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Brazilian Archives of Biology and Technology

On-line version ISSN 1678-4324


OYAMA, Sayuri de Oliveira; SOUZA, Luiz Antonio de; MUNERATTO, Júnior Cesar  and  ALBIERO, Adriana Lenita Meyer. Morphological and anatomical features of the flowers and fruits during the development of Chamissoa altissima (Jacq.) Kunth (Amaranthaceae). Braz. arch. biol. technol. [online]. 2010, vol.53, n.6, pp.1425-1432. ISSN 1678-4324.

The morphology and structure of the flowers and fruits of Chamissoa altissima (Jacq.) Kunth during the development were analyzed. The plant material was fixed in FAA 50, embedded in historesin and sectioned according to standard techniques. The flowers presented tepals with betalain and homogeneous mesophyll; receptacular nectary; anthers with epidermis, endothecium, one middle layer, and uninucleate tapetum; and monocarpelar ovary with homogeneous mesophyll. The fruit was a circumscissile capsule, presented the same number of cellular layers that the ovary, and possessed subendocarpic sclerenchyma. The seed was bitegmic, exotestal and perispermic.

Keywords : Perianth; stamen; gynoecium; pericarp; seed.

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