茎直立，具条纹的暗深红色，40厘米。

Stem erect, dull crimson striate, to 40 cm.

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直根长圆筒状的，根深具一纤细和拉长的茎达土壤表面。

Taproot long-cylindric, deep-rooted with a slender and elongated stem to soil surface.

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选取当年生半木质化、具腋芽的香椿茎段作为外植体，诱导腋芽萌发，进行芽苗增殖和生根培养。

The new semi-ligneous stem nodes of Toona sinensis with axillary buds was taken as explant cultured in vitro to induce axillary bud sprouting and bud multiplications.

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