Morfologia e anatomia da semente de Balfourodendron riedelianum (Engler) Engler - Rutaceae

Abstract

Foram descritos e ilustrados aspectos morfoanatômicos das sementes de Balfourodendron riedelianum (Engler) Engler, visando a caracterização dos tegumentos, endosperma e embrião. As sementes são elipsóides, pretas, anátropas, endotestais com tégmem reduzido, exariladas e albuminosas. O endosperma possui reserva lipo-protéica. Embrião axial, dominante, branco, com cotilédones carnosos, eixo hipocótilo-radícula curto e plúmula reduzida.

The morphology and anatomy of the seeds of Balfourodendron riedelianum (Engler) Engler were described and ilustrated, emphazing the seed coat and development. The seeds are ellipsoid, black, anatropous, endotestal with reduced inner integument, exarillate and albuminous. The endosperm has a protein grain and lipid storage. The embryo is dominant, axial, and white, with fleshy cotyledons and has short hipocotyl-radicule axis and small plumule.