The root extracts of astragalus may be used in soups, teas or sold in capsules. Some astragalus species may contain high levels of selenium, possibly causing toxicity. The fibula articulates with the calcaneum, and the astragalus articulates with the cuboid bone. The herbs indicated as being hepatotoxic included "Dictamnus dasycarpus", "Astragalus membranaceous", and "Paeonia lactiflora". PVL 2472 compromises one cervical vertebra, tibia and astragalus. The largest of these is currently the legume genus "Astragalus" (milk-vetches), with over 3,000 species. The astragalus and calcaneum (ankle bones) are unfused. Some species of "Astragalus" (milkvetch) are also referred to as locoweed. The largest flowering plant genus, "Astragalus", contains over 3,000 species. Another unique feature is the lack of a large medial condyle on the astragalus. Astragalosides are a series of related chemical compounds isolated from "Astragalus membranaceus". Another possible pathology is found in the astragalus (ankle bone) of "Cryolophosaurus". The astragalus and calcaneum, the upper ankle bones, are fused just as in "Bambiraptor". There is no foramen (hole) on the suture between the astragalus and calcaneum. The other locoweed genus is the closely related "Astragalus".