Difference between revisions of "Themeda triandra"
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|distribution=Tex. | |distribution=Tex. | ||
| − | |discussion=<p>Themeda triandra is native to India, Korea, China, and Japan. Many infraspecific taxa have been described in T. triandra and in T. australis, a species that is sometimes included in T. triandra. Themeda triandra subsp. japonica (Willd.) T. Koyama is sold as an ornamental in the Flora region but, in the absence of a treatment that covers both species throughout their range, it is impossible to state how it differs from other members of the complex.</p> | + | |discussion=<p><i>Themeda triandra</i> is native to India, Korea, China, and Japan. Many infraspecific taxa have been described in <i>T. triandra</i> and in T. australis, a species that is sometimes included in <i>T. triandra</i>. <i>Themeda triandra</i> subsp. japonica (Willd.) T. Koyama is sold as an ornamental in the Flora region but, in the absence of a treatment that covers both species throughout their range, it is impossible to state how it differs from other members of the complex.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Themeda triandra | name=Themeda triandra | ||
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|authority=Forssk. | |authority=Forssk. | ||
|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_1636.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Andropogoneae | |tribe=Poaceae tribe Andropogoneae | ||
Latest revision as of 18:57, 11 May 2021
Plants perennial. Culms 30-300 cm, erect. Blades to 30 cm long, 1-8 mm wide. False panicles 20-50 cm; sheaths subtending the rame clusters 1.5-3.5 cm, reddish, glabrous or pilose, hairs papillose-based; rames 15-20 mm, with 1 heterogamous spikelet pair. Homogamous spikelets 6-14 mm, glabrous or with papillose-based hairs. Sessile heterogamous spikelets 6-14 mm; calluses 2-4 mm, with rufous hairs; lower glumes mostly smooth, glabrous, apices appressed-pubescent; awns 2.5-7 cm; pedicellate spikelets 6-14 mm, glabrous or with papillose-based hairs. 2n = 20, 21, 22, 24, 40, 60, 70, 80.
Discussion
Themeda triandra is native to India, Korea, China, and Japan. Many infraspecific taxa have been described in T. triandra and in T. australis, a species that is sometimes included in T. triandra. Themeda triandra subsp. japonica (Willd.) T. Koyama is sold as an ornamental in the Flora region but, in the absence of a treatment that covers both species throughout their range, it is impossible to state how it differs from other members of the complex.
Selected References
None.