Please tidy up your locality name: Uitsig Pass is where it maps to.
If this is in the Cedarberg Wilderness Area, please state so in the Details of Location.

Size please, and leaves and inflorescence branching ...
Flowers on their own are insufficient for an ID in the larger Irid groups.

Moraeas of the Cedarberg

yellow:
anomala
fugax fugax
inconspicua
neglecta
ramosissima

small:
gawleri
unguiculata

purple:
ciliata
crispa
gracilenta
tripetala

pink:
barkerae

white:
tricuspidata

Possibilities:
falcifolia - flowers crowded at ground level, leaves falcate, several (out)
lugubris - plumose styles! (out)
macrocarpa *** but need - not evident in foto: flower small, 1 leaf, capsule long, flowerheads single, terminal.
papilionacea **: but need - not evident in foto: 3-4 leaves at base, branched flowerhead with woolly spathe - but in Cedarberg poorly known, pale yellow with hairs confined to margins.

plate in Ann. K'bosch Bot. Gard 14 p. 145