Lobelia fistulosa Vellozo 1831

Autor: Rollim, Isis De Mello, Coelho, Guilherme Peres, Miotto, Silvia Teresinha Sfoggia, Iganci, Jo��o Ricardo Vieira, Oliveira, Marcelo Trov�� Lopes De
Rok vydání: 2022
Předmět:
DOI: 10.5281/zenodo.6358631
Popis: 3. Lobelia fistulosa Vellozo (1831: 157) ��� Dortmanna fistulosa (Vell.) Kuntze (1891: 972). Lectotype (designated here):���[icon ined.] ���Syng. Monog.: LOBELIA fistulosa Tab. 157��� (Manuscript Sect. of Torre do Tombo, Lisbon [PT/TT/MSLIV/2778], and later published by Vellozo (Fl. Flumin. Icon. 8: t. 157. 1831). = Lobelia uranocoma Chamisso (1833: 321) ��� Rapuntium uranocomum (Cham.) Presl (1836: 24) ��� Haynaldia uranocoma Kanitz (1878: 142) ��� Dortmanna uranocoma (Cham.) Kuntze (1891: 973). Type:��� BRAZIL. s.d., Sellow s.n. (lectotype, designated here: M! in two sheets [0185353, 0185354]). = Haynaldia organensis var. insignis Kanitz (1878: 143), syn. nov. Type:��� BRAZIL. Minas Gerais: Caldas, Jan 1885, Lindberg 610 (holotype: BR! [BR0000006955168]). Notes:��� Lobelia fistulosa was validly published by Vellozo (1831) as a single analytical plate in his Flora Fluminensis, with the full description published only fifty years later (Vellozo 1881). Since Vellozo���s original collection has disappeared (Bocage 1862, Hamy 1908, Carauta 1973), the only original material eligible for a lectotype selection are the original iconographs. We selected the original plate kept at the manuscript section of the Arquivo Nacional da Torre do Tombo in Lisbon as its lectotype. Along with another original plate kept at Biblioteca Nacional in Rio de Janeiro, it is the only available material while Vellozo was still alive. It is also slightly more detailed than the plate kept at the Biblioteca Nacional in Rio de Janeiro and its published version of 1831. Vellozo���s plate (Vellozo 1831, v. 8: t. 157) perfectly details the growth form, leaf, bracts and flower morphology characteristic of L. fistulosa. The main character allowing for the recognition of the species in the illustration is its large, erect, and conspicuous lanceolate bracts covering the pedicels. The locality description provided by Vellozo (1881), ���habitat medit. Loca humentia ad ripas rivulorum���, corresponds to the municipality of Cunha, state of S��o Paulo (Pastore et al. 2021). Lobelia uranocoma was described by Chamisso (1833) based on a specimen housed at B and collected by Sellow in Brazil. That specimen was unfortunately lost during the World War II, but a photo available from the Field Museum negatives collection shows a specimen with a label by Chamisso containing the species identification, along with details of the species protologue, collector, and the location in ���Brasilia���. Our search for duplicates of this collection led to two sheets housed at M, identified as L. uranocoma and collected by Sellow in Brazil. The specimen M0185354, composed only of some leaves and a basal part of the stem, bears an original loan label from B in Chamisso���s handwriting. The specimen M0185353, composed of an inflorescence and distal part of the stem, bears an M label with the same information copied in someone else���s hand. In accordance with Art. 8.2 of ICN (McNeill 2014), the most parsimonious interpretation of both sheets with the Chamisso analysis is that they represent a single collection sent by B to M. Haynaldia organensis var. insignis was described by Kanitz (1878) in his revision for Flora Brasiliensis. It was based on Lindberg 610, a specimen with no flowers or leaves, thus being the reason, as argued by Kanitz (1878), to describe the taxon as a variety and not as a separate species. The species is currently considered in the synonymy to Lobelia organensis (Rollim et al. 2020). However, analyzing the specimen Lindberg 610, we noticed that its seeds are widely winged, surpassing the seminiferous nucleus, while the seeds of L. organensis have wings proportional to the seminiferous nucleus. Such much larger seeds are more typical of the seeds of L. fistulosa, a species with the sympatric distribution to the specimen collected by Lindberg. The variety H. organensis var. insignis is thus placed here as a synonym of L. fistulosa.
Published as part of Rollim, Isis De Mello, Coelho, Guilherme Peres, Miotto, Silvia Teresinha Sfoggia, Iganci, Jo��o Ricardo Vieira & Oliveira, Marcelo Trov�� Lopes De, 2022, Nomenclatural and taxonomic survey of the South American clade of Lobelia section Rhynchopetalum (Campanulaceae), pp. 45-54 in Phytotaxa 539 (1) on pages 49-50, DOI: 10.11646/phytotaxa.539.1.5, http://zenodo.org/record/6345927
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Databáze: OpenAIRE
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