Privet genus
Latin scientific name: LigustrumL.
English name: Privet
Brief introduction:
Evergreen, semi-evergreen or deciduous, trees or shrubs. Leaves simple opposite, entire, petiolate. Cymose panicles terminal and axillary. Flowers bisexual; Calyx bell-shaped, 4-toothed, irregularly toothed or truncate; Corolla white, subradiate, funnelform or salverform, Corolla tube longer than lobes or subequal, lobes 4, valvate in buds; stamens 2, inserted near Corolla tube throat, enclosed or protruding, locule nearly extroverted; ovary 2-loculed, 2 pendulous ovules per locule, style protruding or included, stigma 2-lobed. Drupe, seeds 1-4; seed coat thin, endosperm fleshy, cotyledons narrowly ovate, radicle short, upward.
About 45 species, distributed in Asia, Europe and Australia. There are about 29 species in China.
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Ligustrum lucidum
[alias] Ligustrum lucidum, ash tree. [source] is LigustrumlucidumAit of Ligustrum lucidum of Oleaceae. The dried fruit becomes hot. [original plant] Ligustrum lucidum is an evergreen shrub or small tree, up to 15 m tall; branchlets glabrous and with obvious lenticels. Leaves opposite, leathery and thick, ovate, elliptic to ovate-lanceolate, 6-15 cm long, apex acuminate, base attenuate or broadly cuneate, bright green above, light green below, all glabrous. Flowering in July and August; panicles.
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Privet leaf rust
Privet, also known as holly, wax bug tree, small evergreen tree, originated in China and Japan. Like light, slightly resistant to shade, like warm and humid, suitable for slightly alkaline soil, slightly resistant to cold, strong resistance to air pollution. Ligustrum lucidum is a commonly used green tree species in courtyard, which can be used as hedge and courtyard greening tree species. Symptoms: round brown disease spots appear on the surface of the susceptible leaves, and gradually sunken, and the corresponding parts of the back of the leaves are raised. The mesophyll of the diseased part is thickened, yellow or purplish red, and many cup-shaped spores are produced on the raised lesion. Sporosporium
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