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Great Blue Lobelia

Lobelia siphilitica (species)

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Lobelia siphilitica, the great blue lobelia, great lobelia, or blue cardinal flower is a plant species within the family Campanulaceae. It is a herbaceous, perennial dicot native to eastern and central Canada and United States. Growing up to three feet tall, it lives in zones 4 to 9 in moist to wet soils. It produces a spike of zygomorphic flowers in the late summer. It blooms from August to October. It is a short lived perennial (with each plant living for only a few years).Although self-compatible, a flower is unable to offer pollen to itself and it must be pollinated by insects (primarily bees in the genus Bombus).

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Range Maps show field notes recorded by Natural Atlas contributors and other datasets via GBIF.org

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