Blade |
Oblong to oblong-elliptic |
Oblong or ovate oblong |
Lanceolate to subovate or elliptic |
Petiole |
2–2.2 cm, abaxially subrounded, rugose, adaxially sulcate, puberulent |
Subterete, abaxially rugose, adaxially slightly impressed |
2–8 mm, pubescent, groovy |
Margin |
Doubly serrate or densely serrate |
Sparsely serrate |
– |
Base |
Obtuse or cuneate |
Rounded or broadly cuneate |
Broadly cuneate or subrounded |
Apex |
Acute or short acuminate |
Short or long acuminate |
Long acuminate |
Texture |
Leathery |
Thickly leathery |
Papery |
Mid vein |
Raised and keeled abaxially, impressed and sparsely puberulent adaxially |
Impressed adaxially |
– |
Lateral vein |
Evident on both surfaces |
Obscure abaxially, obvious adaxially |
– |
Vein-pair |
5–7 |
– |
– |
Vein-angle |
About 50° |
– |
– |