Flora of Scotts Creek Watershed
Rubus ursinus - California Blackberry
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Family Name: Rosaceae
Common Names: California Blackberry, Pacific Blackberry
Origin: Native to California
Habitat: Common to many localities. Moist places, shrubland, streamsides, forests, woodlands, and open habitats, below 5000 ft.
Life Form and Duration: Perennial Trailing/clambering vine, 1-6 m tall
Bark and Stem Description: Stems are round, prickles are slender and straight.
Foliage Type: Semideciduous
Foliage Description: Palmately lobed or compound, 3 lobes or leaflets (rarely 5). 2-10 cm long, terminal leaflet larger than laterals, irregularly toothed margin, lower surfaces can be hairy or hairless but are light green.
Infloresence Description: 2-15 flowers in a cyme (branched inflorescence)
Flower Description: Plants are dioecious, pistillate and stamiate flowers on separate plants. Petals are white. Pistillate flowers with many long pistils and shorter stamens, anthers absent or aborted. Staminate flowers lack pistils and have narrower petals than those of pisitilate flowers. Gland tipped hairs on stem and sepals.
Flowering Season: April-August
Fruit Type: Aggregate (cluster of drupelets originating from many separate pistils in a single flower)
Fruit Description: A shiny black to purple berry at maturity, oblong to spherical, remains attached to the receptacle when picked.
Edibility: Edible, can be quite tasty and sweet.