Table 1. Significantly enriched KEGG pathway of DEGs in limbs of P. axillaris.

Pathway	Annotation	No. of genes	P-value
Phenylpropanoid biosynthesis	ath00940	28	**
Phenylalanine metabolism	ath00360	14	**
Phenylalanine, tyrosine and tryptophan biosynthesis	ath00400	12	**
Stilbenoid, diarylheptanoid and gingerol biosynthesis	ath00945	12	**
Flavonoid biosynthesis	ath00941	11	**
Valine, leucine and isoleucine degradation	ath00280	10	**
Fatty acid degradation	ath00071	10	**
Butanoate metabolism	ath00650	6	**
Limonene and pinene degradation	ath00903	6	**
Carotenoid biosynthesis	ath00906	6	*
Zeatin biosynthesis	ath00908	4	*

Fisher’s exact test was used for statistical analysis (*P < 0.05; **P < 0.01).