Data Views Total Plants: 141 CSV Excel PDF , Previous12345678 Show all rows. Paginate rows. Click on column headings to sort table by that column Plant Part All Essential Oil Flower Flower Essent. Oil Fruit Fruit Essent. Oil Leaf Leaf Essent. Oil Plant Root Shoot Shoot Essent. Oil Se Low PPM High PPM StdDev *Reference Vitex agnus-castus Flower -- -- * *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.