a. Bot. [ad. mod.L. caulīnus, f. caulis stalk.] Of or belonging to the stem.
1756. Phil. Trans., XLIX. 835. Cauline leaves.
1807. J. E. Smith, Phys. Bot., 130. The Flower-stalk is cauline, when it grows immediately out of the main stem.
1842. Gray, Struct. Bot., iii. (1880), 86. Whatever is produced in the axil of a leaf is cauline.
1870. Hooker, Stud. Flora, 21. Cauline leaves sessile auricled.
1884. Bower & Scott, De Barys Phaner. & Ferns, 340. The vascular elements running into the leaf here abut on the cauline vessels.