为了掌握茂名市区彩叶植物的种类、观赏特性和应用现状，对主要公园绿地、道路绿化及单位附属绿地展开详细调查。结果显示：茂名市区绿地彩叶植物共 41 科 61 属 75 种，以桃金娘科、大戟科、天南星科、百合科、桑科和杜英科植物为主。乔木类 31 种，灌木类 21 种，草本类 23 种，分别占41.33%、28.00%、30.67%，其中新叶有色叶植物 19 种，老叶有色叶植物 18 种，斑色叶植物 20 种，常色叶植物 14 种，双色叶植物有 4 种。在调查研究的基础上，提出茂名市区要增加常见彩叶植物树种数量，优化应用配置和加强养护管理，加大乡土彩叶植物开发力度。

In order to master the species, ornamental characteristics and application status of color-leafed plants in Maoming City, a detailed investigation is carried out on the main park green space, road green space and unit attached green space. The results show that there are 75 species of color-leafed plants belonging to 61 genera and 41 families in the urban green space of Maoming City, mainly Myrtle, Euphorbiaceae, Araceae, Liliaceae, Moraceae and elaeodaceae. There are 31 species of arbors, 21 species of shrubs and 23 species of herbs, accounting for 41.33%, 28.00% and 30.67% respectively. Among them, there are 19 species of new leaf colored plants, 18 species of old leaf colored plants, 20 species of variegated plants, 14 species of constant color plants and 4 species of double color plants. On the basis of investigation and research, it is proposed that the number of common color-leafed plant species should be increased in Maoming City, the application configuration should be optimized, the maintenance management should be strengthened, and the development of native color-leafed plants should be strengthened.

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茂名市科技计划项目（2020556）