Image 10 of 775
WATER LOBELIA Lobelia dortmanna (Campanulaceae) Aquatic. Hairless perennial with slender, hollow and leafless stems. Grows in acid waters of upland and western lakes with gravelly bottoms. FLOWERS are 15-20mm long, the corolla lilac and 2-lipped, the upper with 2 narrow lobes, the lower one with 3 narrow lobes; borne in spikes on slender stalks (Jul-Sep). FRUITS are capsules. LEAVES are narrow and fleshy; in rosettes on lake beds.
- © BOB CHAPMAN/Nature Photographers
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- Contained in galleries