Asphodeline is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of perennial plants in the family Xanthorrhoeaceae

Xanthorrhoeaceae

Xanthorrhoeaceae is the botanical name of a family of flowering plants in the order Asparagales. Such a family has been recognized by most taxonomists, but the circumscription of the family has varied wildly....

, subfamily Asphodeloideae. From the Mediterranean, it has fleshy roots and fragrant, starry flowers that are yellow in May to June.
It grows up to 4 ft in well-drained soil.
Its foliage is blue-green

Blue-green

Blue-green is a color that is a representation of the color that is between blue and green on a typical traditional old-fashioned RYB color wheel.Blue-green is belongs to the cyan family of colors....

 and grassy, with tall, narrow flower spikes. It takes at least three years before newly-planted seedlings flower. The yellow flowers always make an interesting addition to the late-spring garden. The individual flowers on the spikes open in a seemingly random order, and do not last long, being replaced quickly by other flowers.

Species

• A brevicaulis (Bertol.) J.Gay ex Baker
• A damascena (Boiss.) Baker
• A liburnica (Scop.) Rchb.
• A lutea (L.) Rchb.
• A taurica (Pall.) Endl.

List source :