| Noun | 1. | Nabalus serpentarius - common perennial herb widely distributed in the southern and eastern United States having drooping clusters of pinkish flowers and thick basal leaves suggesting a lion's foot in shape; sometimes placed in genus Prenanthesgenus Nabalus, Nabalus - genus of North American and east Asian perennial herbs; sometimes included in genus Prenanthes herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests | |