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Lobelia siphilitica var. siphilitica (Great blue lobelia)
Reveal, James L.

Lobelia siphilitica var. siphilitica

Lobelia siphilitica L. var. siphilitica

Great Blue Lobelia

Campanulaceae (Bellflower Family)

Synonym(s):

USDA Symbol: LOSIS2

USDA Native Status: L48 (N), CAN (N)

 

From the Image Gallery

34 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 4 feet tall.

Bloom Information

Bloom Color: Blue
Bloom Time: Jul , Aug , Sep

Distribution

USA: AL , AR , CT , DC , DE , GA , IL , IN , KY , MA , MD , ME , MI , MN , MO , MS , NC , NH , NJ , NY , OH , PA , SC , SD , TN , VA , VT , WI , WV
Canada: NS

Benefit

Warning: POISONOUS PARTS: All parts. Toxic only if eaten in large quantities. Symptoms include nausea, vomiting, diarrhea, salivation, exhaustion and weakness, dilation of pupils, convulsions, and coma. Toxic Principle: Alkaloids lobelamine, lobeline, and others, plus a volatile oil. (Poisonous Plants of N.C.)
Conspicuous Flowers: yes

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Lobelia siphilitica var. siphilitica in USDA Plants
FNA: Find Lobelia siphilitica var. siphilitica in the Flora of North America (if available)
Google: Search Google for Lobelia siphilitica var. siphilitica

Metadata

Record Modified: 2022-11-14
Research By: TWC Staff

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