Phonetic Spelling SON-chus Description. Spiny-Leaved Sow Thistle: Edible & Medicinal, Spiny-Leaved Sow Thistle American Indian Remedies, Spiny-Leaved Sow Thistle Edible Wild Plants, Spiny-Leaved Sow Thistle Plant Identification, Spiny-Leaved Sow Thistle Survival Medicine, Poncho Shelter: The Bat and Flying Squirrel, Poncho Shelter: Plow Point A.K.A Flying V. Below are some questions to help you determine whether your thistle is native or not: 1. The compound yellow flowerheads have yellow Dandelion-like flowers 2 to 2.5cm across (when fully open) that are borne in lax clusters. The leaves are alternate with spiny and deeply lobed margins. The leaves with very prickly margins that initially develop as a basal rosette and then occur alternately along the flowering stem, the bluish-green color of the leaves, and the yellow flowers with a puff-ball seedhead are all characteristics that help in the identification of spiny sowthistle. It is usually found on soils of moderate to high fertility in areas with an annual ra… Sonchus asper (spiny sow-thistle); habit, showing flower and apical part of plant. The seeds are flat achenes, approximately 3 mm long, ribbed lengthwise, brown, with a pappus of white hair at one end. It is up to the reader to verify nutritional information and health benefits with qualified professionals for all edible plants listed in this web site. True thistles have spines along the leaf margins and their flower heads are generally pink-purple and surrounded by bracts that are typically spiny. Some wild plants are poisonous or can have serious adverse health effects. In a study of seedbanks in some arable soils in the English midlands sampled in 1972-1973, prickly sow-thistle was recorded in … The leaves with very prickly margins that initially develop as a basal rosette and then occur alternately along the flowering stem, the bluish-green color of the leaves, and the yellow flowers with a puff-ball seedhead are all characteristics that help in the identification of spiny sowthistle. The leaves are alternate, simple, and are the broadest near or above the middle. The species grows in a wide range of habitats and climates, and produces large numbers of seeds (>20,000 seeds), which are easily … Sow thistle leaves grow all the way up the stalk, as well as at the base of the plant. It appeared out of nowhere. Spiny milk-thistle’s close relative smooth sow-thistle (S. oleraceus) has similar demands with regards to habitat, so the two species can grow close to and even right next to each other. One leaf of sow thistle (Sonchus oleraceus), which can have varying amounts of spines on them. Life History. Each flower is yellow and has a lance-shaped bract on the outside. Smooth sow-thistle avoids fields and is thus the slightly rarer of the two. Dandelion only has one flower per stalk. (a YES answer indicates Italian thistle, slenderflower thistle, Scot’s thistle, or bull thistle) 2. nutrition, recipes, history, uses & more! They are respectfully the common sow thistle, the spiny sow thistle and the field sow thistle. This plant will grow almost everywhere. Similar species. It has a short taproot, and deeply lobed leaves. The sow thistle was introduced to North America from Europe. It is abundant in California to about 4900 feet (1500 m) and is commonly found in California's Central Valley and coastal areas where it grows year-round. The leaves can be prepared much like dandelion leaves. Sonchus asper - Prickly Sow-thistle. Leaves can grow between 10 and 35 cm long and are between 4 and 14 cm wide. It also has a … north-east United States (zones 4-7), but do grow elsewhere. Lower leaves are petiolate while the upper leaves are sessile. This naturalized weed is native to Europe. thistle : Native, not on noxious weed list : White to pale lavender; flowers extend directly from rosette : Lobed; not spiny : Stems generally absent; forms a flat rosette : Up to 3 feet; generally less than 1 foot : Biennial to perennial : Yellow flowers ; Sonchus arvense : Perennial sow-thistle ; Nonnative, noxious : Bright yellow flowers occur Flowers are produces in loosely branched, elongated, erect clusters. The flowers also provides a summer nectar source for pollinators The stems are erect, 1-4 ft. high, hollow, and glabrous. Annual sowthistle is a widespread winter or summer annual broadleaf plant. UK Status. Spiny sowthistle has yellow flowers that appear in late spring, and the leaves and stems emit a milky-white latex when crushed. However, I make no warranties, expressed or implied, regarding errors or omissions and assume no legal liability or responsibility for any injuries resulting from the use of information contained within. ... Just pulled a three foot tall sow-thistle out of my garden today. If a few spines or spiny wings occur intermittently along the stem then it could be native or exotic. Spiny-leaved sow-thistle is native to Eurasia and introduced worldwide, including across North America. South Florida Weed Identification Guide 1 Sow Thistles 90 Spanish Needles 21 Spermacoce verticillata 25 Sphagneticola trilobata (Wedelia trilobata) 100 Spiny Amaranth 90 Spiny Sow Thistle 90 Sporobolus indicus 89 Spreading Dayflower 91 Stinging Nettles 68 Stylosanthes hamata 28 Suriname Sedge 92 Swinecress 57 Synedrella 51 Please click here for more information. Spiny plumeless thistle is similar to musk thistle (Carduus nutans), but its flowers are a third the size and its stems have many leaf-like spines that extend up to the bases of the flower heads. Identification difficulty. The Oleraceus has green leaves with a bit of blue, Delta- arrow-shaped end lobes and distinctly pointed lobes where it clasps the stem. Prickly sow-thistle grows on most soils but prefers well drained slightly acid to alkaline soils, and has some tolerance of saline conditions. Notice that where each leaf meets the stem the blade bottom enlarges and curls around into an ear-like lobe, or "auricle." This weed … These are best consumed when the plant is young because the older it gets the more bitter it becomes. Flower heads are numerous, yellow, and appear in corymbs. Leaf spines need to be removed. Plant Name. It can also be confused with Canada thistle ( Cirsium arvense ), bull thistle ( Cirsium vulgare ), and Scotch thistle ( Onopordum acanthium ). The leaves are deeply notched and wavy. Once it becomes bitter you can cook with it or mix it with pleasant tasting greens. Bull thistle (Cirsium vulgare) is a robust and spiny plant that has been in Oklahoma since the 1960s. Smooth Sow-thistle and Common Sow-thistle often hybridise, resulting in plants with slightly prickly leaves. Sow thistle usually has many flowers sprouting out on each stalk. It likes cracks in driveways, roadsides, fields, meadows, and gravel banks. It prefers highly disturbed areas, and is a weed of many crops. It does not invade pastures because it is eaten by livestock. Leaf veins may be purple. Similarly, dandelion may not be a good substitute for raw sow thistle leaves if you need a green that is as mild as sow thistle. smooth sow thistle. Sonchus asper, or Prickly Sowthistle, is a spring or summer annual herbaceous wildflower, with spiney leaves and yellow flowers and is often considered a weed because of its aggressive spread. Plants are erect and 4 to 80 inches tall, with mostly hairless stems. Mature plants are erect with a smooth thick stem that secretes a milky sap when cut. Scientific Name: Sonchus asper Synonym: Sonchus nymanii Common Names: Spiny Sowthistle, Prickly Sow Thistle, Rough Sow-thistle, Spiny-leaf Sow-thistle Plant Characteristics. When to see it. Perennial sow thistle flowers are larger and resemble the dandelion. The perennial sow thistle (Sonchus arvensis) is often confused with the annual sow thistle (Sonchus oleraceus). Isolated infesta-tions occasionally occur, but severe infestations larger than one acre, are rare. Identification . spiny sowthistle This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in … A perennial plant growing to a metre in height, Smooth Sow-thistle has soft triangular, greyish-green leaves with pointed basal lobes. Log in. The information provided using this website is intended for educational purposes only. The flowers are hermaphrodite. All information, photographs and web content contained in this website is Copyright © EdibleWildFood.com 2020. Wild food can help treat various medical conditions. Spiny Sowthistle (Sonchus asper) ... the leaf margins of spiny sowthistle are much more spiny or prickly than those of annual sowthistle. sow thistle. Insects are commonly found on bull thistle, so insects that feed on some of the native Cirsium species may be keeping its populations in check. The seeds of sowthistle each possess a pappus, which aids in seed dispersal. Cultivated and waste ground, river and stream margins, roadsides. If prominent, spiny wings (Figure 1) line the entire length of the stem then it is an exotic thistle. The stem is upright and produces a milky sap. 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. Dandelion only has one flower per stalk. Sonchus asper is an annual herb considered native to Europe, Africa and Asia that has been introduced to a wide range of countries around the world, where it frequently becomes an environmental and agricultural weed. Two annual, similar-looking species; Stems are woolly and very spiny-winged, with branches that point upward; Flower heads are pink – purple, small (0.5 inches wide), and grow in spiny clusters of 2 to 5 (on Italian) and 5-20 (on slenderflower) Bracts are hairy and spiny, the hairs on Italian thistle bracts are stiff and point forward Identification, health, This is an annual weed, reproducing by seeds. Sowthistle plants can be either present as a rosette or upright in their growth form. We are not health professionals, medical doctors, nor are we nutritionists. Spear thistle has large, deeply-lobed leaves with large spines at the margins, as well as hairy, spiny stems. Habitat: Spiny annual sow-thistle occurs throughout Ontario in waste places, along fence lines, roadsides, around buildings and occasionally in gardens. Click, All listed plants are found in central-east Canada and ... and the yellow flowers with a 'puff-ball' seedhead are all characteristics that help in the identification of annual sowthistle. Sow thistle can become quite large! Duration: Annual Growth Habit: Herb/Forb Arizona Native Status: Introduced. Perennial. 1) Observe whether there are spiny wings along the entire stem length. Both of the common, weedy sow thistle species bear spiny-margined leaves with auricles, but our Prickly Sow Thistle's auricles are rounded, as shown, while the Common Sow Thistle's auricles are variously shaped, sometimes a bit triangular, but not consistently rounded. Annual sow thistle tends to be less prickly. 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