Tetracme secunda Boiss., Diagn. Pl. Orient. ser. 2, 1: 29. 1854.

Type: “Hab. in regno Cabulico (Griffith sub Nº 1508)”.

Holotypus: AFGHANISTAN: sine loco, s.d., Griffith 1508 (G-BOIS [G00332485]; iso-: K [K000693451, K000693453, K000693454]) .

Notes. – Boissier based the species description solely on the unicate in his herbarium and did not examine any of the K duplicates above.

Two specimens, K000693451 and K000693454, have the same collection number as the holotype but differs in being collected from Dai Hag .