Effects of Light on the Growth of Luoshuanghong: A Study on Chinese Herbal Medicine

February 3, 2024

Chinese herbal medicine Luoshuanghong is produced in Zhejiang, Jiangxi, Fujian, Sichuan, and other places. It is harvested in summer and autumn and is mostly used fresh. What are the effects of light on the growth of Luoshuanghong?


Image of Luoshuanghong

What are the effects of light on Luoshuanghong?

Luoshuanghong prefers moist and semi-shaded areas, so during the strong sunlight at noon, a shade net should be pulled open to avoid high temperatures caused by intense light, which can affect the growth of Luoshuanghong.

After 4 pm, when the light is weaker, the shade net should be closed.

However, it is necessary to note that the shade net is like a shady shed, providing a comfortable environment for the plants.

Original Plant Morphology of Luoshuanghong

Hardy Ilex, also known as Ilex microphylla, small-leaved Ilex, or fine-hair wintergreen. Deciduous shrub, 1-2m tall. Gray bark; small branches with hard hair or nearly hairless, with obvious lenticels.

Leaves alternate; petioles 6-8mm long; leaf blades membranous, elliptic, rarely ovoid or inverted ovoid, 2-9cm long, 1-4cm wide;

Tapered at the apex, wedge-shaped at the base, with serrate margins, slightly concave on the upper surface of the midvein, convex on the lower surface, with distinct reticulate veins, sparsely covered with hard hair on both sides.

Umbellate inflorescences solitary in leaf axils; male flowers 4-5, pedicels 2.5mm long, calyx diameter 1.5-2mm, calyx lobes triangular, with soft hairs on the outer surface, corolla diameter 4.5-5mm;

Petals oblong, slightly connate at the base, stamens slightly shorter than the corolla; female flowers 4-5, pedicels 2-3mm long, calyx similar to male flowers, corolla diameter 4.5mm, petal ovate, ovary ovoid, stigma disc-like.

Fruit spherical, about 5mm in diameter, red, with 4-5, rarely 1, oblong-shaped, smooth dorsal side, and leathery endocarp. Flowering period is from August to September, and fruiting period is in October.

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