Question: Which is a genus, Dill or Koelreuteria? 

Context paragraphs:
Dill: Dill ("Anethum graveolens") is an annual herb in the celery family Apiaceae.  It is the only species in the genus "Anethum".  Dill is widely grown in Eurasia where its leaves and seeds are used as a herb or spice for flavouring food.

Dolichoderus kinabaluensis: Dolichoderus kinabaluensis is a species of ant in the genus "Dolichoderus".  Described by Dill in 2002, the species is endemic to Borneo.

Dolichoderus pilinomas: Dolichoderus pilinomas is a species of ant in the genus "Dolichoderus".  Described by Dill in 2002, the species is endemic to Borneo.

Dolichoderus pastorulus: Dolichoderus pastorulus is a species of ant in the genus "Dolichoderus".  Described by Dill in 2002, the species is endemic to Borneo.

Dolichoderus maschwitzi: Dolichoderus maschwitzi is a species of ant in the genus "Dolichoderus".  Described by Dill in 2002, the species is endemic to Borneo.

Koelreuteria: Koelreuteria is a genus of three species of flowering plants in the family Sapindaceae, native to southern and eastern Asia.

Dill oil: Dill oil is an essential oil extracted from the seeds or leaves/stems (dillweed) of the Dill plant.  It can be used with water to create "dill water".  Dill (Anethum graveolens) is an annual herb in the celery family Apiaceae.  It is the sole species of the genus Anethum.

Dolichoderus magnipastor: Dolichoderus magnipastor is a species of ant in the genus "Dolichoderus".  Described by Dill in 2002, the species is endemic to Borneo.

Apiaceae: Apiaceae or Umbelliferae, is a family of mostly aromatic flowering plants named after the type genus "Apium" and commonly known as the celery, carrot or parsley family.  It is the 16th-largest family of flowering plants, with more than 3,700 species in 434 genera including such well-known and economically important plants such as angelica, anise, asafoetida, caraway, carrot, celery, chervil, coriander, cumin, dill, fennel, hemlock, lovage, cow parsley, parsley, parsnip, sea holly, giant hogweed and silphium (a plant whose identity is unclear and which may be extinct).

Argyranthemum: Argyranthemum (marguerite, marguerite daisy, dill daisy) is a genus of flowering plants belonging to the family Asteraceae.  Members of this genus are sometimes also placed in the genus "Chrysanthemum".

Supporting paragraphs: Dill Koelreuteria
Answer: Koelreuteria