FIGURE 3. A in Validation of the name Quercus protoroburoides (Fagaceae)

FIGURE 3. A. Abaxial epidermis in Q. protoroburoides with three types of trichomes: glandular, star-like (2–4 ray) and bunch trichomes, in Brichebor locality; B. Abaxial epidermis in Q. protoroburoides: star-like and bunch trichomes, in Pavlov Dol locality; C. Abaxial epidermis in Q. protoroburoides: 4-ray star-like trichomes coalesced asymmetrically 2 × 2 into a scale; D. Shape of the gynaeceum styles in Q. protoroburoides;