How do I know what type of thistle I have?
Thistles can be identified by the shape of their leaves, their color, their spines and the color of their flowers. There are five common thistles: bull thistle, musk thistle, Scotch thistle, distaff thistle and Canada thistle.
How many varieties of thistle are there?
Thistles have all disc flowers that are shaped into long tubes. About 200 species are known worldwide from North America, Europe and Asia.
What does bull thistle look like?
Bull thistle is a moderately large wildflower measuring approximately 60-180 cm. in height. It is most easily recognized by its spine-covered fruit and bright pink or white flower cluster positioned atop the terminal shoot. The spiny-winged stem and long leaves are robust and are covered densely with sharp spines.
What does thistle plant look like?
Stems are leafy, stout, branched, and somewhat woolly. Flower heads are large, rose to purple with many sharp spine-tipped bracts. Leaves are irregularly lobed, with the end lobe being longer than the side lobes, and all tipped with yellow prickles. Leaves are woolly on the underside.
What does purple thistle look like?
The purple starthistle’s lavender to deep-purple flowers grow atop spine-tipped bracts. Growing up to 8 feet tall, the Italian thistle blooms clusters of one to five pinkish, cylinder-shaped flower heads and has spiny-toothed, lobed leaves that have rigid, distinct spines between the leaf segments.
Is milk thistle and Scottish thistle the same?
Gaertn. Carduus marianus L. Silybum marianum has other common names including cardus marianus, milk thistle, blessed milkthistle, Marian thistle, Mary thistle, Saint Mary’s thistle, Mediterranean milk thistle, variegated thistle and Scotch thistle (though not to be confused with Onopordum acanthium or Cirsium vulgare).
What does a mature thistle plant look like?
Edible thistle (Cirsium edule) is a 6-foot-tall perennial with short spines on alternate leaves and single pinkish-purple flower heads at stem ends. Tops and bottoms of leaves are lightly hairy. Mature edible thistle, showing spiny, alternate leaves and pinkish-purple flower heads at stem ends.
What does the color thistle look like?
Look for mostly hairless, green and oblong leaves that have edges with spine-tipped lobes to spot the yellow thistle (Cir. horridulum). The yellow thistle has thick, hairy, 2- to 5-foot stems and buff-yellow to reddish-purple flower heads that sit atop a whorl of spiny leaves.
Is thistle poisonous to dogs?
How safe is milk thistle? Milk thistle appears to be a safe and well-tolerated herb for animals. Side effects are usually mild and often involve the gastrointestinal tract, such as loose stools or mild digestive upsets.
What does a giant thistle look like?
What are the different types of thistles?
•YELLOW STARTHISTLE (C. solstitialis) •long, yellow/white spines on phyllaries •can get a bushy structure •found in Fresno, Kern, Madera, Tulare •TOCALOTE (MALTA STARTHISTLE, C. melitensis) •stouter flower heads and shorter, redder spines on phyllaries •found in all 5 counties Identification – 2. Centaurea thistles •Canada thistle (C. arvense)
How many Thistle stock photos are available?
Browse 57,504 thistle stock photos and images available, or search for thistle icon or thistle background to find more great stock photos and pictures. Flower blooms on a Scotch thistle at a new urban green space at the Freie Scholle housing estate in Reinickendorf district on June 21, 2019 in…
What does a bull thistle look like?
Its leaves and stems are dark bluish-green and covered with very sharp thorns. Bull thistles are biennial and only bloom every two years. Pull thistles before they bloom so their seeds don’t spread in the wind. Bull thistle thrives in sunny areas in a variety of soil types and conditions.
What kind of thistles are hanging on dog fur?
A lot of thistles are hanging on a dog fur Field of field thistles. In autumn sunlight Vibrant pink Echinacaea and blue Globe Thistles. The subtle blue of Globe Thistles Echinops ritro, contrast with vibrant Pink Echinacea purpurea or Coneflowers