Sawtooth Blackberry (Rubus argutus)

Plantae>Magnoliophyta>Magnoliopsida>Rosales>Rosaceae>Rubus argutus Link

	Sawtooth Blackberry is our most familiar wild blackberry, abundant throughout North Carolina. It is weedy and can form impenetrable thickets. This may be synonymous with Rubus pensilvanicus Poiret, Pennsylvania Blackberry, the name listed for it in Weakley's Flora. Grayson Co., VA 5/31/09.
	Grayson Co., VA 5/31/09.
	Grayson Co., VA 5/31/09.
	Grayson Co., VA 5/31/09.

Clay Co., NC 5/22/05.

The "berries" (technically these are aggregate drupelets, not berries) turn from red to black as they ripen. The leaves on floricanes (flowering canes) have 3 leaflets.

Carroll Co., VA 7/24/06.

The leaves have 5 leaflets on primocanes (non-flowering canes).

Carroll Co., VA 7/24/06.

Durham Co., NC 6/27/2009.

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