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Northern Prairie Wildlife Research Center

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Aquatic and Wetland Vascular Plants of the Northern Great Plains

45. Scrophulariaceae, the Figwort Family

1. Agalinis Raf. -- Gerardia

2. Agalinis tenuifolia (Vahl.) Raf

Slender, erect plant (0.5)1-5 dm tall, usually branched. Leaves spreading to arched-ascending, linear, 1-5 cm long, 1-3 mm wide, acute, scaberulous on the upper surface; fascicles of smaller leaves present or not. Pedicels ascending to spreading, filiform, 8-20 mm long, longer than the calyx. Calyx 3.5-5.5 mm long, the lobes 1-2 mm long; corolla 8-15 mm long, the lobes 3-5 mm long. Capsule globose, 4-6 mm in diameter; seeds 0.7-0.9 mm long. Aug--Sep. Wet meadows, low prairie, shores, stream banks and ditches, usually where sandy; frequent from e and c ND, s to NE (and reportedly e WY); (ME to Man., s to FL, TX and e CO). Gerardia tenuifolia Vahl.
GIF- Distribution Map

Map key

Previous Section -- Agalinis purpurea (L.) Penn.
Return to Family -- Scrophulariaceae - The Figwort Family
Next Section -- Bacopa rotundifolia (Michx.) Wettst.

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