ash leaf half set 3D print model

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Fraxinus /frak-si-nəs/, English name ash, encompasses a diverse group of flowering plants belonging to the olive and lilac family, Oleaceae. This expansive genus comprises 45-65 species of generally medium to large trees, primarily deciduous in nature, although some subtropical species retain their leaves year-round. The distribution of Fraxinus spans much of Europe, Asia, and North America, where the trees thrive across various landscapes. The origin of the tree's English name ash can be traced back to Old English "æsc," a term linked to the Proto-Indo-European word for ash, reflecting the language's ancestral connection to the plant. Meanwhile, the genus name Fraxinus originates from Latin, itself derived from a Proto-Indo-European term signifying birch, while sharing linguistic roots with the concept of spear. In both English and Latin, the terms "ash" and "spear" hold connotations beyond botanical meaning due to ash's durable wood, valued for crafting arrow shafts. Leaves typically appear opposite each other, occasionally in whorls of three or more; they often display pinnately compound structures with some exceptions. Fraxinus seeds, widely recognized as keys or helicopter seeds, constitute a type of fruit known as samara, dispersed through the air thanks to winged protrusions. Approximately 60% of all Fraxinus species exhibit dioecious characteristics, sporting distinct male and female reproductive organs. While traditional taxonomy recognizes ash plants strictly by sex, in practice these categories tend to exist on a continuum where unisex and predominantly female specimens hold greater presence over time as their plant maturity advances. When cultivated in ornamental settings where both male and female ashes coexist, this combination leads to noticeable seed dispersal contributing heavily to an unpleasant litter buildup around such spaces. Meanwhile, species within the distinct genus Sorbus may be easily confused with Fraxinus due to superficial similarities, especially since Rowan or mountain ash bears striking resemblance with genuine Fraxinus varieties albeit lacking true affiliation within this exact botanical line-up in rose family.