* * * Different purposes * *. Lithocarpus multispike is used as the raw material of tea because of its unique sweetness, and Lithocarpus multispike is mainly used as Chinese herbal medicine to treat respiratory diseases.
* * * Different in appearance * *. The cotyledons of litsea cubeba are papery, lanceolate or elliptic, with a tapered tail at the top, a wedge-shaped base, no hair on both sides, and 7- 10 lateral veins on each side; The petiole of Polygonum multiflorum is 2-2.5 cm long, and the base is thickened, often dark brown, sometimes grayish white and frosted; Leaf blade is leathery, oblong or ovoid, 7-14cm long and 3-4cm wide, with acute or acute apex, wedge-shaped base, hairless whole, slightly grayish white lower part, 7- 10 pairs of lateral veins, and slender and far branches.
* * * The growing environment is different * *. Litsea litsea litsea grows in gullies, streams, hillsides and other places below the altitude of1200m. Polypodiaceae grows in broad-leaved forests on slopes or valleys at an altitude of about1500 m.
The above is the difference between the two, for reference only. It is suggested to consult plant-related books or plant experts for more comprehensive information.