Sonchus asper (spiny sow-thistle); habit, showing flower and apical part of plant. Phylum: Magnoliophyta - Class: Equisetopsida - Order: Asterales - Family: Asteraceae Description. Sow thistle stems are unbranched until towards the top where it braches out and flowers develop. They are respectfully the common sow thistle, the spiny sow thistle and the field sow thistle. It can also be confused with Canada thistle ( Cirsium arvense ), bull thistle ( Cirsium vulgare ), and Scotch thistle ( Onopordum acanthium ). It has a short taproot, and deeply lobed leaves. Flowers are produces in loosely branched, elongated, erect clusters. It also has a … The leaves, flowers and roots are edible. Sonchus asper, the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, or spiny-leaved sow thistle, is a widespread plant in the dandelion tribe within the daisy family. Leaf spines need to be removed. Sow thistle stems are unbranched until towards the top where it braches out and flowers develop. Look for spiny-winged stems that are covered with cobweb-like hairs on the undersides to identify the Italian thistle (Carduus pycnocephalus), which invades pastures and other grazed lands. It is usually found on soils of moderate to high fertility in areas with an annual ra… Below are some questions to help you determine whether your thistle is native or not: 1. Leaves. Leaves can grow between 10 and 35 cm long and are between 4 and 14 cm wide. In-depth wild edible PDFs. Dandelions do not have spikes on the edges of their leaves, and true thistles have much tougher leaves. To support our efforts please browse our store (books with medicinal info, etc.). Spiny sow thistle was covered in the previous post. Identification, health, Thistles are members of the sunflower family (Asteraceae) and can be annual, biennal, or perennial. It can be distinguished from Sonchus asper and Sonchus hydrophilus in that they both have stiff and leathery leaves, mostly smooth achenes (fruit) with ribs that are rough to the touch or with hairs. Common sow thistle has hollow stems that exude latex if damaged. Food plant ofCattle, deer and rabbits. Mature plants are erect with a smooth thick stem that secretes a milky sap when cut. Stems are upright and leafy at the base. Plants are erect and 4 to 80 inches tall, with mostly hairless stems. The flowers also provides a summer nectar source for pollinators sow thistle. Dandelion only has one flower per stalk. 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. Leaf veins may be purple. Perennial sow thistle flowers are larger and resemble the dandelion. The information provided using this website is intended for educational purposes only. This naturalized weed is native to Europe. Identification difficulty. Phonetic Spelling SON-chus Description. Smooth Sow-thistle - Sonchus oleraceus Edible plant - novice Other common names Sow-thistle, Hare's Colwort, Milky Tassel, Swinies, Hare's Thistle, Hare's Lettuce, Thallak, Common Sow-thistle Scientific name meaning The genus name Sonchus is of Greek origin and means "hollow". While we strive to be 100% accurate, it is solely up to the reader to ensure proper plant identification. 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. The stems are erect, 1-4 ft. high, hollow, and glabrous. Identification and Life Cycle. 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. (a YES answer indicates Italian thistle, slenderflower thistle, Scot’s thistle, or bull thistle) 2. Reproducing by seed and from buds on widely spreading, creamy white, brittle, underground roots. The sow thistle can grow up to 1 metre high (just over 3`). Habitat. 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. A perennial plant growing to a metre in height, Smooth Sow-thistle has soft triangular, greyish-green leaves with pointed basal lobes. Sow thistle leaves grow all the way up the stalk, as well as at the base of the plant. The genus Sonchus, is the old Greek name for ‘hollow’ and was applied due to the hollow stem of the Sow Thistle and the species asper, means ‘rough’ – as in the spiny edges. Stems and main vein of leaves are dark-green to purple. Please click here for more information. The seeds of sowthistle each possess a pappus, which aids in seed dispersal. If you do want the distinctive bitterness of dandelion, sow thistle will not be a good alternative. Dandelion only has one flower per stalk. Cultivated and waste ground, river and stream margins, roadsides. Similar species. Plants can grow from 20 to 150cm in height. Habitat: Spiny annual sow-thistle occurs throughout Ontario in waste places, along fence lines, roadsides, around buildings and occasionally in gardens. Isolated infesta-tions occasionally occur, but severe infestations larger than one acre, are rare. Dandelion leaves are only at the base. 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. 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. The flowers are hermaphrodite. (If the look of the head reminds you a little of an artichoke, there is a reason for that: Sow thistle leaves look similar to dandelion leaves, and you can prepare them in the same way, raw in salads or cooked. 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 The upper leaves are smaller than the lower leaves. It prefers highly disturbed areas, and is a weed of many crops. Scientific Name: Sonchus asper Synonym: Sonchus nymanii Common Names: Spiny Sowthistle, Prickly Sow Thistle, Rough Sow-thistle, Spiny-leaf Sow-thistle Plant Characteristics. top Spiny Sowthistle (Sonchus asper) ... the leaf margins of spiny sowthistle are much more spiny or prickly than those of annual sowthistle. The seeds are flat achenes, approximately 3 mm long, ribbed lengthwise, brown, with a pappus of white hair at one end. The compound yellow flowerheads have yellow Dandelion-like flowers 2 to 2.5cm across (when fully open) that are borne in lax clusters. It likes cracks in driveways, roadsides, fields, meadows, and gravel banks. The individual flowers in the head are narrowly tubular, and purple. Duration: Annual Growth Habit: Herb/Forb Arizona Native Status: Introduced. There is a very spiny one found in Hawaii as well, called spiny sow thistle (Sonchus asper), and the species can hybridize/cross as well. 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. The stem is upright and produces a milky sap. Each flower is yellow and has a lance-shaped bract on the outside. The leaves are hairless somewhat bluish green. Spiny sowthistle ( Sonchus asper) is a summer annual weed with a basal rosette and an upright flowering stem. swinies. The species can overlap the winter and summer annual categories. Spiny sow thistle was covered in the previous post. 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. Some wild plants are poisonous or can have serious adverse health effects. Click, All listed plants are found in central-east Canada and If prominent, spiny wings (Figure 1) line the entire length of the stem then it is an exotic thistle. The leaves are alternate with spiny and deeply lobed margins. The leaves are alternate, simple, and are the broadest near or above the middle. ... Just pulled a three foot tall sow-thistle out of my garden today. Flower heads are numerous, yellow, and appear in corymbs. The Oleraceus has green leaves with a bit of blue, Delta- arrow-shaped end lobes and distinctly pointed lobes where it clasps the stem. EdibleWildFood.com is informational in nature. 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. This weed … 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 … Once it becomes bitter you can cook with it or mix it with pleasant tasting greens. Spiny Sowthistle has become widely cosmopolitan throughout the Americas and Asia due to human activity. They are deeply lobed along the margin and the spiny toothed, lobed leaf bases clasp the stem. Spiny sowthistle (Sonchus asper), also called prickly sowthistle is an introduced annual in the sunflower family (Asteraceae). north-east United States (zones 4-7), but do grow elsewhere. One leaf of sow thistle (Sonchus oleraceus), which can have varying amounts of spines on them. This plant will grow almost everywhere. Sowthistle plants can be either present as a rosette or upright in their growth form. smooth sow thistle. Many people tend to confuse sow thistle with dandelions. Description. Sonchus asper, the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, or spiny-leaved sow thistle, is a widespread plant in the dandelion tribe within the daisy family ... Spiny Sowthistle in Virginia Tech Weed Identification Guide; Many people tend to confuse sow thistle with dandelions. We are not health professionals, medical doctors, nor are we nutritionists. Sonchus asper - Prickly Sow-thistle. Summary of Invasiveness Top of page. Sow thistle can become quite large! Click. The sow thistle was introduced to North America from Europe. True thistles have spines along the leaf margins and their flower heads are generally pink-purple and surrounded by bracts that are typically spiny. Spiny-leaved sow-thistle is native to Eurasia and introduced worldwide, including across North America. Sow thistle usually has many flowers sprouting out on each stalk. Perennial. Bull thistle (Cirsium vulgare) is a robust and spiny plant that has been in Oklahoma since the 1960s. East … The asper has spiny round lobes where it clasps the stem. In a study of seedbanks in some arable soils in the English midlands sampled in 1972-1973, prickly sow-thistle was recorded in … Wild food can help treat various medical conditions. Spiny sowthistle has yellow flowers that appear in late spring, and the leaves and stems emit a milky-white latex when crushed. It does not invade pastures because it is eaten by livestock. If a few spines or spiny wings occur intermittently along the stem then it could be native or exotic. All information, photographs and web content contained in this website is Copyright © EdibleWildFood.com 2020. Lower leaves are petiolate while the upper leaves are sessile. UK Status. 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. Sow thistle leaves grow all the way up the stalk, as well as at the base of the plant. Smooth sow-thistle avoids fields and is thus the slightly rarer of the two. These are best consumed when the plant is young because the older it gets the more bitter it becomes. July to October. Plant Name. nutrition, recipes, history, uses & more! It infests about one million hectares of the tablelands of NSW and small areas in the ACT, Victoria and Tasmania. The leaves are deeply notched and wavy. Prickly sow-thistle grows on most soils but prefers well drained slightly acid to alkaline soils, and has some tolerance of saline conditions. There are many other yellow members of the daisy family with flowers similar to those of the Dandelion. Smooth Sow-thistle and Common Sow-thistle often hybridise, resulting in plants with slightly prickly leaves. An annual plant with red glandular stem hairs and growing to just over a metre in height, Prickly Sow-thistle has reddish stems and spiny … Sonchus oleraceus, or Sowthistle, is a genus of annual herbs, considered a winter and summer weed, and includes several species that are common in nurseries and landscapes.Most of the species are annual herbs, but a few are perennial and a few are even woody. When to see it. 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 The prickly sow-thistle, Sonchus asper, is similar but its leaves are generally greener and with sharper spines. Adapted to a wide range of conditions, perennial sow thistle does best in moist, fertile soils with full sunlight. Spear thistle has large, deeply-lobed leaves with large spines at the margins, as well as hairy, spiny stems. Because it requires a period of chilling (vernalisation), nodding thistle is confined to cool temperate areas in Australia. The main difference between the two is that the annual sow thistle has much smaller flowers (less than 2.5 cm across) than the perennial sow thistle. Spiny-leaved Sow-thistle; Phonetic Spelling SON-chus AS-per Description. Identification . Dandelion leaves are only at the base. Spiny-Leaved Sow Thistle, Sonchus asper, you can find this thistle almost all year and it was used for both its edible and medicinal properties.You can find it in fields, waste places and even in your garden. Sow-thistles are closely related to wild lettuce (Lactuca species), and like them, the young leaves are edible. This is in reference to the Sow-thistle's hollow stem. Both plants are edible. Sow thistle could also be confused with Dandelions, and members of the true thistle family, Cirsium, but both of these are edible. 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 Species are not easy to distinguish at the seedling stage. It appeared out of nowhere. The leaves can be prepared much like dandelion leaves. Sow thistle usually has many flowers sprouting out on each stalk. Notice that where each leaf meets the stem the blade bottom enlarges and curls around into an ear-like lobe, or "auricle." 1) Observe whether there are spiny wings along the entire stem length. 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. 2) … Life History. Cut stems secrete a milky sap. The perennial sow thistle (Sonchus arvensis) is often confused with the annual sow thistle (Sonchus oleraceus). ... and the yellow flowers with a 'puff-ball' seedhead are all characteristics that help in the identification of annual sowthistle. This is an annual weed, reproducing by seeds. 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. Is the thistle spiny along the entire length of the stem? The species grows in a wide range of habitats and climates, and produces large numbers of seeds (>20,000 seeds), which are easily … 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. Log in. 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Are the broadest near or above the middle all characteristics that help in the previous post slightly! Content contained in this website is Copyright © EdibleWildFood.com 2020 in seed dispersal underground roots adverse health effects not a! Stems that exude latex if damaged the identification of annual sowthistle and the field sow has. Sprouting out on each stalk prominent, spiny stems are best consumed when plant...