Often fertile, with small, 5-keeled perianths. Examples of flowers with much reduced perianths are found among the grasses. The hermaphroditic flowers are radially symmetrical with double perianths. The flowers are minute and lack perianths. The tubular perianths of the individual flowers are long. The perianths of neighbouring flowers are often fused. Flowers (perianths) are whitish green. Flowers with spiral perianths tend to also be those with undifferentiated perianths. The inner perianths of this iris are an intermediate type between two parents. Some perianths and some coronas may also contain more than one colour or shade. These have whitish pink to fawn perianths and pale pink to pale crimson styles. The funnel-shaped flowers are solitary, with pink to rose red perianths. Perianths&colon; six tepals divided into two whorls, free or joined (connate). Appearing in summer, the inflorescences are composed of single yellow flowers and have hairy perianths. Flowers have white or pink perianths with yellow labella with red spots and stripes.