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Elodea canadensis, sometimes called American or Canadian water weed or pond weed, is widely known as the generic water weed. The use of these names causes it to be confused with similar-looking plants, like Brazilian elodea (Elodea densa) or hydrilla (Hydrilla verticillata). American water weed is an attractive aquarium plant and is a good ...
The crushed foliage has a strong musty smell. Below the leaf stems the plant has glands that produce a sticky, sweet-smelling, and edible nectar. The flowers are pink, with a hooded shape, 3 to 4 cm (1 + 1 ⁄ 4 to 1 + 1 ⁄ 2 in) tall and 2 cm (3 ⁄ 4 in) broad; the flower shape has been compared to a policeman's helmet.
A leaf of pink water-speedwell, showing the indistinct serrations. The inflorescences arise from the leaf bases, usually in opposite pairs. Each one can have up to 50 flowers on short (5 mm) pedicels, which are typically shorter than the bracts that subtend them. The flowers are up to 10 mm in diameter, bisexual, with 4 pink corolla lobes ...
The first step to removing weeds from your lawn and garden is identification. Learn about 20 common types of weeds and how to treat them.
It is dioecious, with male and female flowers on different plants. The flowers have three small white petals; male flowers have 4.5–5 mm petals and nine stamens, female flowers have 2–3 mm petals and three fused carpels. The fruit is an ovoid capsule, about 6 mm long containing several seeds that ripen underwater. The seeds are 4–5 mm ...
One of the fastest-growing plants known, water hyacinth reproduces primarily by way of runners or stolons, which eventually form daughter plants. Each plant additionally can produce thousands of seeds each year, and these seeds can remain viable for more than 28 years. [ 6 ]
Discover 20 common types of lawn weeds and the best methods to get rid of them for good. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ...
It is a rhizomatous herbaceous perennial producing clumps of stiff, squared stems 2–4 ft (0.61–1.22 m) tall. The leaves are lanceolate and toothed. The inflorescence is a long, dense raceme containing many tubular pink flowers which resemble snapdragons. The open fruit is shaped like a vase and contains four triangular, black seeds.