1	Heads with 5–10 florets; with only rather short involucral bracts at base; corollas 5–6 mm long; leaf blades with crenate margins	2
–	Heads with 20–40 florets; with elongate filiform bracts at base; corollas 7–11 mm long; leaf blades with serrate margins	3
2	Undersurfaces of leaves and branches of inflorescence with short hispidulous pubescence; heads with ca. 10 florets	Jeffreycia hildebrandtii
–	Undersurfaces of leaves and branches of inflorescence with long hairs forming tomentum; heads with ca. 5 florets	Jeffreycia zeylanica
3	Corollas with cluster of long stiff hairs at tips of lobes; leaf blades usually ovate with margins closely serrate; with small bracteoles in the inflorescences	Jeffreycia zanzibarensis
–	Corollas lacking cluster of long hairs at tips of lobes; leaf blades oblong or elliptical; with remotely serrate margins; inflorescences with large foliiform primary bracteoles	4
4	Peduncles with appressed stiff hairs; leaf blades shortly pubescent below; inner involucral bracts to ca. 8 mm long	Jeffreycia amaniensis
–	Peduncles with mostly spreading, crisped hairs; leaf blades crispate pubescent below, somewhat obscurely pubescent on lamina surface; inner involucral bracts ca. 6 mm long	Jeffreycia usambarensis