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Amaranthus tuberculatus, commonly known as roughfruit amaranth, [4] rough-fruited water-hemp, [5] tall waterhemp, or common waterhemp, [6] [7] is a species of flowering plant. It is a summer annual broadleaf with a germination period that lasts several months. [8] Tall waterhemp has been reported as a weed in 40 of 50 U.S. states. [9]
Water-hemp or waterhemp is a common name for several plants and may refer: In the genus Amaranthus: Amaranthus australis - southern water-hemp; Amaranthus cannabinus - salt-marsh water-hemp, tidal marsh water-hemp or water-hemp pigweed; Amaranthus floridanus - Florida water-hemp; Amaranthus tuberculatus - rough-fruit water-hemp or tall water-hemp
Thlaspi arvense is a foetid, hairless annual plant, growing up to 60 cm (24 in) tall, [2] with upright branches. The stem leaves are arrow-shaped, narrow and toothed. It blooms between May and July, with racemes or spikes of small white flowers that have 4 sepals and 4 longer petals. [3]
Amaranthus palmeri is a species of edible flowering plant in the amaranth genus. It has several common names, including carelessweed, [1] dioecious amaranth, [2] Palmer's amaranth, Palmer amaranth, and Palmer's pigweed.
Wikimedia Commons, or simply Commons, is a wiki-based media repository of free-to-use images, sounds, videos and other media. [1] It is a project of the Wikimedia Foundation . Files from Wikimedia Commons can be used across all of the Wikimedia projects [ 2 ] in all languages, including Wikipedia , Wikivoyage , Wikisource , Wikiquote ...
Unless otherwise noted, taxonomic determinations and all other information are sourced from Stewart McPherson's two-volume Pitcher Plants of the Old World, published in 2009. [2] Where recent literature provides an altitudinal distribution that falls outside the range given in Pitcher Plants of the Old World , the discrepancy is noted.
Heavy cannabis use could negatively impact certain types of memory, largest study of its kind to date has found. Image credit: Valeria Mongelli/Bloomberg/Getty Images.
A combination of characteristics is usually required to identify the plant. Identification of a non-flowering, non-fruiting plant with bare leaves may be difficult. Although some species of Trillium have petioles (leaf stalks) and/or distinctive leaf shapes, these features are seldom sufficient to identify the plant down to the species level.