Tiarella cordifolia L. - Foamflower


 

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Tiarella cordifolia - (image 1 of 7)

 

Taxonomy

Family: Saxifragaceae

Habitat

Rich woods.

Associates

 

 Distribution

Nova Scotia west to Ontario and eastern WI, south to GA, and AL..

Morphology

Rhizomatous perennial herb to 35 cm, typically with long stolons. Leaves broad, palamately veined; basal leaves cordate ovate to subrotund with 3-5 shallow lobes, crenate, sparsely hairy. Flowering stem usually leafless, ending in a raceme to 10 cm long; flowers perfect, 5-merous, barely perigynous with a small hypanthium; pedicels 0.5-1 cm; sepals elliptic-obovate, to 3.5 mm, blunt; petals 3-5 mm, clawed; stamens 10; ovary superior, unilocular; carpels 2, unequal, the larger 10 mm, the smaller often only half as long; fruit thin-walled.

Notes

Flowers April to May

Wetland indicator: Facultative -

The anthers are sometimes bright orange when they first emerge.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2009