Difference between revisions of "Caltha natans"

Pallas

Reise 3: 284. 1776.

Selected by author to be illustrated
Treatment appears in FNA Volume 3.
FNA>Volume Importer
FNA>Volume Importer
(No difference)

Revision as of 19:54, 24 September 2019

Stems leafy, floating or creeping, rooting at nodes. Basal leaves: blade ovate-reniform or cordate, largest 1-2.5 × 1-5 cm, margins nearly entire. Inflorescences 2-6-flowered. Flowers 8-13 mm diam.; sepals white or pinkish, 4-7(-8) mm. Follicles 20-55, widely spreading, sessile, oblong; bodies 3.2-6.5 × 1-2.5 mm; style and stigma curved, 0.1-0.4 mm. Seeds broadly elliptic, 0.5-0.8 mm. 2n=16, 32.


Phenology: Flowering late spring–summer (Jun–Aug).
Habitat: Floating or on moist mud, ponds, lakes, slow-moving rivers and streams
Elevation: 25-1500 m

Distribution

V3 661-distribution-map.gif

Alta., B.C., Man., N.W.T., Ont., Sask., Yukon, Alaska, Minn., Wis., Eurasia.

Discussion

Unlike the other species of Caltha in North America, C. natans is relatively invariable morphologically and has not been divided into segregate taxa.

Selected References

None.

Lower Taxa

None.
... more about "Caltha natans"
Bruce A. Ford +
Pallas +
Alta. +, B.C. +, Man. +, N.W.T. +, Ont. +, Sask. +, Yukon +, Alaska +, Minn. +, Wis. +  and Eurasia. +
25-1500 m +
Floating or on moist mud, ponds, lakes, slow-moving rivers and streams +
Flowering late spring–summer (Jun–Aug). +
Selected by author to be illustrated +
Caltha natans +
species +