Thalictrum sect. Omalophysa

Turczaninow ex Fischer & C. A. Meyer

Index Sem. Hort. Petrop. 1: 40. 1835.

Treatment appears in FNA Volume 3.

Inflorescences panicles or racemes. Flowers bisexual; sepals 5; filaments ± dilated. Achenes short-stipitate.

Distribution

North America, e Asia

Discussion

Species 24 (1 in the flora).

Selected References

None.

short-stipitate +
Marilyn M. Park +  and Dennis Festerling Jr. +
Turczaninow ex Fischer & C. A. Meyer +
cuneate +, truncate +  and cordate +
straight +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
globose;cylindric +
North America +  and e Asia +
sessile +  and pedicellate +
showy +  and inconspicuous +
unisexual +
0 cm0 mm <br />0 m <br /> (41 cm410 mm <br />0.41 m <br />) +
stipitate +, sessile +  and aggregate +
falcate;ovoid;obovoid +
compound +  and simple +
whorled +, opposite +  and alternate +
cauline +  and basal +
3-lobed +, linear +, lanceolate +, obovate +  and cordate-reniform +
palmate +  and pinnate +
crenate;entire +
(1-)2-200-flowered +
distinct +
conspicuous +
reduced +
1 +  and 16 +
Index Sem. Hort. Petrop. +
not arillate +  and stalked +
whitish;greenish yellow or purplish +
not persistent +
distinct +
lanceolate +  and reniform or spatulate +
0.1 cm1 mm <br />0.001 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
ribbed +  and veined +
persistent +
Thalictrum sect. Omalophysa +
Thalictrum +
section +
herbaceous +  and woody +