Taxon	Adaxial Epidermis		Abaxial Epidermis					Figure
Taxon	Stomatal apparatus	Pattern of anticlinal walls	Shape of ordinary cells	Pattern of anticlinal walls	Stomatotype	Stomata index (%)	Size of stomata (µm)²	Figure
Sect. Ligusticum
L. acuminatum	A	Sinuous	Irr	Sinuous	Ano	18.6	13.37 × 7.47	1(m), S1(m)
L. ajanense	A	Str-Arc	Irr	Repand	Ani	25.8	24.18 × 12.39	2(o), S2(o)
L. angelicifolium	A	Repand	Irr	Repand	Ani	24.4	22.96 × 11.69	1(n), S1(n)
L. brachylobum	P	Repand	Irr	Repand	Ani	28.6	21.49 × 10.95	2(f), S2(f)
L. delavayi	P	Repand	Irr + rectangular	Repand	Ani	18.0	15.37 × 9.26	1(i), S1(i)
L. discolor	P	Sinuous	Irr	Sinuous	Ano	23.1	21.19 × 10.00	2(l), S2(l)
L. elatum	P	Str-Arc	Pol	Str-Arc	Ani	17.9	16.13 × 10.67	3(b), S3(b)
L. jeholense	A	Sinuous	Irr	Sinuous	Ano	20.6	17.29 × 9.65	2(m), S2(m)
L. kingdon-wardii	A	Str-Arc	Irr	Sinuous	Ano	18.2	25.09 × 14.15	3(d), S3(d)
L. litangense	P	Str-Arc	Pol	Str-Arc	Ani	23.6	19.85 × 10.15	1(c), S1(c)
L. littledalei	A	Repand	Irr	Sinuous	Ano	25.0	16.82 × 10.71	1(l), S1(l)
L. nematophyllum	A	Repand	Irr	Repand	Ani	21.1	24.00 × 12.91	1(f), S1(f)
L. pteridophyllum	A	Sinuous	Irr	Sinuous	Ano	23.5	18.46 × 12.69	1(b), S1(b)
L. reptans	A	Str-Arc	Pol	Str-Arc	Ani	30.1	18.90 × 9.59	3(c), S3(c)
L. sinense	A	Sinuous	Irr	Sinuous	Ano	28.4	15.24 × 5.95	1(g), S1(g)
L. sinense cv. Chuanxiong	A	Repand	Irr	Sinuous	Ano	19.3	23.35 × 14.65	3(h), S3(h)
L. tachiroei	A	Str-Arc	Irr	Repand	Ani	15.4	15.92 × 7.50	1(d), S1(d)
L. tenuisectum	A	Repand	Irr	Sinuous	Ani	18.9	29.09 × 9.48	2(e), S2(e)
L. tenuissimum	A	Str-Arc	Pol	Str-Arc	Ani	15.9	18.82 × 8.97	2(g), S2(g)
L. thomsonii	P	Str-Arc	Irr	Repand	Ani	19.8	17.05 × 10.21	2(j), S2(j)
L. yanyuanense	P	Str-Arc	Pol	Str-Arc	Ani	23.4	22.46 × 13.28	2(h), S2(h)
Sect. Pinnatibracteola
L. capillaceum	P	Repand	Irr	Repand	Ani	20.6	14.25 × 10.38	2(c), S2(c)
L. daucoides	P	Repand	Irr	Repand	Ani	17.6	17.41 × 11.53	1(a), S1(a)
L. franchetii L. hispidum	A	Repand	Irr	Sinuous	Ano	25.2	15.51 × 9.31	3(e), S3(e)
L. franchetii L. hispidum	P	Repand	Irr	Repand	Ani	11.0	13.81 × 8.21	1(e), S1(e)
L. involucratum	P	Str-Arc	Irr	Repand	Ani	17.7	20.76 × 13.03	1(h), S1(h)
L. likiangense	P	Str-Arc	Irr	Repand	Ani	19.0	21.22 × 12.44	1(k), S1(k)
L. multivittatum	P	Repand	Irr	Sinuous	Ano	17.0	13.25 × 9.67	2(d), S2(d)
L. oliverianum	P	Sinuous	Irr	Sinuous	Ani	17.3	15.90 × 10.86	1(j), S1(j)
L. rechingerianum	P	Str-Arc	Pol	Str-Arc	Ani	12.8	13.91 × 10.14	3(g), S3(g)
L. scapiforme	P	Repand	Irr	Repand	Ani	24.4	14.59 × 9.42	1(o), S1(o)
L. sikiangense	P	Repand	Irr	Repand	Ani	18.5	19.74 × 10.81	2(a), S2(a)
Species not included in Pu’s division
L. mairei	P	Str-Arc	Pol	Str-Arc	Ani	19.4	25.17 × 15.67	2(b), S2(b)
L. moniliforme	A	Sinuous	Irr	Sinuous	Ano	28.3	41.22 × 20.49	3(f), S3(f)
L. mucronatum	P	Str-Arc	Irr	Repand	Ani	14.9	18.82 × 13.16	2(i), S2(i)
L. nullivittatum	A	Sinuous	Irr	Sinuous	Ano	27.4	19.75 × 9.88	2(k), S2(k)
L. pseudodaucoides	A	Str-Arc	Pol	Str-Arc	Ani	25.6	21.32 × 13.09	3(a), S3(a)
L. weberbauerianum	A	Str-Arc	Pol	Str-Arc	Ani	11.7	18.89 × 12.36	2(n), S2(n)