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The genus Letrouitia is newly recorded for Cambodia, including the four species as L. domingensis, L. leprolytoides, L. sayeri, and L. subvulpina. A brief description and illustrations are provided.
Two new chalcones, 2',3,4,4'-tetrahydroxy-2-prenylchalcone (1) and 3-methoxy-2',4,4'-trihydroxy-2-prenylchalcone (2), together with two known compounds, munsericin (3) and 3,4-dihydroxylonchocarpin (4), were isolated from the ethanol extract of the whole plant of Shuteria sinensis. Their structures were identified by spectroscopic analysis methods, such as… (More)
Salvia yunnanensis is a habitually used medicinal plant in Yunnan. It distributed widely over the southwest China, and its contents of tanshinone II-A and protocatechuic aldehyde are higher than those of Salvia miltiorrhiza. Therefore, S. yunnanensis is one of the best resources of the medicinal plant.