1	Leaves linear, entire - margined, revolute, with clusters of younger leaves in axils		7 Scutellaria linearis
+	Leaves oblong - lanceolate, ovate to orbicular, entire to serrate, without younger leaves in leaf axils		(2)
2 (1)	Inflorescence elongated; flowers secund, in arils of upper leaves, leaf-like bracts or small flat bracts; nutlets glabrous or with spreading or adpressed hairs		(3)
+	Inflorescence four-sided, elongated or condensed; flowers subtended by large cucullate bracts; nutlets with adpressed hairs		(8)
3 (2)	Stems scrambling, up to 1.5 m long; flowers mostly in lateral inflorescences arising from leaf-awls [Kashmir & Hazara only]		(4)
+	Stems not scrambling, less than 0.75 m; flowers mostly in terminal inflorescences [throughout our are]		(5)
4 (3)	Stems with retrorse hairs, acutely quadrangular; leaves with few strigillose broad-based hairs; corolla 20 mm or more; nutlets tuberculate, pale brown, with a prominent median band		3 Scutellaria scandens
+	Stems with antrorse hairs, quadrangular; leaves densely hairy, corolla less than 20 mm; nutlets smooth, grey-black		4 Scutellaria repens
5 (3)	Flowers in axils of upper oblong-lanceolate leaves; nutlets prominently tuberculate, orange-brown plant of wet places		1 Scutellaria galericulata
+	Flowers in axils of small bracts or leaflike bracts; nutlets minutely tuberculate, black; plants of dry or rocky places		(6)
6 (5)	Calyx with a scutellum at anthesis; herb with white or cream flowers		2 Scutellaria grossa
+	Calyx without a scutellum at anthesis; chasmophytes with violet-blue flowers		(7)
7 (6)	Stems with patent or crisped, usually antrorse eglandular hairs [Quetta and Sibi]		5 Scutellaria petiolata
+	Stems with a sparse, pruinose eglandular indumentum [Chitral and Dir]		6 Scutellaria nuristanica
8 (2)	Lowermost leaves brown, scale-like, orbicular, adpressed to stem; upper leaves ovate-elliptic entire; chasmophyte		16 Scutellaria stocksii
+	Leaves all herbaceous, elliptic to ovate, crenulate to serrate; not chasmophytes		(9)
9 (8)	Upper lip of calyx with a 6-8 mm high membranous-inflated scutellum in fruit; high alpine scree plant		15 Scutellaria heydei
+	Upper lip of fruiting calyx with a c. 3 mm high scutellum, not membranous-inflated		(10)
10 (9)	Leaf margins regularly crenulate; abaxial leaf surfaces with prominent raised venation and indumentum mainly restricted to veins		11 Scutellaria chamaedrifolia
+	Leaf margins irregularly crenulate to serrate; abaxial leaf surface not with prominent raised venation		(11)
11 (10)	Inflorescence ± lax; bracts not or scarecely overlapping each other, less than 7 mm long; corolla usually yellowish with a purplish lower lip		(12)
+	Inflorescence condensed; bracts mostly imbricate longer than 7 mm; corolla usually pale yellow with a violet or purple upper lip		(13)
12 (11)	Plant with ± stiffly erect branches		8 Scutellaria multicaulis
+	Plant with ± spreading or prostrate branches		9 Scutellaria edelbergii
13 (11)	Stems and leaves densely covered with long spreading hairs; abaxial leaf surface tomentose [Kurram valley and Waziristan]		10 Scutellaria kotkaiensis
+	Stem indumentum of crisped, antrorse or retrorse hairs, usually spreading above; leaf abaxial surface never tomentose		(14)
14 (13)	Upper stem leaves ovate-elliptic, sessile, crenulate to crenate, obtuse at apex; leaf indumentum sparse, mainly on veins of veins of abaxial surface		12 Scutellaria paulsenii
+	Upper stem leaves narrow ovate to triangular-ovate, crenate to serrate, acute; leaf indumentum of short dense hairs, abaxially not confined to veins		(15)
15 (14)	Leaves ovate or triangular, truncate to cuneate at base [Kashmir, Gilgit, Swat and Hazara]		13 Scutellaria prostrata
+	Leaves narrow ovate, cuneate at base [Quetta and Waziristan]		14 Scutellarla lacei