Sagittaria latifolia
Most common of all arrowheads, and highly variable in leaf shapes
Sagittaria latifolia broadleaf arrowhead
Wapato is the most common species of arrowheads and is a prevalent plant on lake and pond margins throughout the state. It is a rooted, emergent native perennial. Flowering stalks arise directly from a large, starchy corm. Arrangement of the flowers in whorls of 3 and 3 roundish petals is typical of the arrowheads.
Habitat & Range
Grows in lakes, ponds, stream edges; swamps and marshes.
Present throughout the state.
| EMP: | OBL |
|---|---|
| NCNE: | OBL |
Phenology
Flowers from July to early September.
Characteristics
Leaves arrow-shapes with two backward-pointing basal lobes. The width of the blade and lobe varies, ranging from vary narrow to broad, this variation can occur on the same plant.
Flowering stalks have up to 15 whorls 3 flowers each, with female whorls occurring on the bottom and males ones on the top. Flowers are white in color.
Fruiting heads round to slightly flattened, achenes are tiny with a beak at a 90-degree angle to the fruit.
Plant Codes
S-rank: No rank
G-rank: G5 (Secure)
Sagittaria latifolia broadleaf arrowhead
