This beautifully illustrated guide presents a carefully curated collection of 20 plant species native to Hong Kong, with scientific, detailed pen and ink illustrations and morphological descriptions, providing important reference materials for species authentication. Of the 20 species selected, 15 are rare and endangered species, making this guide of special importance for plant preservation in Hong Kong, as well as for botanists, plant lovers, and illustrators. This is the first volume of Shiu?Ying Hu Herbarium Scientific Illustration Series.