21. This perennial herb produces a cluster of stems from an underground caudex . 22. This caudex branches into stems underground and has been called a rhizome. 23. It has a branching caudex and stems just a few centimeters long. 24. These geophytic trunks are caudexes , enlarged stems or trunks that store water. 25. The leaves form a basal rosette about the caudex . 26. This is a perennial herb growing from a slender taproot and caudex unit. 27. It is a perennial herb growing from a thick taproot and caudex unit. 28. This herb arises from a woody caudex attached to the thick root system. 29. This perennial herb grows a few centimeters tall from a taproot and caudex . 30. This plant is a perennial herb producing several erect stems from its caudex .
