USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Aquatic and Wetland Vascular Plants of the Northern Great Plains

45. Scrophulariaceae, the Figwort Family

6. Lindernia All. -- False pimpernel

1. Lindernia dubia (L.) Pennell

Small, usually widely branched annual 0.5-2 dm tall, similar to Gratiola neglecta in overall appearance and sometimes confused with it. Leaves simple, opposite, sessile, ovate to elliptic or obovate, 5-30 mm long, 2-10 mm wide, entire to denticulate, narrowed to rounded or cordate at the base. Flowers borne singly in the axils of the leaves, on slender pedicels 0.5-2.5 cm long; calyx regular, comprised of 5 distinct, linear to linear-lanceolate sepals 3-5 mm long; corolla light blue-violet, tubular-campanulate, 4-10 mm long, bilabiate, the upper lip erect, shallowly 2-lobed, the lower lip somewhat deflexed, shallowly 3-lobed, much wider than the upper lip; stamens 2, with a lower pair of filament-like staminodes also present, these inserted at the middle of the corolla tube. Capsule ovoid to ellipsoid, 3.5-6 mm long, membranous. Aug--Sep. Mud flats and shores of temporary ponds and marshes; rare in se ND to occasional in e and c NE; (NH and Que. to ND, s to FL and TX; also on the Pacific Coast, s to S.Amer.). Including L. anagallidea (Michx.) Pennell.
GIF- Distribution Map

Map key

Previous Section -- Limosella aquatica L.
Return to Family -- Scrophulariaceae - The Figwort Family
Next Section -- Mimulus alatus Ait. -- Sharpwing monkey-flower

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:44:16 EST
Sioux Falls, SD [sdww54]