Yang Siyuan

Cycas panzhihuaensis is a rare and vulnerable species of cycad known in the wild only from Sichuan and Yunnan provinces in China. It can be seen at the South China Botanical Garden in Guangzhou and is also cultivated for horticulture, where it is often known as the Dukou sago palm.

Cycas multipinnata (or Epicycas multipinnata), common name Royal Sago, is a species of cycad of the Sago Palm Family (Cycadaceae) in southwestern China and northern Vietnam. It is one of the tuberous species which some taxonomists segregate as the genus Epicycas, and has the longest leaf stalks (petioles) of any Gymnosperm; up to 3.4 metres (11 ft). Cultivated plants have had petioles as long as 4 m (13 ft). The total length of the bipinnate frond can be up to 7 m (23 ft). Uniquely, the ultimate pinnules are Y-shaped. This very conspicuous plant somehow escaped notice until 1994. Among

Paralysimachia xueshanensis is a species of flowering plant in the primula family, Primulaceae. It is endemic to Yunnan province of south-central China. It is the sole species in genus Paralysimachia.

Paralysimachia xueshanensis is a species of flowering plant in the primula family, Primulaceae. It is endemic to Yunnan province of south-central China. It is the sole species in genus Paralysimachia.

Visit the page for more details.

Visit the page for more details.

Cycas hongheensis is a species of cycad endemic to Yunnan, southern China. It is found in Gejiu and Shiping County (near Nujie 牛街镇). It is also found in Dawei Mountain Nature Reserve. Only two wild populations remain, both with fewer than 1,000 individuals.