thorn

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Thorn

(thorn),
George W., 20th-century U.S. physician. See: Thorn test, Thorn syndrome.

thorn

(thōrn),
In anatomy, a thornlike or spinous structure.

thorn

a sharply pointed woody plant structure formed from a modified branch.
References in periodicals archive ?
Grow Oregon Thornless or Fantasia, which bears heavy yields of huge fruit.
He found the plant he named Freedom--"freedom from thorns," Clark explained--among 309 candidates when he mated two blackberry plants to create a thornless one.
Keep in mind that eventually your Apache thornless blackberries will take over the room walls and seasonally there will not be space for additional plants.
Alternative varieties to look out for are the Passion rose and the thornless Grand Amore.
"Of course my first object was to get a thornless [cactus]," Burbank told the assembly.
Triple Crown thornless blackberries are a fine first step for anyone growing fruit.
I knew these must be the truly thornless Rosa blanda.
Bushes/Shrubs/Hedges: Blueberries, Viburnum, Thornless Blackberries, Currants, Vines: Scarlet Runner Beans, Snap Peas, Black Grapes
Q: I collected a pod from a tree in our yard (thornless common honeylocust); and put the seeds in a clay pot indoors with potting soil/water.
"We have a wireless telegraph, a crownless queen, a thornless cactus, a seedless orange and a coreless apple.
For instance, he may need to create a blackberry cultivar that is thornless and can be readily produced at high yields--features that growers would consider important.