Thalictrum sect. Heterogamia
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.
... more about "Thalictrum sect. Heterogamia"
dehiscing +
coiled +
straight +
terminal +
absent +
sepaloid +
absent +
aggregated +
globose;cylindric +
woody +
alternate +
sessile +
small +
abundant +
filiform +
symmetric +
unisexual +
unisexual +
4;10 +
falcate;ovoid;obovoid +
axillary +
absent +
compound +
undivided +
divided +
crenate;entire +
absent +
(1-)2-200-flowered +
hypogynous +
distinct +
absent +
conspicuous +
0;26 +
reduced +
sheathing +
absent +
simple +
petiolate +
Rhodora +
1944 +
woody +
tuberous +
1;many +
petaloid +
spurred +
imbricate +
whitish;greenish yellow or purplish +
not persistent +
distinct +
distinct +
7;30 +
absent +
unarmed +
absent +
persistent +
absent +
Thalictrum sect. Heterogamia +
Thalictrum +
section +
rhizomatous +
perennial +