-a-m. Bixa orellana -a. branch bearing flowers; b. branch bearing fruits; c. flower, upward view; d. detail of petal surface; e. flower, downward view; f. flower, side view; g. flower, side view, without sepals and petals, highlighting the pedicel nectaries; h. anther; i. gynoecium; j. immature fruit, longitudinal cut; k. immature seeds; l. opened fruit; m. mature seeds. (Photos: a-l. Danilo Alvarenga Zavatin).

-a-m. Bixa orellana -a. branch bearing flowers; b. branch bearing fruits; c. flower, upward view; d. detail of petal surface; e. flower, downward view; f. flower, side view; g. flower, side view, without sepals and petals, highlighting the pedicel nectaries; h. anther; i. gynoecium; j. immature fruit, longitudinal cut; k. immature seeds; l. opened fruit; m. mature seeds. (Photos: a-l. Danilo Alvarenga Zavatin).

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The present study is part of the Flora of Espírito Santo project and aimed to survey and describe the morphological diversity of species of Bixaceae from Espírito Santo state, Brazil, as well as to provide data on geographical distribution, biology, and habitat of these species. To do so, fieldwork was carried out in several areas of Espírito Santo...

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