Northern Prairie Wildlife Research Center
Northeast Wetland Flora
Field Office Guide to Plant Species
Rubus baileyanus Britt.
- Family: Rose (Rosaceae)
- Flowering: April-June
- Field Marks: This blackberry differs by its low-arching to trailing, non-glaucous stems that
are about 1/4 inch in diameter and bear stout, broad-based prickles. The leaf stalks and flower stalks lack glandular hairs.
- Habitat: Open woods, thickets, pastures.
- Habit: Moderately stout shrub to 6 feet long.
- Stems: Upright at first, but becoming low-arching or trailing, not glaucous, up to 1/4 inch in diameter, with stout, broadbased prickles.
- Leaves: Alternate; those of the sterile stems divided into 3 or 5 leaflets, the leaflets lanceolate to obovate, pointed at the tip, tapering or rounded at the base, toothed, not thin, hairy on only the veins beneath, leaf stalks smooth or with glandless hairs; those of the flowering stems simple or divided into 3 leaflets, otherwise similar to the leaves of the sterile stems.
- Flowers: 1-4 at the tips of the branches, occasionally axillary, up to 1 1/2 inches across, on glandless stalks up to 3 1/2 inches long.
- Sepals: 5, green, attached below to form a cup, lanceolate.
- Petals: 5, white, free from each other, up to 3/4 inch long.
- Stamens: Numerous.
- Pistils: Numerous, each with a superior ovary.
- Fruits: Many drupelets in a short cylindrical cluster up to 3/4 inch in diameter.
- Notes: Gleason and Cronquist consider this species to be the same as R. flagellaris. The fruits are eaten by animals, including humans.
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