||The Sciascinous vine is of uncertain origins, as uncertain is the question of whether or not it corresponds to the black Olivella grape variety. In fact, the confusing situation is due to the fact that the name Olivella was occasionally attributed to many vines, due to the resemblance of their grapes, to the color and to the elongated form that he could remember, in fact, an olive tree.
||Leaf: medium or large, cuneiform, pentalobata, U-open pectoral breast, upper side limbs, upper or lower closed limbs, very deep, usually inferior and open-skinned lower lateral sinuses; flap wavy in a distinctive way; the median lobe and the upper sides are folded and convex; corner at the top of the acute top lobe; upper page, light green, wrinkled, glabrous or with some rare hair along the ribs, cotone bottom page, light yellowish yellowish color, rosy ribs at the base, protruding those of I, II, III order, brightening for a certain stretch even on top page; irregular teeth, sharp teeth, well-developed, with mucron.
Bunch: quite long (20-30 cm), almost compact, cylindrical or pyramidal, often winged with one or two wings, large long visible peduncle, woody the first part, herbaceous for the rest; reddish or reddish green at the ripening of the fruit; mid-length pedicle, green with red tones; apparent reddish-looking; short-lived red-colored brush; separation of the pedicle from the aquarium very easy.
Acino: medium or large, elliptical, regular, circular cross section, pruinous peel, dark violet, thick; protruding and persistent navel; juicy flesh, simple flavor, acid, sweet, astringent; colorless juice.