Abstract
With the aim of evaluating the ornamental quality of herbaceous flowering plants planted to improve the landscape in urban areas, this study established evaluation standards based on their growth and ornamental characteristics, measured differences in their growth under different environmental conditions and calculated their score based on the standards. Herbaceous flowering plants were divided, based on their growth characteristics, into four types - vertical, fan-shaped, semi-spherical and covering types. Measurement items that can express the ornamental characteristics of each plant such as shape, density and color were selected and an equation for calculation was obtained. Three species of each type were selected and changes in their ornamental characteristics under different shading conditions were measured for 7 months. The growth status of plants before and after treating shading was measured and their ornamental value was evaluated using the obtained equation. When the score of the ornamental value of Gaura lindheimeri in its natural habitat is 5points, its ornamental value in the 50% shading environment increased by 2.53 points, and that of Physostegia virginiana in the 80% shading environment decreased by 2.46 points. As such, the evaluation of the quality of green spaces based on the quantified ornamental value of plants is expected to be utilized in differentiating the value of green spaces in different urban spaces.
Published Version
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