Thalictrum sect. Physocarpum

de Candolle

Syst. Nat. 1: 171. 1817.

Basionym: Undefined sect. Physocarpum (de Candolle) Berchtold & J. Presl
Synonyms: Undefined sect. Sumnera Nieuwland
Treatment appears in FNA Volume 3.

Inflorescenes panicles to nearly corymbs. Flowers bisexual; sepals 5; filaments strongly clavate, petaloid. Achenes long-stipitate.

Distribution

Temperate regions, North America, e Asia

Discussion

Species 45 (2 in the flora).

Selected References

None.

long-stipitate +
Marilyn M. Park +  and Dennis Festerling Jr. +
de Candolle +
cuneate +, truncate +  and cordate +
Undefined sect. Physocarpum +
straight +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
globose;cylindric +
Temperate regions +, 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 +
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 +
Undefined sect. Sumnera +
Thalictrum sect. Physocarpum +
Thalictrum +
section +
herbaceous +  and woody +