Mid-season tulip hybrid groups

TRIUMPH Single cup-shaped flowers, wide colour range, often with contrasting markings. Mid- to late spring.

DARWIN HYBRID TULIPS Single ovoid flowers, bright colours, often with contrasting margins and bases. Midto late spring.

Source: Conran, J. (2005). Liliaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Liliales
family       Liliaceae
genus        Tulipa L.