Daphniphyllum majus

Occurring as a shrub or as a tree, Daphniphyllum majus is a species in the family Daphniphyllaceae.

[6] This species has 4 accepted infraspecific varieties: Daphniphyllum majus grow from 2m to 10m tall.

The leaf blade is green when dry, glaucous below, oblong-elliptic or obovate-oblong in shape, (16-)20-37 × 7-14 cm, apex acuminate, reticulate veins are prominent on both surfaces.

Along with some others species of the genus, D. majus has loosely arranged conical to round palisade cells in its leaves.

[6] The species also has small (20 microns) irregular epidermal guard cells on the adaxial ("top") side of the leaf and bigger (24 microns) dome-shaped epidermal/guard cells on the abaxial side along with leaf stomata that are hemiparacytic (traits only shared with D. calycinum).

[10] The species overall is native to Thailand, Cambodia, Vietnam, southern Yunnan (where it is found in Jinghong, Maguan, Malipo, Menghai, and Pingbian counties and Simao District), Laos and Myanmar.

[10] Daphniphyllum majus is known as 大叶虎皮楠 da ye hu pi nan in China.