Isaac Henry Burkill

Dioscorea esculenta is a species of flowering plant in the family Dioscoreaceae. It is sometimes referred to by the common name lesser yam, and is native to Island Southeast Asia and introduced to Near Oceania and East Africa by early Austronesian voyagers. This yam is grown for its edible tubers, though it has smaller tubers than the more widely-cultivated Dioscorea alata and is usually spiny.

Citrus glauca, commonly known as the desert lime, is a thorny shrub or small tree native to Queensland, New South Wales, and South Australia. The 1889 book The Useful Native Plants of Australia records the common names native kumquat and desert lemon.

Salix fargesii (川鄂柳), the Farges willow, is a species of flowering plant in the willow family (Salicaceae), which is native to Gansu, Hubei, Shaanxi, and Sichuan in China. It inhabits mountainous areas at 1,400–1,600 m (4,600–5,200 ft). Growing to 3 m (9.8 ft) in height, it is a spreading deciduous shrub with prominent new green growth which turns a shiny brown in its second season. Bright red buds appear in winter, followed by erect catkins. The leaves are glossy green on the upper (abaxial) surface, and dull grey on the lower (adaxial) surface. It has gained the Royal Horticultural

Alnus cremastogyne is a species of flowering plant in the genus Alnus. It is found in China. The deciduous tree Alnus cremastogyne grows quickly and is remarkably good at fixing nitrogen. Beyond its ability to produce wood and its ecological relevance, it is valuable since it is one of the preferred intercropping species that is well accepted for its ability to improve soil. Furthermore, it often acts as a pioneer species, especially in regions impacted by occurrences like the landslides caused by the Wenchuan earthquake. These days, A. cremastogyne is grown in many different places, such as

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Dioscorea fordii is a herbaceous vine with oppositely arranged leaves and large, starchy rhizomes which grow vertically into the soil. It is indigenous to the Fujian, Guangdong, Guangxi, Hunan, and Zhejiang provinces of China, where it is typically found in forest areas or on disturbed ground beside roads or rivers. The species is cultivated in China for food and as use in traditional Chinese medicine. Compared with the well known Chinese yam, Dioscorea polystachya, D. fordii exhibits a higher starch content, but a lower protein content. Nutrient composition of the rhizome of the plant was

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