Intro: Prostrate annual found in lawns and sandy, rocky, or muddy shores and bars along lakes and rivers. Native of e. Asia that has become naturalized throughout the eastern U.S. and some western states.

Stems: Stems often several from a basal rosette, slender, smooth.

Leaves: Leaves alternate or opposite, short-petiolate with slight wings, oblong-oval, 3/4-2 in. long, coarsely and irregularly toothed; basal leaves often larger and spoon-shaped.

Inforescence:

Flowers: Flowers 2-10 in erect racemes; pale blue to blue-violet; 1/4-1/2 in. long; bilaterally symmetric; tubular, with 2 lips, the lower one longer, projecting, 3-lobed and whitish marked with yellow spots, and the upper one violet. The calyx has 5 prominent, lance-shaped lobes.

Fruits: Fruit a round capsule enclosed by the persistent calyx.

Comments:

Height: 2-7 in.

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description: Prostrate annual found in lawns and sandy, rocky, or muddy shores and bars along lakes and rivers. Native of e. Asia that has become naturalized throughout the eastern U.S. and some western states.

stems: Stems often several from a basal rosette, slender, smooth.

leaves: Leaves alternate or opposite, short-petiolate with slight wings, oblong-oval, 3/4-2 in. long, coarsely and irregularly toothed; basal leaves often larger and spoon-shaped.

inflorescence:

flowers: Flowers 2-10 in erect racemes; pale blue to blue-violet; 1/4-1/2 in. long; bilaterally symmetric; tubular, with 2 lips, the lower one longer, projecting, 3-lobed and whitish marked with yellow spots, and the upper one violet. The calyx has 5 prominent, lance-shaped lobes.

fruits: Fruit a round capsule enclosed by the persistent calyx.

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