1b, 2b,3b, 4b, 5b, 7b, 8a, 9b
Group 6: 1b, 5b, 9a, 10b
Ranunculaceae: 1b, 3b, 4b, 5b, 6a
Group 1: 7b, 8b, 9a, 10b
Thalictrum: 1b, 2b, 3b, 4b, 5b, 6a
Thalictrum occidentale
Leaves all linear and basal.
Flowers in a raceme with 2 bracts.
Stamens unequally inserted (connected either halfway to tepal or at base. Superior ovary with 3 carpels, ovules axile.
solitary flower with 1 pistil, 2 sepals, petals in 3's (total 6), and 6 stamen. Perianth campanulate, tepals with single mid vein, and radially symmetric. Superior ovary, axil placentation, and 3 locules. Leaves basal and linear lanceolate.