(Fig. 6)
An Encyclopaedia of Plants [2nd ed]: 1208 (Loudon 1841).
TYPUS. — Kashmir. Waziristan, J. L. Stewart 274b (lecto-, K).
SPECIMENS EXAMINED. — Iran. Khorasan, Bojnord, 1593 m, 37°50’31”N, 57°31’25”E, 03.X.2009, Memariani, Zangooei & Arjmandi 43358 (FUMH); West of Bojnord, 37°26’39”N, 56°47’06”E, 1425 m, 09.VIII.2008, Memariani, Zangooei & Arjmandi 41331 (FUMH).
NOTE
The closest relative of this species is C. insignis. C. insignis is diagnosed by having elliptic-obovate leaves, 30-60 × 20- 40 mm, base widely to narrowly cuneate, upper surface midgreen; petiole 5-10 mm; lax inflorescence, 6-20- flowered inflorescence and peduncle up to 20 mm. While C. ellipticus is distinguished by having orbicular- elliptic leaves (20-40 × 20-34 mm), base widely obtuse to rounded, upper surface dark bluish green; petiole 4-7 mm; compact inflorescence, 5-13- flowered inflorescence and peduncle up to 9 mm (Fig. 6). This species occurs in Pakistan, Kashmir (Fryer & Hylmö 2009) and Iran.