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vol.25 issue1-2Fruit, Seed and Seedling Morphology of Platonia insignis Mart. (Clasiaceae). II Morpho-Anatomy of Mature Fruits and SeedsMicroscopical Observation of Mineral Inclusions in Xylem of Tropical Wood author indexsubject indexarticles search
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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.25 no.1-2 Manaus  1995

http://dx.doi.org/10.1590/1809-43921995252053 

BOTÂNICA

MORFOLOGIA DOS FRUTOS, SEMENTES E PLÂNTULAS DE Platonici insignis MART. (CLUSIACEAE). III GERMINAÇÃO E PLÂNTULAS

Fruit, Seed and Seedling Morphology of Platonia insignis Mart. (Clusiaceae). III. Germination and Seedling

Káthia Socorro Mathias MOURÃO 1  

Celia Massa BELTRATI 2  

1Dpto. de Biologia, UEM, Av. Colombo, 5790, Maringá, PR. CEP: 87020-900

2Dpto. de Botânica, IB/UNESP, Caixa Postal: 199, Rio Claro, SP CEP: 13506-900

RESUMO

São apresentados aspectos morfológicos das plântulas em desenvolvimento de Platonici insignis Mart.. A piàntala é criptocotiledonar, hipógea A raiz é axial e no epicótilo, desenvolvem-se 2-5 pares de catáfilos opostos, antes do aparecimento do primeiro par de metáfilos. Estes são simples, de disposição oposta cruzada, elípticos, tendo pecíolos curtos, com duas minúsculas alas; a venação é pinada, camptódroma, fortemente broquidódroma.

Palavras-Chave: Platonici insignis Mart; germinação; plântula

ABSTRACT

Morphological and developmental features of seedlings of Platonia insignis Mart, are here described. The seedling is cryptocotylar, hypogeal. The primary root is axial; opposite scale leaves (cataphylls) precede the foliage leaves (metaphylls) in the epicotyl. The metaphylls are simple, eliptic, decussate, short petiolate; venation pattern is pinnate, camptodromous, and strongly brochidodromous.

Key words: Platonia insignis Mart; germination; seedling

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