''Capsella grandiflora'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the Brassicaceae family. It is referred to by the common name grand shepherd's-purse and is a close relative of ''

Arabidopsis thaliana ''Arabidopsis thaliana'', the thale cress, mouse-ear cress or arabidopsis, is a small flowering plant native to Eurasia and Africa. ''A. thaliana'' is considered a weed; it is found along the shoulders of roads and in disturbed land. A winter a ...

''. It is predicted together with ''

Capsella orientalis ''Capsella orientalis'' is a plant species described by Mikhail Vasilevich Klokov. ''Capsella orientalis'' is a part of the genus '' Capsella'', and the family Brassicaceae. References orientalis Plants described in 1926 {{Brassical ...

'' to be the surviving progenitor of '' Capsella bursa-pastoris''. The main signature of this plant compared to other ''Capsella'' species is its wide flower petals. Together with ''Capsella rubella'', this plant is used as a

model plant A model organism (often shortened to model) is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the model organism will provide insight into the working ...

to study the evolution of

self-incompatibility Self-incompatibility (SI) is a general name for several genetic mechanisms that prevent self-fertilization in sexually reproducing organisms, and thus encourage outcrossing and allogamy. It is contrasted with separation of sexes among individuals ...

into self-compatibility in plant reproduction.

References

grandiflora Plants described in 1843 Taxa named by Louis Athanase Chaubard Taxa named by Pierre Edmond Boissier {{Brassicales-stub