CALYSTEGIA - Great bindweeds The great bindweeds are perennial herbs that produce a white latex-like substance when the plants are broken or cut. The long stems are twining or scrambling through other vegetation or along the ground. The large flowers are funnel-shaped. The plant is commonly found climbing over stone walls or scrambling through the vegetation along roadsides. 3 species reported from Corfu.Calystegia silvatica - Great bindweed Great bindweed is a vigorous twining and climbing species with arrow-shaped leaves and very large white flowers sometimes striped with pink. The flower bracts are widely overlapping.
Convolvulus altheoides - Mallow-leaved bindweed A variable species with deep pink flowers: The lower leaves are either heart- or kidney- shaped and often have a wavy margin while the upper generally are deeply lobed. The mallow-leaved bindweed is found in rocky habitats, dry fields or banks and along roadsides.
Convolvulus arvensis - Bindweed This is a creeping or climbing species with arrow-shaped or oblong leaves and white or pink-striped flowers. Bindweed is a common and widespread species found growing on waste ground and along roadsides.
Convolvulus elegantissimus (C. altaheoides ssp. tenuissimus) - Elegant bindweed The elegant bindweed was formerly classified as a subspecies of mallow-leaved bindweed and differ from this by having silky haired leaves. All of the leaves are also more or less deeply divided into unequal, narrow lobes.