Fěi, initial f, final ei, three tones.

Zizi, initial Z, vowel I, softly.

Interpretation: the name of Chinese medicine. It is the dried and mature seed of torreya grandis. Taxodiaceae. Harvest seeds in autumn, remove fleshy aril, wash and dry in the sun.

Extended data physiological characteristics:

The product is oval or rectangular, 2 ~ 3.5 cm long and 65438 0.3 ~ 2 cm in diameter. The surface is grayish yellow or yellowish brown, with longitudinal wrinkles, one end is blunt and round, oval hilum can be seen, and the other end is slightly pointed.

The seed cortex is hard and about 65438±0mm thick. The grain surface is shriveled, the outer endosperm is gray-brown and membranous; The endosperm is yellowish white, fatty and oily. Slight breath, slightly sweet and slightly astringent taste.