Malta Thistle, Maltese Star-thistle, Cockspur Thistle, Yellow Star-thistle, Napa Thistle (Centaurea melitensis) bloom is a thistle-like flower about 3/8" to 1/2" wide. Its bracts have spines. Shown in April (blooms in background are on a different plant).
by htop Apr 13, 2007 9:40 PM
A view of a Malta Thistle, Maltese Star-thistle, Cockspur Thistle, Yellow Star-thistle, Napa Thistle (Centaurea melitensis) showing its attachment to the stem. Its leaves are hairy.
by htop Apr 13, 2007 9:44 PM
A view of a Malta Thistle, Maltese Star-thistle, Cockspur Thistle, Yellow Star-thistle, Napa Thistle (Centaurea melitensis) showing the cobweb-like material on the bracts which is an identifying characteristic. Note that the leaves extend down the stem giving it a winged appearance. The upper leaves are quite thin.
by htop Apr 13, 2007 9:48 PM
Malta Thistle, Maltese Star-thistle, Cockspur Thistle, Yellow Star-thistle, Napa Thistle (Centaurea melitensis)
by htop May 13, 2007 8:54 AM
Malta Thistle in Victoria, Australia, November 1985
by kennedyh Mar 4, 2006 10:13 PM
Malta Thistle in California, USA, July 1998
by kennedyh Mar 4, 2006 10:13 PM
After the petals are gone, Malta Thistle, Maltese Star-thistle, Cockspur Thistle, Yellow Star-thistle, Napa Thistle (Centaurea melitensis) sparkles in the sunlight. These look metallic in person.
by htop May 13, 2007 9:54 AM
Atacama region, Maitencillo sector. Photo courtesy of and copyright of Claire De Schrevel of Copiabó, Atacama, Northern Chile.
by Kell Aug 31, 2018 3:26 PM