Farmland. Images and key identification characteristics of the different members of the Thistle family of British wild flowers Read more about this in the. Email me at cris (at) tenrandomfacts (dot) com and ask for a specific topic. Cirsium vulgare (bull thistle, common thistle, or spear thistle) is listed as a noxious weed in nine US states. They are mostly native to Eurasia and northern Africa. Spear Thistle Fl.Napol. Artichoke Thistle (Cynara cardunculus) Spear Thistle. The thistle has been an important symbol of Scottish heraldry for over 500 years. Pis. Nitrogen-rich soils help increase its proliferation. The small purple florets are clustered in a dense sphere surrounded by spiny bracts. [13], Spear thistle is designated an "injurious weed" under the UK Weeds Act 1959,[18] and a noxious weed in Australia[17][19][20] and in nine US states. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. [14] The flowers are a rich nectar source used by numerous pollinating insects, including honey bees, wool-carder bees, and many butterflies. (2007). A common plant of disturbed ground like roadside verges and field edges, the Spear thistle has purple, fluffy flower heads that appear in summer. Marsh thistle looks somewhat like spear thistle at an initial glance, but without the large spines and leaf lobes, and usually with a thin, red, leaf margin. The leaves are dark green, rough and hairy on the upper surface, and lighter beneath due to a dense covering of whitish hairs. Photographer. [2][12][13], Spear thistle is often a ruderal species, colonising bare disturbed ground, but also persists well on heavily grazed land as it is unpalatable to most grazing animals. It is best cleared from land by hoeing and deep cutting of the taproot before seeds mature; regular cultivation also prevents its establishment. Pest control. Compositae---Parts Used---Root, leaves. The spear thistle is biennial (living for two years) and the first year’s growth can be seen from early the following spring. Spear Thistle. Milk thistle is ... Those who think this ingredient stains the teeth are wrong. Spear Thistle is not easily confused with other wild plants on this web site. Pis. Bull thistle is a widespread biennial thistle originally from Europe and Asia, but now introduced throughout North America. Compositae---Parts Used---Root, leaves. The flowers are a rich nectar source used by numerous pollinating insects, including honey bees, wool-carder bees, and many butterflies. Part of. It is the user's responsibility to check that registration or an off-label permit covers the proposed use. [11], It is a tall biennial or short-lived monocarpic thistle, forming a rosette of leaves and a taproot up to 70 cm long in the first year, and a flowering stem 1–1.5 m tall in the second (rarely third or fourth) year. The seeds are dispersed by wind, mud, water, and possibly also by ants; they do not show significant long-term dor… However, to add another positive note, it's a drought-tolerant plant which makes it a great plant to use in very hot (and sometimes dry) places … Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). thistle) supports the health of joints, tendons, ... Definitions Bull thistle (Cirsium vulgare; formerly Cirsium lanceolatum), alternately known as “spear thistle,” is a biennial wild plant—often castigated as a “weed”—that grows in fields, meadows, pastures, and uncultivated land and usually in moist soil or not far from a body of water. Currently you have JavaScript disabled. Carduus lanceolatus, the Spear Thistle, is one of our most striking and common Thistles. It grows in waste places, by roadsides, in pastures and cultivated ground, and … The supports for pollinators and pest-eating birds could outweigh its drawbacks. Whittlesea's native vegetation. It has long green leaves (to 35mm) with many small prickles on their upper surface. It sometimes will function as an annual, flowering in the first year. The stem is winged, with numerous longitudinal spine-tipped wings along its full length. Flora of North America, Bull or common or spear thistle, gros chardon, chardon vulgaire ou lancéolé, piqueux. Spear thistles are not used as weapons… but can hurt! It also occurs on roadsides, coastal dunes and in woodland clearings. The seeds are 5 mm long, with a downy pappus, which assists in wind dispersal. Please report them if you think you have them. Considered noxious under the BC Weed Control Act , Canada thistle is commonly found on roadsides, cultivated fields, pastures, logged forests, riverbanks, and other disturbed areas. 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