Chrysophyllum gonocarpum (Mart. & Eichl.) Engl. (Sapotaceae) is a type of
economical, landscape and ecological importance. Basic information about the
biology and forestry of this species are still incipient and they need confirmation.
Therefore, with this work we intended to contribute for the understanding of
phenologyc aspects, morphology of the flower, fruit, seed, germinative process and
plantule, besides the ontogenesis and germination of the seeds. The study was
accomplished from September,2004 to November,2005 on field, in the Municipal
district of Frederico Westphalen, Rio Grande do Sul State, and in laboratory
conditions, of Forest Seeds and of Structural Botany at Federal University of Paraná..
The obtained data don't differ basically of the general description given by other
authors, however, in this study the bloom period was observed, which happens from
September to December, and the fructification from May to November in the area of
High Medium Uruguay, Rio Grande do Sul state. There is a variation in the number of
seeds per fruit and size of the fruit and seeds, and the seed has oval shape, with oily
endosperm, above ground plant germination and a kind of fanerocotiledonal
plantules. Anatomically, the study detaches two new information about the species,
where the seed is formed by a single embryo with a kind of Cariofilaceo
development, and in the hilar area the parenquimatic fabric sclerose itself totally,
diverging from other authors that described the embryo with a kind of Chenopodiaceo
development and hilar parenquimatic area for the family. And about the germinatives
characteristics it was observed that there is no presence of tegumentar numbness
in the seed, which, maybe it is recalcitrant, besides having slow and disuniform
germination. The data obtained allow practical application in germination tests,
production of seedlings, studies of natural regeneration, taxonomic works, ecological,
of handling, conservation and phylogenetic.
