Rubus phoenicolasius is
a deciduous shrub growing 2m or more in height in a vine way,
inhabiting sunny locations in mountainous regions, with dense, long
purple glandular hairs and 4-8mm long fine prickles on stems and
branches. Leave are alternate of a 10-20cm-long imparipinnate
compound leaf. Units to set flowers have single leaflet pairs with
indented serrate margins. The leaflet's backsides possess dense
fluffs, and veins and petioles own glandular hairs and prickles.
Branch tops set gatherings of light red-purple flowers; petals,
about 5mm long, erect, and sepal's backsides with dense glandular
hairs, mingling in them are some vellus hairs. The fruit, spherical,
about 1.5cm across, ripen in red. Flower time: June-July.