They are sulphur-yellow, without markings, a tint distinct from any other known Indian species.

In the place of the gloom succeeded a strange sulphur-yellow glare which lay on the spirit with almost physical oppression.

Spores copious, sulphur-yellow.

Above the coffin by my head there grew A flower for a symbol sweet and tragic, Violet and sulphur-yellow was its hue, It seemed to throb with love's mysterious magic.