Structure and development of the ovule in Bromeliaceae
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Resumo
Ovule structure and development are described for twelve species of Bromeliaceae, representing ten genera and all three subfamilies, including all three tribes of the polyphyletic subfamily Pitcairnioideae (Brocchinieae, Puyeae and Pitcairnieae). The characteristic micropylar and chalazal seed appendages of Bromeliaceae are compared with developing structures in the ovules. Chalazal seed appendages have also been reported in the putatively related family Rapateaceae, but they differ in detailed structure, and may have evolved independently in the two families.
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Bromeliaceae, Rapateaceae
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Inglês
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Kew Bulletin, v. 59, n. 2, p. 261-267, 2004.
