Heuchera longiflora Rydb.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Saxifragaceae
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Scientific Name
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Description
Species Description - Plants 3–9 dm; scape with small and scale-like or larger and leaf-like bracts; petioles glabrous or minutely glandular-puberulent; lvs round-cordate, glabrous or nearly so, or short-hairy on the veins beneath, often white-mottled, 5–9-lobed, the teeth very broad and flat or barely rounded, mucronate; stems short-hirsute; infl lax, with herbaceous bracts; fls horizontal, distinctly oblique, 7–9 mm on the upper side, 3/4 as long on the lower; sep inflexed, closing the fl, rounded, 2–3.5 mm, separated by narrow sinuses; pet white to pink or purple, inflexed, spatulate, 2–5 mm, often fimbriate; stamens evidently included to barely exserted; styles included 1.5–3 mm (from the cal-tip) at anthesis; 2n=14. Rich woods on limestone substrate; mts. of e. Ky., s. W.Va., and sw. Va. to N.C. and Ala. May, June.
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Common Names
closed-flowered alum-root