Thalictrum sect. Heterogamia

(de Candolle) B. Boivin
Rhodora 46: 432. 1944.
Basionym: Heterogamia de Candolle Syst. Nat. 1: 172. 1817 (as Heterogama)
Treatment appears in FNA Volume 3.

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.