This shows an lanceolate leaf.
"General outline of leaves. a, linear; b, lanceolate; c, wedge-shaped; d, spatulate; e, ovate; f, obovate;…
"Lanceolate.--Lance or spear-shaped, as in tulipa sylvestris." -Newman, 1850
Lanceolate leaves are lance or spear shaped. These leaves are narrowly elliptical, tapering to each…