Characteristics and Appearance Description of Osmanthus
This article provides a detailed explanation of the characteristics and appearance description of osmanthus, as well as related topics on osmanthus cultivation from the osmanthus information collection. Corrections are welcome if there are any inaccuracies!
Alias of Osmanthus
Osmanthus, Rock Osmanthus, Nine Mile fragrance, Golden Chestnut
Morphological Characteristics of Osmanthus
Osmanthus is an evergreen tree or shrub with gray-brown bark and yellow-brown young branches, hairless. The leaves are elliptical or elliptical-lanceolate, with acuminate tips. The petioles are 0.8-1.2 cm long, and can be up to 15 cm at most. The corymbs are clustered in the axils, with multiple flowers in each axil. The flowers are extremely fragrant. The corolla is white, light yellow, yellow, or orange-red, 3 to 4 mm long, with a corolla tube only 0.5-1 mm long. The fruit is oblique, elliptical, 1-1.5 cm long, and purplish-black. The flowering period is from mid-September to early October, and the fruiting period is in March of the following year.
Ecological Habits of Osmanthus
Osmanthus prefers a warm and humid environment and has strong resistance to adversity, being able to endure high temperatures and relatively cold conditions. The average temperature of the planting area is between 14-28 degrees. Humidity is extremely important for the growth and development of osmanthus, requiring an annual average humidity of 75%-85%, especially during the juvenile stage and flowering period, where there is a higher demand for water. Drought can affect flowering. Generally, 6-8 hours of sunlight are required daily.
Osmanthus prefers sunlight, with lush growth of branches and leaves and abundant flowering under full sunlight, while growth in shaded areas results in sparse branches and leaves and sparse flowers. Osmanthus likes moisture but dislikes waterlogging, and also has a certain tolerance to drought. It is not picky about soil, except for alkaline, low-lying, or overly heavy and poorly drained soil, and can generally grow in most soil types.
Osmanthus is suitable for planting in well-ventilated and well-lit areas. It prefers a clean and ventilated environment, is not tolerant to smog pollution, and fears waterlogging. If affected by flooding, the roots will turn black and rot, the leaves will first become dry at the tips, then the entire leaf will turn yellow and fall off, eventually leading to the death of the whole plant; it is not very cold-tolerant, but compared to other evergreen broad-leaved species, it is still relatively cold-tolerant.
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