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Species Image Gallery (opens in a new window) |
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| THE PONDWEED FAMILY | |||||||||
| The pondweeds grow in the water. Most species have submersed and floating leaves. The leaves are alternately arranged on the stem and have membranous stipules. The inflorescences are spike-like with the flowers in whorls. Each flower has four greenish tepals and four stamens. The fruit can be fleshy or dry. | |||||||||
| NARROWLEAF PONDWEED | |||||||||
| LATIN NAME: Potamogeton strictifolius | |||||||||
| WHAT DOES IT LOOK LIKE? | |||||||||
| Narrowleaf pondweed grows as long as 90 cm in shallow water. The stem is round and slender and lacking spots. There may be greenish to brown or gold glands where the leaves meet the stem. The leaves are all underwater and are spirally arranged. The base of the leaf is not lobed or clasping. The stipules are free from the blade and whitish in colour. The flowers are in spikes that stick out of the water. The flowers are small and green. | |||||||||
| WHERE DOES IT GROW? | |||||||||
| Narrowleaf pondweed grows in shallow water of protected lake bays, ponds, and slow streams. | |||||||||
| WHERE IS IT FOUND IN SASKATCHEWAN? | |||||||||
| This plant is found in central to southern Saskatchewan in the Cypress Upland, Mixed Grassland, Moist Mixed Grassland, Boreal Transition, and Mid-Boreal Upland ecoregions. | |||||||||
| WHY IS IT RARE? | |||||||||
| Narrowleaf pondweed is threatened because it is rare or uncommon in Saskatchewan. No immediate threats known but may occur in the future. | |||||||||
| HOW TO IDENTIFY NARROWLEAF PONDWEED | |||||||||
| * Are the leaves all underwater? * Are the stipules whitish in colour? * Are the flowers greenish and in spikes? * Did you find in a water body in southern to central Saskatchewan? | |||||||||
If you answered yes to all of these questions, you may have found narrowleaf pondweed! |
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