The flowers are across, and yellowish orange with reddish veining. The rock comprises light grey, unbedded, micritic limestone, heavily jointed with calcite veining. The undersides are brown, turning white distally with dark veining. The mineralisation is characterised by sheeted greisen veining and stockworks containing wolframite and cassiterite. The hindwings are pale fuscous with darker veining. The white forms of the iris have a tinge of lavender and dark veining. Leaf blade underside is covered with stellate hairs or scales.prominent veining. Chalcopyrite, pyrrhotite and pentlandite are deposited throughout shear zones which lack quartz veining. Some references mention pale to dark yellow forms with darker veining. The standards are slightly paler than the falls, they have white veining on the throat. The forewings are black with dark veining and green scales. They also have a darker purple veining and a yellow-white signal. They are white to light purple or pink with dark veining. Some references describe a dark purple area with white veining. With a central white area and purple veining or marking.