What are the morphological characteristics of the yew?
Evergreen tree, up to 30 m tall, trunk diameter reaching 1 m. Leaves spirally alternate, twisted at the base into two ranks, linear and slightly curved, 1-2.5 cm long, 2-2.5 mm wide, leaf margins slightly recurved, leaf tips gradually pointed, with 2 broad yellow-green or gray-green stomatal bands on the underside, the midrib densely covered with tiny raised dots, the green band at the leaf margin extremely narrow, dioecious, male cones solitary in the leaf axils, the ovule of the female cone solitary at the tip of a short lateral stalk on the upper part of the flower axis, with a disc-shaped aril at the base. Seeds flat ovoid, with 2 ridges, seed ovoid, aril cup-shaped, red.
Evergreen tree, up to 30 m tall, trunk diameter reaching 1 m. Leaves spirally alternate, twisted at the base into two ranks, linear and slightly curved, 1-2.5 cm long, 2-2.5 mm wide, leaf margins slightly recurved, leaf tips gradually pointed, with 2 broad yellow-green or gray-green stomatal bands on the underside, the midrib densely covered with tiny raised dots, the green band at the leaf margin extremely narrow, dioecious, male cones solitary in the leaf axils, the ovule of the female cone solitary at the tip of a short lateral stalk on the upper part of the flower axis, with a disc-shaped aril at the base. Seeds flat ovoid, with 2 ridges, seed ovoid, aril cup-shaped, red.