1, indus hainanensis
Endangered species of phoenix tree in Hainan. Trees, the height can reach 16m, DBH can reach 45cm, the bark is gray and the branches are smooth. The leaves are ovoid, entire, 7-14cm long and 5-12cm wide, with a blunt or sharp apex, a truncated or slightly shallowly heart-shaped base and hairless top, which is unique to Hainan.
It is distributed in some seasonal rainforests at an altitude of 400-900 meters in Hainan. It is tolerant to shade and grows well in wet and cloudy valleys.
2. Indus yunnanensis
Platanus acerifolia, a deciduous tree, is as high as15m; The trunk is straight, the bark is bluish black and slightly rough; Branchlets stout, pubescent. Leaves palmately 3-lobed, usually wider than, apex acute or acuminate, base heart-shaped, rarely glabrous above, densely covered with short yellow-brown hairs below.
Panicle terminal or axillary, with purplish red flowers; Calyx 5 parted to base, sepals striate or oblong.
Extended data:
Wu Tong is known as Qingtong, Wu Bi, Sapphire and Wu Ting. It is one of the earliest famous tree species recorded in China's state-owned poems. The description of the phoenix tree can be found in the pre-Qin literature "The Book of Songs", while "Elegance Makes People Live, Volume I" has "Feng Huangming Yi, Yu Gaogang. The phrase "Wu Tong was born in the morning sun" became the earliest source of the legend of attracting phoenix in Wu Tong. Later pre-Qin documents, such as Shangshu, Zhuangzi and Lv Chunqiu, all mentioned buttonwood.
Syzygium hainanensis belongs to mixed tropical rain forest. Its geographical location and climate characteristics are hot and humid in summer and autumn, cold and humid in winter and spring, and less rainfall. The soil is red soil or red soil. Shade-tolerant, generally growing in humid areas, often cloudy valleys. It is more concentrated in the stands with moderate canopy density.
Indus is a beautiful ornamental plant with lush foliage, which is an excellent garden tree and street tree. They decorate gardens and houses and are also planted as street trees. Leaves palmately divided into flowers. Summer flowers, monoecious, small, yellow-green, panicles, bright and bright when flowering.
References:
Baidu encyclopedia-Hainan phoenix tree
References:
Baidu Encyclopedia-Yunnan Indus