main veins

Pancreatic acini and pancreatic islets distribute around main veins, acinar cells being stained into navy blue are closely arranged.

May appear variegated with mottled pattern over main veins. Usually upright single crown, rarely suckers. Standard.

The two main veins that connect to the heart are called the vena cava.

abaxial surface scaly, sometimes also uniformly woolly, or pubescent or strap-shaped-setose along main veins.

Basket veins, rope veins and addition veins are main veins, gray pottery with sand and soil is main quality.

Leaf blade abaxially glabrous (except at extreme base), or sparsely hairy only along main veins.

Leaf blade adaxially pale greenish to whitish along main veins against reddish background color, very shallowly lobed.

Leaves 3, in a terminal whorl, sessile or shortly petiolate, rhombic-orbicular to ovate, with 3 or 5 main veins and anastomosing veinlets.

Leaves 4 to many, very rarely 3, in a terminal whorl, petiolate, lanceolate to ovate, with 3 main veins and anastomosing veinlets.

Leaf blade usually ovate or oblong-lanceolate, main veins 5--9, outermost pair usually running along margins.

main veins 3 or more, transverse veinlets numerous.

Leaf blade abaxially not hairy, or pilose on main veins.

both surfaces glabrous except for glandular-setose midrib and main veins, setae towards base;