2001
DOI: 10.1590/s0100-84042001000100012
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Morfo-anatomia e ontogênese do fruto e da semente de Tipuana tipu (Benth.) O. Kuntze (Fabaceae: Faboideae)

Abstract: -(Morphology, anatomy and ontogeny of the fruit and seed of Tipuana tipu (Benth.) O. Kuntze (Leguminosae: Faboideae)). Fruits and seeds of Tipuana tipu were morphologically and anatomically analyzed during development. The origin of the pericarpic wing was elucidated and the hypothesis of the occurrence of polyembriony mentioned in literature was verified. Slides were prepared according to the conventional techniques. The fruit of Tipuana tipu is a typical samara. Its wing originates from the lateral and termi… Show more

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Cited by 13 publications
(20 citation statements)
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References 15 publications
(10 reference statements)
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“…Meristematic activity in Fabaceae is usually associated with the adaxial meristem, as seen in Arachis hypogaea (Russell 1931), Dalbergia nigra (Paoli 1992), Inga fagifolia (Oliveira and Beltrati 1993), Tipuana tipu (Martins and Oliveira 2001), Hymenaea stigonocarpa (Paiva and Oliveira 2004), Schizolobium parahyba (Pietrobom and Oliveira 2004), and Pterocarpus violaceus (Nakamura and Oliveira 2005). An active subadaxial meristem is less frequently observed, but it was noted in the ontogeny of the pericarp of Dalbergia miscolobium, together with slight adaxial meristematic activity (D.D.…”
Section: Discussionmentioning
confidence: 99%
“…Meristematic activity in Fabaceae is usually associated with the adaxial meristem, as seen in Arachis hypogaea (Russell 1931), Dalbergia nigra (Paoli 1992), Inga fagifolia (Oliveira and Beltrati 1993), Tipuana tipu (Martins and Oliveira 2001), Hymenaea stigonocarpa (Paiva and Oliveira 2004), Schizolobium parahyba (Pietrobom and Oliveira 2004), and Pterocarpus violaceus (Nakamura and Oliveira 2005). An active subadaxial meristem is less frequently observed, but it was noted in the ontogeny of the pericarp of Dalbergia miscolobium, together with slight adaxial meristematic activity (D.D.…”
Section: Discussionmentioning
confidence: 99%
“…Kuntze por Martins & Oliveira (2001). A presença desse estrato único e contínuo ao redor da semente leva à indeiscência do fruto, caráter apomórfico segundo Fahn & Zohary (1955).…”
Section: Discussionunclassified
“…Na espécie estudada, verificou-se a fusão filogenética dos feixes ventrais, de modo que, com relação a esse critério, P. violaceus pode ser considerada como filogeneticamente mais avançada que Tipuana tipu (Martins & Oliveira 2001) Tradicionalmente, o desenvolvimento de frutos e sementes é analisado dividindo-se o processo em estádios, iniciativa que começou com estudos de frutos carnosos, especialmente os drupáceos (Lilleland 1930, 1932, 1933, Tukey & Young 1939, Nitsch 1953. Os autores desses trabalhos descreveram três períodos de crescimento, assim caracterizados: no período I, ocorre rápido aumento no tamanho do fruto e tegumentos seminais; no período II, o embrião diferencia-se, embora a velocidade de crescimento do fruto diminua sensivelmente; e o período III é caracterizado pela paralisação do desenvolvimento do embrião e retomada de um ativo alongamento no fruto.…”
Section: Discussionunclassified
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