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Sagittaria longiloba (Longbarb arrowhead)
Romfh, Peggy

Sagittaria longiloba

Sagittaria longiloba Engelm. ex J.G. Sm.

Longbarb Arrowhead, Flecha De Agua, Long-lobe Arrowhead, Long-barb Arrowhead

Alismataceae (Water-Plantain Family)

Synonym(s): Sagittaria greggii

USDA Symbol: SALO2

USDA Native Status: L48 (N)

Members of the Water-Plantain Family grow in water, in swamps, on muddy banks, or occasionally in wet sand. Each plant has long-petioled leaves in a clump with a flowering stem rising among them. The flowers have 3 green sepals, 3 white or pink-tinged petals, 6 or more stamens, and several pistils. Stamens and pistils may be in separate flowers.


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov


USA: AZ , CA , CO , KS , NE , NM , OK , TX
Native Habitat: Ponds, swamps, ditches, or other wet areas, mainly in south and west Texas

Growing Conditions

Light Requirement: Part Shade
Conditions Comments: Native Americans and early settlers used the tuberous roots as food, calling them duck potatoes or swan potatoes (Kirkpatrick 1992).


Conspicuous Flowers: yes
Interesting Foliage: yes
Deer Resistant: High

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Lady Bird Johnson Wildflower Center - Austin, TX

Additional resources

USDA: Find Sagittaria longiloba in USDA Plants
FNA: Find Sagittaria longiloba in the Flora of North America (if available)
Google: Search Google for Sagittaria longiloba


Record Modified: 2015-10-13
Research By: NPC

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