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The taxonomic significance of seed morphology in the Passiflora subgenus Astrophea (Passifloraceae) Acta Botanica
Mezzonato-Pires,Ana Carolina; Mendonça,Cláudia Barbieri Ferreira; Milward-De-Azevedo,Michaele Alvim; Gonçalves-Esteves,Vania.
ABSTRACT The center of diversity for Passiflora subg. Astrophea is in low altitude areas of northern South America. The majority of species of this group are difficult to find in nature. Seed morphology was described in detail for 25 species of Passiflora subgenus Astrophea, a subgenus that until now did not exist. For morphological analysis, 20 seeds per species were measured for length, width and thickness, and the arithmetic means calculated. The seeds varied in length, width and thickness. Eight types of ornamentation were found. The margins varied among crestate, dentate, parted, entire and parted-crestate. The seed apex can be distinguished by the shape and position of the apical appendage. Seed shape varied among obovate, lanceolate, cordiform, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Astrophea; Fruits; Morphological characters; Seeds; Systematics.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000100068
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Lectotypes for species of Passiflora L. (Passifloraceae) described by João Barbosa Rodrigues Acta Botanica
Mezzonato-Pires,Ana Carolina; Milward-de-Azevedo,and Michaele Alvim.
ABSTRACT During taxonomic review of the Brazilian species of the Passiflora subgenus Astrophea and P. subg Decaloba, six names published by the Brazilian botanist João Barbosa Rodrigues were found in need of discussion: Passiflora alliacea, P. amalocarpa, P. cabedelensis, P. hexagonocarpa, P. hydrophila and Tacsonia coccinea. The original illustrations are here designated as lectotypes for P. alliacea, P. amalocarpa, P. cabedelensis (a synonym of P. amalocarpa), P. hexagonocarpa, P. hydrophila (a synonym of P. costata) and Tacsonia coccinea (a synonym of P. spinosa).
Tipo: Info:eu-repo/semantics/other Palavras-chave: Astrophea; Decaloba; Nomenclature; Passifloraceae; Types.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000100134
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Pollen morphology of selected species of Passiflora L. (Passifloraceae) from the Atlantic Forest Acta Botanica
Mezzonato-Pires,Ana Carolina; Mendonça,Cláudia Barbieri Ferreira; Gonçalves-Esteves,Vania.
Pollen grains from twelve species of the Passifloraceae family from the Brazilian Atlantic Forest were analyzed: Passiflora subg. Astrophea (1sp.), P.subg. Decaloba (1sp.) and P.subg. Passiflora (10spp.). The current study aims to acquire additional information and feature the pollen morphology of the herein studied species to help setting a more precise taxa delimitation. Acetolyzed pollen grains were measured, described and illustrated using light and scanning electron microscopy. The pollen grains were medium or large sized, oblate spheroidal, suboblate, prolate spheroidal and subprolate; 4-colpate (P. kermesina), 6-12-pantocolporate (P. mediterranea), 6-colpate (P. mucronata), 6-colporate (P. pentagona), 12-colporate (P. misera) or 6-syncolpate (in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic Forest; Palynotaxonomy; Passiflora; Passifloraceae; Sandbanks.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000300391
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Taxonomic notes on species of Passiflora subgenus Astrophea (Passifloraceae s.s.) Acta Botanica
Mezzonato-Pires,Ana Carolina; Milward-de-Azevedo,Michaele Alvim; Mendonça,Cláudia Barbieri Ferreira; Gonçalves-Esteves,Vania.
ABSTRACT The subgenus Astrophea is one of the most critical and neglected subgenera of the genus Passiflora. Seven Brazilian species of P. subg. Astrophea were found to be in need of typification. Lectotypes are designated for the following names: Passiflora cauliflora, P. leptopoda, P. ceratocarpa, P. faroana, P. rhamnifolia, P. sclerophylla and P. tessmannii. An epitype was also designated for the name P. tessmannii. In addition, Passiflora alliacea was synonymized with Passiflora pentagona.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazilian species; Epitype; Lectotype; Nomenclature; Taxonomy.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000100149
Registros recuperados: 4
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