Fig. 2 . 1. The pollen has a 3-hole groove and the polar view is 3-shaped and round; 2. and 3. The shape is a long-ball type and pollen size is about (19-17) X (14-16) um. 4. The exine surface has a mesh pattern. The mesh is round (an irregular polygon) and the base particle is occasionally seen on the side of the mesh backbone.
Chinese Woody-elderberry:Sambucus wiiliamsii
This elderberry is a deciduous shrub or small tree, 5-6m high and the old branches are a reddish-brown color with clear oblong lenticels and a pith of hazel color. Pinnate leaves have one to five pairs, the shape is lateral, small and oval, narrowly elliptic to oblong-lanceolate 5-15cm long and 1.2-7cm wide. Leaves have a strong smell if rubbed. Flowers and leaves are growing at the same time with a conical cymes 5-11cm long and 4-14cm wide. With a peduncle, most of the inflorescence branches are at right angles. Fruit is red and rarely blue, violet or black. In the wild, the flowering period is from April to May and the fruit ripening period is from September to October. (Fig 3 and Fig5-2.) We have tested the HPLC for Chinese Woody-Elderberry (Sambucus wiiliamsii) with standard and tested materials. Fig 4.
Geographic Distributions: From Wikipedia, the species is recognized in northeast Asian and from Chinese Words Dictionary the species is recognized in Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Heilongjiang, Hubei, Hunan, Liaoning, Jiangsu, Jilin, Shandong, Shanxi, Shaanxi, Sichuan, Yunnan and Zhejiang, The plants are most commonly found under the forest trees, along ditches, among thickets, on valley slopes, in wetlands and among alpine meadows at about 540-1600 meters above sea level.
Medical uses: Whole plant could be used for medicine in curing rheumatism,removing dampness through diuresis, invigorating the circulation of blood, pain relief,treatment of rheumatic arthralgia and myalgia, treatment of lower back pain, treatment of edema, treatment of pruritus, treatment of urticarial, treatment of postpartum ischemia, treatment of traumatic swelling, treatment of bone fractures or the treatment of traumatic hemorrhages(Compendium of Materia Medica).