Taxon	Abaxial epidermis				Figure
Taxon	Outline of the pair of guard cells	Inner margin of outer stomatal rim	Cuticular membrane ornamentation	Wax ornamentation	Figure
Sect. Ligusticum
L. acuminatum	NE	Smooth	Striate	Invisible	4(m)
L. ajanense	Ell	Smooth	Wrinkled & Striate	Scales	5(o)
L. angelicifolium	Ell	Smooth	Striate	Invisible	4(n)
L. brachylobum	NE	Smooth	Striate	Invisible	5(f)
L. delavayi	Ell	Smooth	Smooth	Invisible	4(i)
L. discolor	Ell	Erose	Striate	Flackes	5(l)
L. elatum	Ell	Smooth	Striate	Invisible	6(b)
L. jeholense	Ell	Smooth	Sparse radiating Striate	Invisible	5(m)
L. kingdon-wardii	NE	Smooth	Striate	Invisible	6(d)
L. litangense	Ell	Smooth	Striate	Invisible	4(c)
L. littledalei	Ell	Smooth	Striate	Invisible	4(l)
L. nematophyllum	Ell	Smooth	Striate	Invisible	4(f)
L. pteridophyllum	WE	Nearly Smooth	Striate	Invisible	4(b)
L. reptans	NE	Smooth	Striate	Invisible	6(c)
L. sinense	NE	Erose	Striate	Invisible	4(g)
L. sinense cv. Chuanxiong	NE	Smooth	Sparse radiating Striate	Invisible	6(h)
L. tachiroei	NE	Erose	Striate	Invisible	4(d)
L. tenuisectum	Ell	Smooth	Striate	Invisible	5(e)
L. tenuissimum	NE	Erose	Striate	Invisible	5(g)
L. thomsonii	Ell	Erose	Striate	Invisible	5(j)
L. yanyuanense	Ell	Erose	Sparse radiating Striate	Parcels	5(h)
Sect. Pinnatibracteola
L. capillaceum	Ell	Smooth	Striate	Invisible	5(c)
L. daucoides	Ell	Erose	Wrinkled	Scales	4(a)
L. franchetii	NE	Erose	Striate	Invisible	6(e)
L. hispidum	Ell	Smooth	Wrinkled	Flacks	4(e)
L. involucratum	Ell	Smooth	Radiating Striate	Invisible	4(h)
L. likiangense	Ell	Smooth	Sparse radiating Striate	Invisible	4(k)
L. multivittatum	Ell	Smooth	Striate	Invisible	5(d)
L. oliverianum	Ell	Erose	Striate	Invisible	4(j)
L. rechingerianum	Rou	Erose	Smooth	Scales	6(g)
L. scapiforme	Ell	Erose	Wrinked & Striate	Invisible	4(o)
L. sikiangense	Ell	Smooth	Striate	Invisible	5(a)
Species not included in Pu’s division
L. mairei	Ell	Smooth	Striate	Invisible	5(b)
L. moniliforme	Ell	Smooth	Striate	Invisible	6(f)
L. mucronatum	Ell	Erose	Striate	Invisible	5(i)
L. nullivittatum	Ell	Smooth	Concentric Striate	Invisible	5(k)
L. pseudodaucoides	Ell	Smooth	Wrinkled & Striate	Invisible	6(a)
L. weberbauerianum	Ell	Smooth	Concentric Striate	Invisible	5(n)