This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
This species is locally abundant in the west, especially in N. Devon. The habit is shrub-like, suberect, high-arching, the plant very dark purple. The leaves are very large, deeply cut, with an ash-coloured felt, or softly hairy below, the terminal one oblong, oval, with a long narrow point. The panicle is dense, compound, cylindrical, very strong. The sepals have an ash-coloured felt. The bracts and flower-stalks have occasionally a few, short-stalked glands.
The habitat of this species is sandy commons and wood borders. The plant has the shrub habit, growing in clumps, arched, the stem lustrous, the leaves very large, greyish, softly hairy below. The leaflets are wide-spreading, with even, scalloped, bluntly-pointed teeth, soft and pale below at first. The panicle is a raceme above, with very showy flowers on long stalks. The petals are very large, and pink. The stamens, which are long, and the style, are also pink. The sepals are greyish-olive. The fruit is bright-red, then glossy-black.
The habitat of this species is open woods. The habit is shrub-like, the stem furrowed, very soon prostrate, slightly hairy. The leaves are dull-green, very large, thinly hairy. The leaflets are all broad, with compound, deeply-cut teeth, harsh to the touch below, the terminal leaflet heart-shaped, with a long point. The panicle is narrow, blunt, cylindrical, with a densely hairy rachis and conspicuous bracts. The sepals are grey with a yellow base. The plant flowers in July and August, and is a deciduous shrub.
Rubus imbricatus, Hort - The habitat of this plant is wood borders and open commons. The habit is prostrate or arched, remarkably branched. The leaflets are convex, wrinkled, overlapping, the terminal leaflets roundish, egg-shaped, with an abrupt, long point, heart-shaped, the basal leaflets small. The panicle has distant, long, very strongly ascending lower branches, and several lobes. The top of the panicle and the flower-stalks are scarcely felted, the sepals uniformly grey and hairy. The ripe fruit is glossy-black. The plant flowers in July and August, and is a deciduous shrub.
Rubus carpinifolius, Wh. & N. - The habitat of this plant is wood borders, hedges, heaths, open places in hilly districts. The habit is erect, arched. The leaves are plaited, with long teeth, soft beneath, the terminal leaflets long, usually oval, with a long point. The panicle is narrow, pyramidal, or in a sort of raceme, with branches erect, or widespreading. The sepals are widely spreading in fruit. The petals are white. The panicle is very prickly and pale-coloured. The fruit is large. The plant flowers in July and August, and is a deciduous shrub.
The habitat of this plant is thickets, open woods, heaths, and hilly slopes. The habit is prostrate, arched. The leaflets are hollowed, lobed, toothed, with incurved wavy edges, greenish-white, soft, with felted down below, thick. The terminal leaflets are broadly egg-shaped, heart-shaped. The panicle is long, the top ultra-axillary, the branches short and widespreading. The flowers are pink, as also the stamens and style. There are no glands. The plant flowers in July, and is a deciduous shrub.