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Heuchera richardsonii

Heuchera richardsonii R. Br.

Heuchera hispida auct. non Pursh

Heuchera richardsonii R. Br. var. affinis Rosend. Butters & Lakela

Heuchera richardsonii R. Br. var. grayana Rosend. Butters & Lakela

Heuchera richardsonii R. Br. var. hispidior Rosend. Butters & Lakela

Prairie Alum-root

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderRosalesRose family and eight others
FamilySaxifragaceaeSaxifrage family; means “stone-breaking”
GenusHeucheraNamed for 18th century German physician Johann Heinrich von Heucher
SpeciesrichardsoniiHonors Sir John Richardson (1787-1865), a Scottish naturalist, meteorologist, doctor, cartographer and Arctic explorer

About plant names...

Prairie alum-root is a North American native. The genus, Heuchera,, pronounced HOY-ker-uh, honors German botanist Johann Heinrich von Heucher. The species, richardsonii, honors its discoverer, Sir John Richardson. ”Alum-root” refers to the root’s astringent properties—it contains compounds that can reduce the flow of blood from a cut.

Identification: Plants take the form of a basal rosette—a set of leaves emerging from a central point near the ground. The leaves are slightly lobed into 7-9 palmate sections, with rough irregular edges, up to 3-5" (7.6-12 cm) around. Each leaf is atop its own hairy stem. Leafless flower-bearing stems grow to a height of 24-48" (60-121 cm). They are topped with inconspicuous green or greenish-white flowers, each about 1/8” long. Flowers appear from June to July.

Online References:

Heuchera richardsonii at Illinois Wildflowers

Heuchera richardsonii on Keir Morse's site, Keirosity.com

Heuchera richardsonii at the University of Wisconsin's Robert W. Freckmann Herbarium

Heuchera richardsonii at the Lady Bird Johnson Wildflower Center

Heuchera richardsonii at Minnesota Wildflowers

Heuchera richardsonii on eFloras

Heuchera richardsonii (Prairie Alum-root)

5/15/2010 · Garden in the Woods, Framingham, MA
≈ 21 × 31" (52 × 78 cm)

Heuchera richardsonii description by Thomas H. Kent, last updated 16 Aug 2013.

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Heuchera richardsonii (Prairie Alum-root)

5/15/2010 · Garden in the Woods, Framingham, MA
≈ 4½ × 7" (11 × 17 cm)

Heuchera richardsonii (Prairie Alum-root)

5/15/2010 · Garden in the Woods, Framingham, MA
≈ 17 × 16" (43 × 41 cm)

Range:

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