Stems slender, erect, 2 to 5 feet high, branched, especially above, and downy or softly hairy. Leaves alternate, sessile, narrow, pointed at both ends, remotely toothed on the margins, 2 to 4 inches long and one-sixth to one-half of an inch wide. Flowers white or whitish, turning pink with age, very numerous in spikes terminating the stems and branches; each flower somewhat less than one-half of an inch broad; calyx tube with four reflexed lobes; petals four, oblanceolate, somewhat unequal; stamens eight, declined, each slender filament with a small scale at the base; stigma four-lobed, surrounded by a cuplike border. Fruit nutlike, sessile, one-fourth to one-third of an inch long, narrowed at each end, four-ribbed and hairy.

In dry, sandy or waste soil, Quebec to Minnesota, south to Connecticut, Georgia and Arkansas. Flowering from July to September.

Memoir 15 N. Y. State Museum

Plate 148

Biennial Gaura   Gaura biennis

Biennial Gaura - Gaura biennis