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What is the difference between Cinnamomum osmophloeum and Cinnamomum japonicum? A quick guide to telling them apart

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Plant differences: The trunk of Cinnamomum osmophloeum grows to about 12 m tall, while the trunk of Cinnamomum japonicum grows 10 to 15 m tall. Leaf differences: Cinnamomum osmophloeum leaves tend to be slender and elongated, with a grayish-white underside; Cinnamomum japonicum leaves tend to be more oval, with a dull grayish-green underside. Flower differences: Cinnamomum osmophloeum pedicels are shorter and more slender, while Cinnamomum japonicum pedicels are longer.

I. Differences in the plant

Cinnamomum osmophloeum is a medium-sized tree, with a trunk about 12 m tall, carrying a pleasant fragrance; its branches and leaves are relatively slender, with no fine hairs.

The trunk of Cinnamomum japonicum is about 10 to 15 m tall, with a diameter of 30 to 35 cm, and the bark color is red or reddish-brown.

II. Differences in the leaves

The leaves of Cinnamomum osmophloeum tend to be slender and elongated, 8 to 12 cm long and 2.5 to 5.5 cm wide, hairless above, grayish-white beneath, with a petiole about 1 cm long.

Cinnamomum japonicum leaves tend to be more oval, 7 to 10 cm long and 3 to 3.5 cm wide, glossy green above and a dull grayish-green beneath.

III. Differences in the flowers

The pedicels of Cinnamomum osmophloeum are shorter and more slender, 8 to 12 mm long.

The pedicels of Cinnamomum japonicum are relatively longer, about 1.5 to 3 cm long.

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