Commelina polyspatha Wight
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2025
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| author | Pellegrini, Marco O. O. Cornejo, Xavier Morais, Isa Lucia De De Almeida, Rafael F. Michelan, Thaisa S. |
| author_facet | Pellegrini, Marco O. O. Cornejo, Xavier Morais, Isa Lucia De De Almeida, Rafael F. Michelan, Thaisa S. |
| contents | <p><b><i>Commelina polyspatha</i> Wight</b></p><p><i>Commelina polyspatha</i> Wight (Wight 1853: pl. 2066). – <i>Trithyrocarpus polyspatha</i> (Wight) Hassk. (Hasskarl 1866: 211), <b>Syn</b>. <b>nov</b>.</p><p><b>Type material</b></p><p>INDIA – <b>Bolamputty Mountains</b> • near Coimbatore; Nov. 1852; fl., fr.; <i>R. Wight s.n.</i>; lectotype: K [K000794525]!, <b>designated here</b>; isolectotype: K [K000794526]! pro parte, material on the upper half of the sheet.</p><p><b>Accepted species</b></p><p><i>Commelina paludosa</i> Blume.</p><p><b>Remarks</b></p><p><i>Commelina polyspatha</i> represents a synonym of the Asian <i>C. paludosa</i> and is thus excluded from the Neotropical gem-fruited species. As aforementioned, this species presents a vestigial and flowerless upper cincinnus, capsules 3-valved, with 1-seeded locules, seeds with smooth testa, embryotega lateral, and hilum curved. These characters make it very similar to <i>C. scabrata</i>, which, aside from the obvious intercontinental disjunction, can be differentiated by its paired petals limb with a cuneate base and white claw, antherodes with upper lobes very widely obovate and larger than the lower, lower lobes widely oblong to subquadrangular, unequally 2-valved prismatic capsules with verrucose walls, and seeds with ornate testa. Nonetheless, we have yet to be able to confirm if the capsules of <i>C. paludosa</i> (as well as the closely related <i>C. maculata</i> Edgew.) also present ventral valves that only split up to mid-length. Further studies are necessary to elucidate the relationship and morphological differences between the Palaeotropical <i>C. maculata</i> and <i>C. paludosa</i> and the Neotropical <i>C. bambusifolia</i> and <i>C. scabrata</i>.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17206679 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
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| spellingShingle | Commelina polyspatha Wight Pellegrini, Marco O. O. Cornejo, Xavier Morais, Isa Lucia De De Almeida, Rafael F. Michelan, Thaisa S. Biodiversity Taxonomy Plantae Tracheophyta Liliopsida Commelinales Commelinaceae Commelina Commelina polyspatha <p><b><i>Commelina polyspatha</i> Wight</b></p><p><i>Commelina polyspatha</i> Wight (Wight 1853: pl. 2066). – <i>Trithyrocarpus polyspatha</i> (Wight) Hassk. (Hasskarl 1866: 211), <b>Syn</b>. <b>nov</b>.</p><p><b>Type material</b></p><p>INDIA – <b>Bolamputty Mountains</b> • near Coimbatore; Nov. 1852; fl., fr.; <i>R. Wight s.n.</i>; lectotype: K [K000794525]!, <b>designated here</b>; isolectotype: K [K000794526]! pro parte, material on the upper half of the sheet.</p><p><b>Accepted species</b></p><p><i>Commelina paludosa</i> Blume.</p><p><b>Remarks</b></p><p><i>Commelina polyspatha</i> represents a synonym of the Asian <i>C. paludosa</i> and is thus excluded from the Neotropical gem-fruited species. As aforementioned, this species presents a vestigial and flowerless upper cincinnus, capsules 3-valved, with 1-seeded locules, seeds with smooth testa, embryotega lateral, and hilum curved. These characters make it very similar to <i>C. scabrata</i>, which, aside from the obvious intercontinental disjunction, can be differentiated by its paired petals limb with a cuneate base and white claw, antherodes with upper lobes very widely obovate and larger than the lower, lower lobes widely oblong to subquadrangular, unequally 2-valved prismatic capsules with verrucose walls, and seeds with ornate testa. Nonetheless, we have yet to be able to confirm if the capsules of <i>C. paludosa</i> (as well as the closely related <i>C. maculata</i> Edgew.) also present ventral valves that only split up to mid-length. Further studies are necessary to elucidate the relationship and morphological differences between the Palaeotropical <i>C. maculata</i> and <i>C. paludosa</i> and the Neotropical <i>C. bambusifolia</i> and <i>C. scabrata</i>.</p> |
| title | Commelina polyspatha Wight |
| topic | Biodiversity Taxonomy Plantae Tracheophyta Liliopsida Commelinales Commelinaceae Commelina Commelina polyspatha |
| url | https://doi.org/10.5281/zenodo.17206679 |