Amaranthus Amaranthus, L.
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https://doi.org/10.5281/zenodo.302862 |
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https://treatment.plazi.org/id/1213417E-FF6D-FF6F-C96F-F4AE4394C65D |
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Plazi |
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Amaranthus Amaranthus |
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4. A. retroflexus L. View in CoL View at ENA , Sp. Pl. 991 (1753).
Stems 15-100 cm, erect, lanate in the upper part. Leaves rhombic-ovate. Inflorescences spicate, usually short and dense. Bracteoles 3-6 mm, stout and spinescent, 1 ^-2 times as long as the perianth. Perianthsegments 2-3 mm, linear-cuneate, truncate or obtuse, with short mucro. Fruit dehiscing transversely, feebly muricate. Introduced and naturalized throughout most of Europe. [Al Au Be BI Br Bu Cr Da Ga Ge Gr Ho Hs Hu It Ju Po Rm Rs (B, C, E) Sa Si Su Tu.] (North America.)
A. quitensis Kunth in Humb., Bonpl. & Kunth, Nov. Gen. Sp. 2: 194 (1818). Very like 4 but glabrous or puberulent; inflorescence with numerous distinct lateral branches; perianth-segments with green excurrent midrib. A rare casual recorded from several countries. (South America.)
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Amaranthus Amaranthus
| Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964 |
A. retroflexus
| L. 1753: 991 |