At first I thought this was an orchid, then I found out that Trimezia steyermarkii [walking Iris], belongs to family Iridaceae just like its cousin Gladiolus [sword Lily] or the commonly recognisable types, the bearded irises or flag irises.

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Trimezia steyermarkii is a species of flowering plants in the family Iridaceae, native to the warmer parts of Central America and the West Indies.

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Plants are up to 150 cm tall, with rhizomes up to 2-4 cm long and 2-3 cm wide; leaves are lanceolate, 60-150 cm long by 2 cm wide; flowers are yellow with brown spots.

Source: Wikipedia

Note:

Rhizomes is a stem of a plant that is usually found underground, often sending out roots and shoots from its nodes.

Lanceolate: Having the general shape of a lance; much longer than wide, with the widest part lower than the middle and a pointed apex.