How Do You Identify Thistles
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...
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. Spot the wavyleaf thistle (Cir.
What type of thistle do I have?
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. Spot the wavyleaf thistle (Cir.
How do you identify thistle leaves?
The overlapping bracts found directly below their flowers are always spiny. This makes it a simple process of identification compared to their many relatives in the daisy family. Depending on the species of thistle, the density of spine coverage and the size and shape of leaves will vary. Some even have soft prickles.
James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.
