Inflorescences panicles, racemes, or corymbs. Flowers unisexual (rarely also bisexual in T. debile and T. fendleri); sepals 4(-6); filaments filiform (to slightly clavate in T. heliophilum). Achenes sessile to nearly sessile.

Distribution

North America, Mexico.

Discussion

Species 25 (11 in the flora).

Selected References

None.

Lower Taxa

Thalictrum arkansanum, Thalictrum confine, Thalictrum coriaceum, Thalictrum debile, Thalictrum dioicum, Thalictrum fendleri, Thalictrum heliophilum, Thalictrum occidentale, Thalictrum polycarpum, Thalictrum texanum, Thalictrum venulosum