Assertion: birch's leaf | /r/HasProperty | 3 to 7 cm
Facets:
Source sentences:
text: The leaves have short, slender stalks and are 3 to 7 cm (1.2 to 2.8 in) long, triangular with broad, untoothed, wedge-shaped bases, slender pointed tips, and coarsely double-toothed, serrated margins.