Abstract
The understanding of the morphology of fruits, seeds and seedlings is very important on the identification and the preservation of species. The work describes and illustrates morphological characteristics of fruits, seeds, germination, and seedlings of Acasia farnesiana. The fruits were collected manually from parent trees selected at random, in the municipality of Sousa State of Paraíba. After collection, they were packed in polyethylene bags and taken to the Seed Analysis Laboratory, Universidade Federal da Paraiba, Areia-PB. Subsequently, evaluations were made of the morphological and morphometric characteristics of fruit, seed germination stages, and seedling. The fruit is of type nucule vegetable, plain, dry, polysemy, glabrous, linear-format wavy and late dehiscence. The seeds are stenospermics, format obovoid, apex rounded, and base slightly rounded. The germination is epigeal - phanerocotyledonal, starting on the third day and may be terminated on the seventh day after sowing. It was possible to describe and illustrate in detail the morphology of fruit, seeds, germination stages, and seedling of the species, considering the characteristics of easy recognition, standardization, rapid achievement, and high probability of establishment in the field. Key words: Vachellia farnesiana, biometry, native species, forest seeds.
Highlights
INTRODUCTIONIs trees or shrub, which belongs to Fabacea family and Acacia genus
Willd. is trees or shrub, which belongs to Fabacea family and Acacia genus
Despite the importance of morphological studies of seedlings, there are a few studies of that in Brazil, especially when it comes to native forest species, like this study was conducted aiming to characterize morphologically fruits, seeds, germination, and seedlings of A. farnesiana
Summary
Is trees or shrub, which belongs to Fabacea family and Acacia genus It has large distribution in tropical and sub-tropical areas all over the world due to its high capacity of adaptation to diverse weather conditions, as well as geographic and altitude conditions, making the adaptation of this species easy in different environments (Erkovan et al, 2013). About the development of seedlings, Cosmo et al (2009) reported that this stadium deserves proper attention, because it can be used to elucidate morphological and anatomical aspects, other than promoting species’ recognition of certain regions in ecological studies In this context, Silva (2012) stated that information about the development stage can be used with great reliability for such purposes, helping the immediate identification of the species. Despite the importance of morphological studies of seedlings, there are a few studies of that in Brazil, especially when it comes to native forest species, like this study was conducted aiming to characterize morphologically fruits, seeds, germination, and seedlings of A. farnesiana
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