Lactuca watsoniana, Trelease
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https://doi.org/10.5281/zenodo.293764 |
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https://treatment.plazi.org/id/90236A28-9C42-F544-FE99-F91E15744DBA |
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Plazi |
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Lactuca watsoniana |
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7. L. watsoniana Trelease View in CoL , Ann. Rep. Missouri Bot. Gard. 8: 127 (1897).
Erect perennial. Stem 30-200 cm. Leaves sinuate-dentate, pruinose, arachnoid-lanate beneath; lower 30x 15 cm, ovate, obtuse, contracted into a winged petiole; upper ovate-lanceolate, sessile, sagittate-amplexicaul. Inflorescence a corymbose panicle. Capitula with c. 8 florets. Ligules pale blue. Achenes 4-6 mm; body ovate, 5- to 8-ribbed, brownish-green with yellowish spots; beak as long as body. Scrub in volcanic craters. • Açores. Az.
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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Lactuca watsoniana
| Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. 1976 |
L. watsoniana
| Trelease 1897: 127 |