Cinnamon Leaf

Cinnamon Twig【Name】

Cinnamon Leaf (with Cinnamon Twig)

【Source】n

Compendium of Materia Medica Supplements

 【Common Use Level】n

F

 【Botanical Origin】n

The dried leaves and petioles of plants in the Lauraceae family, such as Cinnamon Cinnamomum cassia Presl.

nFour comparisons of the traits of Da Qing YenNamenProject 菘蓝 (Song Lan, Isatis tinctoria) 蓼蓝 (Liao Lan, Polygonum tinctorium) 马蓝 (Ma Lan, Strobilanthes cusia) 路边青 (Lu Bian Qing, Vernonia patula)nShape Extremely wrinkled leaves, forming irregular clumps Wrinkled leaves forming irregular clumps Mostly wrinkled leaves forming irregular clumps Slightly wrinkled leavesnLeaf Type Complete leaves are oblong or oblong-oblanceolate, 5-20cm long, 2-6cm wide, entire or slightly wavy, often descending to the petiole to form a wing, apex obtuse-rounded, base gradually narrow and fused with the petiole to form a wing; veins more obvious on the back, petiole 4-10cm long, grooved on the ventral side, base slightly enlarged Complete leaves are elliptical, 3-10cm long, 2-5cm wide, entire, apex obtuse, base gradually narrow; veins more prominent on the back, petiole flattened, base clasping the stem, with membranous leaf sheath Complete leaves are elliptical or ovate-oblong, 5-10cm long, 3-5cm wide, leaf margin with small shallow blunt serrations or fine line teeth, apex acuminate, base gradually narrow; veins more obvious on the back Complete leaves are oblong-elliptical, 5-12cm long, 2-6cm wide, entire, apex acuminate, base gradually narrow, without wings, some with thin cylindrical petioles, 2-5cm longnColor Gray-green, gray-brown or yellow-brown Blue-green or blue-black Black-green or dark brown Brown-yellow or brown-greennOdor Slight odor, taste slightly sour, bitter, astringent, with pickled vegetable-like odor Slight odor, faint Slight odor, faint, taste astringent and bitter Slight odor, faintnn【Characteristics】n

Leaves are oblong to nearly lanceolate, 8-20cm long and 4-5.5cm wide, apex acute, base obtuse, entire, upper surface brownish-yellow or dark brown, glossy, midrib and lateral veins obviously sunken, lower surface light brown or brownish-brown, with sparse villous hairs, with triplinerved veins from the base and obviously raised, fine veins transverse and parallel. Petiole stout, 1-2cm long, leathery, easily broken. Has a special aroma, taste slightly pungent and spicy, petiole taste stronger.nCinnamon twig (Gui Ye Di) refers to the petiole after the leaf has been cut off.

n 【Category】n

Leaf Category