: 1. Introduction:
Pepper, also known as: Illicium, Illicium, Powa fever, etc., belongs to the order Pepper, and is a woody climbing vine of Piperaceae and Piper. The stems and branches are hairless, the nodes are obviously enlarged, and small roots are often born. Flowers heterozygous, usually monoecious; Berries are spherical and sessile, and the flowering period is June 6~ 10/0. Growing in tropical areas with annual precipitation of 2500mm, there is still a dry and hot interval in the middle of the growing season. Indonesia, India, Malaysia, Sri Lanka and Brazil are the main exporters of pepper.
2. Morphological characteristics
Woody climbing vines; The stems and branches are hairless, the nodes are obviously enlarged, and small roots are often born. The leaves are thick, nearly leathery, broadly ovoid to ovoid-oblong, rare and nearly round, with a length of10-15cm and a width of 5-9cm, with a short tip and a round base, often slightly skewed, and hairless on both sides; Rare 9, the uppermost 1 pair is alternate, the outermost 1 pair is extremely weak, and the reticular veins are obvious; Petiole length 1-2 cm, glabrous; Leaf sheaths are elongated, often half as long as petioles.
References:
Web page link-Pepper (Baidu Encyclopedia).