Doubtfully distinct from the above species. The type spacimen from Afghanistan, does look a little different by being robust and having elongated lax infructescence, small obtriangular siliculae (c. 5 mm long, 2.5 mm broad) with a prominent apical notch and somewhat deflexed pedicels The following specimens, mostly the robust ones, come near it or similar to it, but the variation in T cochleariforme, specially in fruit characters, is sufficiently wide. However, it has comparatively smaller petals 3-5 mm long, and usually smaller fruits, c.5 mm long, 2.5 mm broad. The floral and fruit characters overlap for both the species.

Fl. Per.: April-July

Type: Afghanistan: Bharowul, Griffith (G, K).

Distribution: Afghanistan, Pakistan and Kashmir.

It appears that this species is more common in drier hills of Afghanistan and Pakistan, while T. cochleariforme DC. is chiefly Himalayan and C. Asian in comparatively wet climate. However, intermediate forms are not lacking between the two species.