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The differences in broadleaf weeds' structure and growth habits make them easy to distinguish from narrow-leaved weedy grasses. [5] Most broadleaf weeds have leaves with net-like veins and nodes that contain one or more leaves, and they may have showy flowers, [6] while grassy weeds appear as a single leaf from a germinated seed. [7]
Pseudognaphalium obtusifolium was first described by Carl Linnaeus in 1753 as Gnaphalium obtusifolium.It was transferred to Pseudognaphalium in 1981. [1]Populations found in the state of Wisconsin growing on ledges and in cracks in shaded limestone cliff-faces, usually those facing south or east, have been described as Pseudognaphalium saxicola, common name cliff cudweed or rabbit-tobacco.
The simple leaves are alternate and cordate, membranous, growing on leaf stalks. There are no stipules. The flowers grow in the leaf axils. They are inflated and globose at the base, continuing as a long perianth tube, ending in a tongue-shaped, brightly colored lobe. There is no corolla. The calyx is one to three whorled, and three to six toothed.
Aristolochia californica is a deciduous vine. [5] It grows from rhizomes, to a length usually around 5 feet (1.5 m), but can reach over 20 feet (6.1 m). [5] The twining trunk can become quite thick in circumference at maturity.
Poison ivies can grow as small plants, shrubs, or climbing vines. [4] They are commonly characterized by clusters of leaves, each containing three leaflets, [4] hence the common expression "leaves of three, let it be". [5] These leaves can vary between an elliptic to egg shape and will have either smooth, lobed, or toothed margins.
Aristolochia macrophylla, Dutchman's pipe or pipevine, is a perennial vine native to the eastern United States. [2] A. macrophylla belongs to the plant family Aristolochiaceae and is found primarily along the Cumberland Mountains and Blue Ridge Mountains in the eastern portion of the United States, as well as Ontario , Canada.
Kinnikinnick is a Native American and First Nations herbal smoking mixture, made from a traditional combination of leaves or barks. Recipes for the mixture vary, as do the uses, from social, to spiritual to medicinal.
Due to the plants continuous fight against gravity, plants typically mature much more quickly than when grown in soil or other traditional hydroponic growing systems. [55] Because rotary hydroponic systems have a small size, they allow for more plant material to be grown per area of floor space than other traditional hydroponic systems.