American Alumroot

Heuchera curtisii T. & G.; A. Gray, Am. Jour. Sci. 42 : 15. 1841
Heuchera caulescens ^ T. & G. Fl. N. Am. 1 : 578. 1840. Heuchera lucida Schlecht. Ind. Sem. Hort. Hal. 1848 : 8. 1848.
Acaulescent; flowering branches 5-10 dm. high, glabrous below, puberulent above, usually with 1-4 leaves; petioles of the basal leaves 1-1.5 dm. long, glabrous or rarely slightly puberulent ; blades rounded-cordate or reniform, 3-8 cm. broad, round-lobed and with broad mucronate teeth, glabrous or slightly hispidulous above, ciliate on the margins; leaves of the flowering branches short-petioled or the upper subsessile ; blades ovate, acute at the apex, truncate or cordate at the base, with more acute lobes and acute or acuminate teeth ; hypanthium glandular-puberulent, together with the oblong, obtuse sepals 4-6 mm. long; petals purple or pink, usually puberulent, spatulate, slightly exceeding the sepals (or shorter than the sepals in the more leafy form described as //. Curtisii crenata Rydb.; Britt. Man. 482. 1901).
Type locality : Buncombe County, North Carolina.
Distribution : Rich woods, in the mountains from New York to Tennessee and North Carohna.

Heuchera americana L. Sp. PL 226. 1753
Heuchera scapigera Moench, Meth. 674. 1794. Heuchera cortusa Michx. Fl. Bor. Am. 1 : 171. 1803. Heuchera viscida Pursh, Fl. Am. Sept. 187. 1814.
Acaulescent ; flowering branches scapiform, pubescent with short hairs or glabrous, 6-9 dm. high, naked ; petioles 1-2 dm. high, usually glabrous ; leaf-blades rounded-cordate, dull, hirsute beneath especially on the veins, hirsutulous above when young, in age often glabrous, 9-11-lobed with short round lobes and broad mucronate teeth ; inflorescence glandular-puberulent; bracts lanceolate to subulate; hypanthium campanulate, glandularpubenilent, together with the oblong obtuse sepals 3.5-4-, seldom only 3 mm. long, usually somewhat oblique ; petals spatulate, with very short claws, about equaling the sepals, white, pinkish or greenish ; stamens fully 3 times as long as the sepals.
Type locality : Virginia.
Distribution : In dry and rocky woods, from Connecticut and Ontario to Minnesota, south to Alabama and Louisiana.

Heuchera americana
Add to the illustrations: Britt. & Brown, 111. Fl. ed. 2. /. 2177; G. T. Stevens, 111. Guide pi. 60, f. 5.

Heuchera lancipetala Rydb.; Britton, Man. 482. 1901
Acaulescent; flowering stems stout, about 6 dm. long, sparingly short-hirsute, naked; leaf-blades rounded-cordate or reniform, with round lobes and large broad mucronate teeth, perfectly glabrous, except the ciliate margin and the veins beneath ; inflorescence narrower and simpler than in H. atnericana ; hypanthium campanulate, but turbinate at the base, more or less oblique, together with the ovate obtuse sepals 4-5 mm. long; petals white or pink, oblanceolate, acute, about half longer than the sepals ; stamens about twice as long as the sepals.
Type locality : Kentucky.
Distribution : Known only from the type collection.

Heuchera calycosa Small, FL SE. U. S. 504. 1903
Flowering branches scapiform, naked, slender, 5-7 dm. high, glabrous or sparingly puberulent; petioles 1-2 dm. long, usually glabrous; leafblades rounded-cordate, about as long as broad, 5-10 cm. in diameter, obtuse, with 7-9 rounded lobes and very broad, mucronate teeth, sparingly hairy above, glabrous beneath except the veins ; bracts subulate ; branches of the inflorescence and hypanthium glandular-puberulent; the latter with the rounded obtuse sepals about 2.5 mm. long ; petals spatulate, short-clawed, about equaling the
sepals.
Type locality : Mountains of Georgia.
Distribution : Mountains of Georgia, North Carolina and Alabama.

Heuchera americana, or American alumroot (also called Coral bells or Rock geranium), is a small (under 2 ft. high and wide) evergreen perennial native to eastern and central North America in the Saxifrage family.