Chinese name: Shiyan ginger fern

Latin name: Drynaria roosii

Family: Quercus

Genus: Quercus

Origin: my country's Jiangsu, Anhui, Jiangxi, Zhejiang and other places

1. Morphological characteristics of Shiyan ginger fern

Shiyan ginger fern epiphytic herb. Stems erect 30 cm to 50 cm high, dark brown and slender, often growing on bark or stone walls, leaves two-type, basal sterile. Leaves are rounded and heart-shaped at the base, lobed to one-third of the leaf width. One, margin glabrous and smooth entire, yellowish green or withered brown. Normal fertile leaves have 7 pairs to 10 pairs of lobes, alternately alternate longitudinally, with inconspicuous sparse blunt teeth on the edge, acute or acuminate at the top, slightly wider and triangular at the base, smooth and glossy leaf surface, and obvious midrib. The sporangia are round or oval in shape on the back of the leaf.

2. Habits of Shiyan ginger fern

Shiyan ginger fern is basically distributed in my country. Adapt to the growth environment of half-sunshine, prefer adequate light, warm and humid climatic conditions, suitable growth temperature of 16℃-28℃, not cold-resistant, low temperature state growth is blocked or stopped, not frost-tolerant, frost environment is prone to frost damage, slightly resistant Drought, long-term drought, the leaf color of the plant turns yellow, and the phenomenon of dry scorch and shedding occurs in severe cases. The soil requirements are not strict. It is suitable for growth in loose, fertile, and well-drained epiphytic substrates. Standing water can cause root rot.

3. The value of Shiyan ginger fern

Shiyan ginger fern has ornamental and medicinal value. The ornamental value lies in the large and beautiful plant, which is suitable for viewing in the living room or hanging on the gallery. . The rhizome is used medicinally. The taste of the plant is slightly bitter, acrid and warm. It has the effects of invigorating the kidney and strengthening the bone, promoting blood circulation and relieving pain. , appendicitis, alopecia areata, corns and other diseases, it can be taken orally or externally. Oral use should be taken in conjunction with other pharmacological decoctions, or taken in pills or powders. Sun-dried and ground into powder and applied to the affected area, or the plant can be soaked in wine and wiped. People with yin deficiency and internal heat and no blood stasis should take it with caution.

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