Rubus laciniatus evergreen blackberry Rosaceae RULA*; Bx, pb, sf; NY, ct, hb, n; Q, cu; K, dh; R, fk, gr, pr;

Rubus laciniatus.Les

Rubus laciniatus.Les (Accessed 8/2014).

Rubus laciniatus is an arching, prickly shrub. Stems coarse, often reddish, ribbed like R. allegheniensisto several m long, scrambling, often vine-like habit, usually not erect, strongly armed with curved, flattened, long-based thorns. 

Leaves alternate, evergreen, appearing more “ornate” than R. allegheniensis, palmately compound, leaflets hairy, green below, usually 5, lobed or divided, margin toothed, largest ca 5 cm, stalk strongly armed. 

Flowers pinkish or white, in clusters, petals 3-lobed. Fruit elongate, to 1.5 cm wide. 

Fruit fleshy, black, multiple, 1-seeded black drupes (unripe fruit red) adhering to receptacle. 

Wetland status: NL. 

Frequency in NYC: Infrequent. 

Origin: A European cultivar 

Habitat: Mostly around old house sites but also escaped in disturbed areas. Appears somewhat shade tolerant.