There are many branches in the fragrant plant, the whole plant is densely covered with fine white hairs, and the stem is thin.
The stem of Mentha haplocalyx is erect, about 30 to 60 cm high, with slender fibrous roots and horizontal creeping rhizomes in the lower segments, sharp quadrangular, with four grooves.
Touch fragrant leaves fleshy, interactive, green color, oval shape, the edge of the leaf has blunt serrations.
Mint leaves are oblong lanceolate, oval lanceolate, elliptic or lanceolate, slightly oblong, about 3 to 5 cm long, 0.8 to 3 cm wide, apex acute, base cuneiform or nearly round.
The flower that touches fragrance is cyme, flower tube, flower is very small, show white or lilac..
Mint cyme axillary, the outline of the inflorescence is spherical, the diameter of the flower is about 18 mm, the flower is lilac.