Dendrobium nobile

Dendrobium nobile

HarbaDendroliiNobilis

Dendrobium stem

[alias] jinchaishi, bianjinchai, bianhuangcao, biancao.

[source] the stem of Dendrobium obile Lindl.

[plant morphology] is perennial herb. The stem is tufted, the upper part is slightly flat and slightly curved, the height is 10-60cm, the thickness is 1.3cm, with grooves, the node is slightly thick, and the base is narrow. The leaves are nearly leathery, oblong or oblong, 6-12cm in length and 1-3cm in width, 2-lobed at the apex, with or without leaves at flowering. There are 1-4 flowers in raceme, large, drooping, 8cm in diameter, white perianth with light purple, and purplish red at the apex; labellum obovate, oblong, 4-4.5cm long, 3-3.5cm wide, with a purple spot on the labial disc; anthers are 2-locular, and pollens are 4. Capsule. The flowering period is from April to June.

Born in forests, trees and rocks. It is mainly produced in Sichuan, Guangxi, Yunnan and Guizhou.

[harvesting] it can be harvested all year round, especially in late spring, early summer and autumn. After boiling, steaming or roasting, it can be dried or dried or used fresh.

[character] the stem is cylindrical in the lower part, oblate in the middle and upper part, slightly zigzag and slightly zigzag, 18-50cm in length, 4-12mm in diameter, and 1.5-6cm in internode length. The surface is golden yellow or greenish yellow, the base is glossy, with longitudinal grooves and lines, the nodes are swollen and brown, and there are alternate peduncles and residual membranous leaf sheaths on the nodes. It's light and crisp. It's light and crisp. The fresh stem is green with good quality. It tastes bitter.

[chemical constituents] the stem contains alkaloids, mainly including dendrobine, nobilonine and 6-hydroxydendrobine.

Cold in nature, sweet, light and slightly salty in taste.

[indications] nourishing Yin, clearing heat, generating fluid and relieving thirst. It is used for heat disease, thirst, dryness of tongue, deficiency heat after disease, stomach disease, retching, glossy tongue and less coating.