Thalictrum fendleri is a species of flowering plant in the buttercup family known by the common name Fendler's meadow-rue It is named in honor of Augustus Fendler. Thalictrum fendleri is a perennial herb growing erect to 1â2 metres (3.3â6.6 ft) tall. The hairless stems are green to purple in color. The leaves have compound blades divided into a few or many segments of varying shapes, often with three lobes, and are borne on long, slender petioles. The blades are hairless to slightly fuzzy and glandular.
In warmer or drier areas it may go dormant in summer and die back to the ground, as some ferns do, but should recover with normal watering.
While water and fertilizer may be a cost you are willing to bear for outrageous blooms, they have unique consequences in an oak grove. Summer water and fertilizer under an oak is potentially lethal and definitively destructive to Oak health. Ironically, not only the oaks suffer.
Although no records of toxicity have been found for this plant, it belongs to a family that includes many poisonous plants so some caution is advised. Mixed evergreen and oak forests, mainly below 750 metres in California[71].
