral pasture grass in the drier inland areas but also as a garden weed. It resembles Dactyloctenium aristatum Link of tropical eastern Africa, differing primarily in having transversely rugose, rather than granular, caryopses.</p> | + | |discussion=<p><i>Dactyloctenium radulans</i> has been found at few locations in the Flora region, most of which were associated with wool waste. It is native to Australia, where it is regarded as a valuable ephemeral pasture grass in the drier inland areas but also as a garden weed. It resembles <i>Dactyloctenium</i> aristatum Link of tropical eastern Africa, differing primarily in having transversely rugose, rather than granular, caryopses.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Dactyloctenium radulans | name=Dactyloctenium radulans | ||
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|authority=(R. Br.) P. Beauv. | |authority=(R. Br.) P. Beauv. | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Linda A. Vorobik | + | |illustrator=Linda A. Vorobik;Karen Klitz |
| + | |illustration copyright=Utah State University | ||
|distribution=Ariz.;Fla.;Mass.;S.C. | |distribution=Ariz.;Fla.;Mass.;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_184.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
Plants annuals or short-lived perennials. Culms 5-20(50) cm, decumbent or ascending, rarely erect, usually branched. Sheaths glabrous or with papillose-based hairs, slightly keeled; ligules to 1 mm, membranous, truncate, ciliate; blades flat, bases with papillose-based hairs. Panicle branches 2-11, 0.4-1.5 cm, almost globose, most of the spikelets in contact with the spikelets of adjacent branches; branch axes extending beyond the distal spikelets as 1-1.5 mm points. Spikelets 3.5-5 mm, with 2-5 florets. Glumes strongly keeled; lower glumes 1-2 mm, ovate, acute; upper glumes 1.5-3 mm, oblong elliptic, acuminate, awned, awns 0.5-2.5 mm; lemmas 3-4.3 mm, ovate, keels scabrous, 1-veined, veins excurrent about 0.5 mm, apices acuminate to mucronate; paleas shorter than the lemmas; anthers 0.2-0.8 mm, pale yellow. Seeds about 1.2 mm long, about 0.7 mm wide, transversely rugose, brown. 2n = unknown.
Distribution
Ariz., Fla., Mass., S.C.
Discussion
Dactyloctenium radulans has been found at few locations in the Flora region, most of which were associated with wool waste. It is native to Australia, where it is regarded as a valuable ephemeral pasture grass in the drier inland areas but also as a garden weed. It resembles Dactyloctenium aristatum Link of tropical eastern Africa, differing primarily in having transversely rugose, rather than granular, caryopses.
Selected References
None.