(of a leaf shape) round, with the stem attached near the center of the lower surface rather than the margin (as a nasturtium leaf for example)
例句
用作形容词 (adj.)
Using scanning electron microscopy techniques to observe the leaves surface of Alnus mandshurica and find it far axial epidermis with peltate glandular hairs. 利用电镜扫描技术,观察东北桤木叶片表面,发现其远轴面表皮上具有盾状腺毛。