Berteroa incana is a plant

Plant

Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...

 in the mustard family, Brassicaceae

Brassicaceae

Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

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Berteroa incana grows from a deep taproot and is an annual, biennial or short-lived perennial herbaceous plant

Herbaceous plant

A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...

 with alternate, simple gray-green leaves

Leaf

A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

. The foliage is rough with star shaped hairs. Young plants have a basal rosette of leaves that give rise to upright stems with simple, alternate leaves. The leaves are longer than wide. The flowers are white, numerous and arranged into racemes, though they appear to be clustered at the ends of the stems. The flowers have four petals that are deeply notched.