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Alisma subcordatum, the American water plantain, is a perennial aquatic plant in the water-plantain family (Alismataceae). This plant grows to about 3 feet (0.91 meters) in height with lance to oval shaped leaves rising from bulbous corms with fibrous roots. Any leaves that form underwater are weak and quick to rot; they rarely remain on adult ...
Growing on a horticulture trellis increases plant density since each plant will find expansion surface vertically on the netting mesh. As the plant grows vertically, besides the already mentioned benefits of increased aeration and sun exposure, the plant´s flowers and fruits are protected from accidental crushing due to the worker walking ...
It is hardy in USDA zones 4–9 and tolerates shade excellently but will also grow in full sun. [6] When grown in sun the plant tends to grow denser and have more berries and flowers compared to growing in shade or partial shade. [6] [9] It is best to grow the plant from seed as its extensive rootsystem does not handle transplanting well. [6]
Since the establishment of the Office of Seed and Plant Introduction there has been an office within the USDA with this responsibility, though its name changes periodically. [2] Today, the branch of the USDA responsible for collecting and introducing new plant species is called the National Germplasm Resources Laboratory. [2] [7]
The U.S. Department of Agriculture's Pomological Watercolor Collection is an archive of some 7,500 watercolor botanical illustrations created for the USDA between the years 1886 and 1942 by around five dozen artists. [1]
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Matricaria discoidea, commonly known as pineappleweed, [3] wild chamomile, disc mayweed, and rayless mayweed, is an annual plant native to North America and introduced to Eurasia where it grows as a common herb of fields, gardens, and roadsides. [4]
The plant has many ethnobotanical uses. The roots and leaves were used medicinally, and the berries were occasionally used for food. [3] Native Americans used the plant to treat wounds and eyestrain. [4] Being tolerant of deep shade, drought, and extensive watering, the plant is becoming more popular as a shade groundcover in gardening. Care ...