Table 1.

Comparison of morphological characters among Primulamedogensis, P.baileyana and P.rotundifolia.

Characters	Primulamedogensis	P.baileyana	P.rotundifolia
Root	dense grayish hairs	Glabrous	Glabrous
Stem	straight old petioles at the base	twisted old leaves at the base	twisted old petioles at the base
Petiole	3–7 times as long as the leaf blade	1–3 times as long as the leaf blade	1–3 times as long as the leaf blade
Leaf blade	0.4–2.3 cm wide	0.5–4.0 cm wide	4–12 cm wide
	mostly reniform	mostly suborbicular	Suborbicular
	abaxially pale-yellow farinose	abaxially white farinose	abaxially yellow farinose
	margin revolute	margin not revolute	margin not revolute
Scape	one flower	umbel 1–7 flowered	umbel 2–16 flowered
	shorter than or equal to leaves	2–3 times as long as leaves	1.5–2 times as long as leaves
Calyx	pale- yellow farinose inside, veins 3	white farinose inside, veins 5	yellow farinose inside, veins 3
Corolla	lobes deeply emarginate	lobes deeply emarginate	lobes margin entire to obscurely crenulate
Capsule	broad-ovoid to globose, shorter than calyx	ovoid to oblong, ca. as long as calyx	oblong, longer than calyx