Claytonia virginica L.
Virginia Spring Beauty
CC = 3
CW = 3
MOC = 93
Family - Portulacaceae
Habit - Perennial forb with a globose, brown, tuberous rootstock, this 8-20 mm in diameter and usually deeply positioned.
Stems - Loosely ascending to erect, 1 to several, 5-20 cm long, usually well-developed, sometimes sprawling, glabrous, often reddish in fruit.
Leaves - Basal and a single opposite pair along the stems, glabrous. Basal leaves 1 or few, 6-20 cm long, the blade relatively thick, linear to narrowly oblanceolate or narrowly elliptic (rarely broader), angled or tapered to a sharply pointed tip, long-tapered to an indistinct, short to long petiole, green to dark green, sometimes reddish-tinged. Stem leaves 4-15 cm long, sessile or with a short, indistinct petiole, the blade relatively thick, linear to narrowly oblanceolate or narrowly elliptic, occasionally broader, angled or tapered to a sharply pointed tip, long-tapered at the base.
Inflorescence - Terminal, solitary racemes 4-18 cm long, short- to long-stalked, with 5-18 flowers, all tending to be oriented to a single side of the axis, only the basal 1-2 flower(s) subtended by a membranous to herbaceous bract, this 2-9 mm long, narrowly lanceolate to ovate, more or less sheathing the axis.
Flowers - Relatively long-stalked, the stalk continuing to elongate after flowering, hypogynous Calyces 5-7 mm long, the sepals overlapping, persistent at fruiting, remaining ascending after flowering. Petals 5, 7-14 mm long, white or pinkish-tinged, usually with pink venation, withering after flowering. Stamens 5, the anthers pink. Ovary superior, the style 3-branched above the midpoint.
Flowering - February - May.
Habitat - Forests, prairies, bluffs and ledges, pastures, lawns.
Origin - Native to the U.S.
Lookalikes - Distantly, Thalictrum thalictroides, Hepatica.
Other info. - This delightful springtime ephemeral is very common across Missouri and the eastern half of the U.S., and also ranges into Canada. It is easily recognized with its characteristic flowers and single pair of strap-like stem leaves. The corolla color is quite variable, with some being nearly white with invisible venation, ranging to specimens with highly pronounced pink venation.
Photographs taken at Weldon Spring Conservation Area, St. Charles County, MO, 4-6-2011 and 3-22-2016, and Engelmann Woods Natural Area, Franklin County, MO, 4-19-2014 (SRTurner).