| 释义 |
ˈroot-leaf
[f. root n.1]
A radical leaf.
1712Phil. Trans. XXVII. 385 The Root-leaves [of sciatica cresses] stand on long foot-stalks. 1796Withering Brit. Pl. (ed. 3) II. 198 The root-leaves..are never wing-cleft. 1847W. E. Steele Field Bot. 47 Root-leaves..long-stalked, divided into 3 deep. 1870Hooker Stud. Flora 359 Spiranthes autumnalis,..flowering-stem sheathed distinct from the root-leaves. |