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The species can be divided into two "types" that have different characteristics especially with  relation to plants. The typical group, or "Type Brazil "has plants with sheets of abaxial light green, whitish pubescence short and sparse, the fruits have large seeds (0.45 to 0.60 g for 100 seeds). The "Type Uruguay" presents plants with leaves of the abaxial white-gray with dense white pubescence Felt kind, small seeds (0.20 g per 100 seeds) (Santos et al. 2005). 

A second distinction between the types can be made According to the geographical origin of the germplasm. The type of hits Brazil present are found in woods and copses of slopes that characterize the areas of high altitude grassland of southern Brazil, between 1,200 and 1,600 m altitude and above 1,000 m in the Rio Grande do Sul, where frosts and temperatures down to -10 ° C can occur with average annual temperature below or close to 16 ° C and relief favoring the formation of sparse woods and forests Araucaria, regardless of soil type (Santos et al. 2005). 

The plants of type "Uruguay", coming mainly from northern Uruguay, appear in the wooded mountains of southwestern New South Wales and in areas of greater relief from Uruguay, with average annual temperature also at around 16 ° C. However caution must be taken with these proposals, the fact that these ratings were made in the absence of studies on genetic diversity. The few studies have yet to demonstrate to the unequivocal the existence of these types (Santos et al. 2005).

BIBLIOGRAPHY:

1. SANTOS, K. STEINER, N. DUCROQUET, J. GUERRA, M. & NODARI, R. Domestication of the pineapple-guava (Acca sellowiana) in south Brasil. Agrociencia. [serial on the Internet]. 2005. [cited  2011  May  19] ; Vol. IX N° 1 y N° 2  pág. 29 - 33. Available from: http://www.fagro.edu.uy/agrociencia/VOL9/Agrociencia.%20(2005)%20Vol.%20IX%20Num%201%20y%20Num%202.pdf