Great blue lobelia

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Lobelia siphilitica

Great blue lobelia, a reference photo
Photo: Eric Hunt · CC BY-SA 4.0 (licence)

Lobelia siphilitica, the great blue lobelia, great lobelia, or blue cardinal flower, is a plant species within the family Campanulaceae. It is an herbaceous perennial dicot native to eastern and central Canada and United States. There are two recognized varieties of Lobelia siphilitica, var. siphilitica and var. ludoviciana. Blooming from August to October, it is short-lived, lasting only for a few years.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

Considered toxic. Public sources list it as such; we have not verified this individually. The note covers its whole genus. Lobeline Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Campanulaceae
Genus
Lobelia
Species
Lobelia siphilitica

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