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Species classification of common osmanthus

Hank Schrader
2020-08-31 11:00:03
Four season osmanthus: the tree shape is low, the leaves are close to the vertical state, the flower color is light, from milky yellow to lemon yellow, the flower fragrance is light and not rich. Dangui: evergreen shrub, with reversed leaf margin, orange red flower color, deep, strong smell. Osmanthus: small arbor, lemon yellow to golden yellow in color, with strong fragrance. Silvery osmanthus: small arbor with flat leaves and various colors.

I. guipin population in four seasons

It is clumped and shrubby, with short and dense branches and round crown. The new leaves are dark red, the old leaves are green or yellow green; the leaves are oval, broad and oval, full or sparsely serrated, and the leaf edge is not wavy; the leaves are thin, the mesophyll is slightly raised, and the network vein is obvious. The average petiole is about 1 cm long. The important characteristics are: the angle between the main vein and the lateral vein of the leaf is very large, close to the vertical state. The flower buds of "Siji GUI" are usually solitary or 2-3 overlapped, and they bloom in batches from September to March every year. The flower color is light, from milky yellow to lemon yellow, and the fragrance is not as strong as that of silver, gold and Dan GUIs. The varieties are big leaf four season GUI and small leaf four season GUI. There are four seasons flowering, such as "laurel", "Cinnamomum japonicum", "Buddha top pearl with big leaves", "four seasons laurel with toothed leaves", etc.

Cinnamomum japonicum

II. Variety group of cinnamon

An evergreen shrub, dioecious, with a rounded crown. The bark is light gray, smooth and the pores are sparse. The leaves are leathery, oblong or elliptic, 6-12 cm long and 2.5-5 cm wide; the leaf surface is relatively flat, the leaf margin is reversed, the whole leaf margin, the apex has sparse teeth occasionally, and the base is wide wedge-shaped; the apex is blunt or short pointed; the lateral veins are 8-10 pairs, both sides of the reticulate veins are obvious; the petiole is 8-10 mm long. The flower color is orange red, the Corolla is slightly buckled; the fragrance is light. The flowering period is from late September to early October. It blooms in autumn, with deep color, orange yellow, orange red to vermilion red, strong smell, thick leaves, and varieties such as "Dahua Dangui", "toothed Dangui", "cinnabar Dangui" and "broad leaf red".

Cinnamomum japonicum

III. variety group of cinnamon

Small evergreen tree with round and spherical crown; strong tree, tall and straight branches, very close. The bark is gray, with round or oval lenticels and thick spring shoots, with an average length of 15.9cm; the leaves are dark green, leathery and glossy; the leaves are oval, with uneven surface, and the edge of the leaves is wavy, with obvious reverse curl; the whole edge, even the apex, is serrated; the flowers are yellow, with strong fragrance, not solid. It blooms in autumn with lemon yellow to golden yellow flowers. The varieties are "Dahua Jingui", "Daye Huang", "Huangchuan Jingui", "late Jingui", "Yuanye Jingui", Xianning late GUI, qiugui, yuanbian Jingui, LiuYe sugui, Jinshui, Boye Jingui, etc.

Cinnamomum japonicum

IV. variety group of Yingui

Evergreen small trees, round crown, large branches, dense leaves, good growth. The bark is light gray, with many and large pores, which looks like snowflakes, very obvious. The average length of spring shoots is 15.5cm, and the new shoots are brownish red, which is very striking. The leaves are green or dark green, thick leathery and glossy; they are long oval or oval; the leaves are wide and thick; the leaves are flat; the edges of the leaves are light wavy, anti rolling, with sparse teeth on the whole edge and even on the apex; in the first and middle of September, the Corolla is obliquely spread, the lobes are oval, the color is milky yellow to lime yellow, with strong fragrance; the flowers are not firm after anthesis. In autumn, the flowers are pure white, milky white, yellow white or light yellow. The varieties include broad leaf silver osmanthus, willow leaf silver osmanthus, hard leaf silver osmanthus, seed silver osmanthus, Jiulong osmanthus, early silver osmanthus, late silver osmanthus, Baijie, pure white silver osmanthus and Qingshan silver osmanthus.

Sweet osmanthus

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