Difference between revisions of "Sagittaria guayanensis"
in A. von Humboldt et al.,Nov. Gen. Sp. 1: 250. 1816.
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|distribution=North America;Mexico;West Indies;tropical regions;Asia;Africa. | |distribution=North America;Mexico;West Indies;tropical regions;Asia;Africa. | ||
| − | |discussion=<p>The name has often been spelled guyanensis (K. Rataj 1972), which is incorrect. Sagittaria guayanensis was the spelling in the protologue. The holotype was collected by Humboldt and Bonpland in Colombia, not Guyana. The type citation is Colombia: Guainia: in wetlands near the sugar mill of Don Felix Farreras and the city of Bolivar. The type is supposedly at Paris, as with all HBK types; however, we (with the help of Alicia Lourteig) have been unable to locate it. MO has a fragment, however. Rataj did designate a neotype: Suriname, Hostman 870 (TCD!). The fragment at MO takes precedence over this neotype.</p><!-- | + | |discussion=<p>The name has often been spelled guyanensis (K. Rataj 1972), which is incorrect. <i>Sagittaria guayanensis</i> was the spelling in the protologue. The holotype was collected by Humboldt and Bonpland in Colombia, not Guyana. The type citation is Colombia: Guainia: in wetlands near the sugar mill of Don Felix Farreras and the city of Bolivar. The type is supposedly at Paris, as with all HBK types; however, we (with the help of Alicia Lourteig) have been unable to locate it. MO has a fragment, however. Rataj did designate a neotype: Suriname, Hostman 870 (TCD!). The fragment at MO takes precedence over this neotype.</p><!-- |
| − | --><p>Sagittaria guayanensis was divided into two subspecies, S. guayanensis subsp. guayanensis from the Neotropics and subsp. lappula (D. Don) Bogin from the Paleotropics. The two subspecies were separated by the shape and size of the fruit in addition to their distribution. Sagittaria guayanensis subsp. lappula has compressed achenes longer than 2.5 mm, whereas subsp. guayanensis has plump achenes shorter than 2.5 mm (C. Bogin 1955).</p><!-- | + | --><p><i>Sagittaria guayanensis</i> was divided into two subspecies, <i>S. guayanensis </i>subsp.<i> guayanensis</i> from the Neotropics and subsp. lappula (D. Don) Bogin from the Paleotropics. The two subspecies were separated by the shape and size of the fruit in addition to their distribution. <i>Sagittaria guayanensis</i> subsp. lappula has compressed achenes longer than 2.5 mm, whereas <i></i>subsp.<i> guayanensis</i> has plump achenes shorter than 2.5 mm (C. Bogin 1955).</p><!-- |
--><p>Subspecies 2 (1 in the flora).</p> | --><p>Subspecies 2 (1 in the flora).</p> | ||
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|publication year=1816 | |publication year=1816 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V22/V22_506.xml |
|genus=Sagittaria | |genus=Sagittaria | ||
|species=Sagittaria guayanensis | |species=Sagittaria guayanensis | ||
Revision as of 15:59, 18 September 2019
Distribution
North America, Mexico, West Indies, tropical regions, Asia, Africa.
Discussion
The name has often been spelled guyanensis (K. Rataj 1972), which is incorrect. Sagittaria guayanensis was the spelling in the protologue. The holotype was collected by Humboldt and Bonpland in Colombia, not Guyana. The type citation is Colombia: Guainia: in wetlands near the sugar mill of Don Felix Farreras and the city of Bolivar. The type is supposedly at Paris, as with all HBK types; however, we (with the help of Alicia Lourteig) have been unable to locate it. MO has a fragment, however. Rataj did designate a neotype: Suriname, Hostman 870 (TCD!). The fragment at MO takes precedence over this neotype.
Sagittaria guayanensis was divided into two subspecies, S. guayanensis subsp. guayanensis from the Neotropics and subsp. lappula (D. Don) Bogin from the Paleotropics. The two subspecies were separated by the shape and size of the fruit in addition to their distribution. Sagittaria guayanensis subsp. lappula has compressed achenes longer than 2.5 mm, whereas subsp. guayanensis has plump achenes shorter than 2.5 mm (C. Bogin 1955).
Subspecies 2 (1 in the flora).