Plant: slender to robust plant, leaf thick, ridged.

Flowers:3 –10, petals plain, deep blue. Column palest violet with a narrow violet band underlying the bright yellow top; column top scarcely domed over, with toothed margins and forward pointing side lobes. Column arms long, curved upwards, tipped with thin white cilia.

Flowering: October to December.

Habitat: damp or dry ground - open kauri and gumland scrub in the Northland south to Nelson.

Conservation: locally common; not threatened.

Notes: like T. tholiformis but column top wide open and back sloping.

Key features: Column top scarcely domed over, deeply cleft with long column arms.