Collinsia concolor Greene

Growth Form

Collinsia concolor Greene is an annual herb that grows an erect stem reaching up to around 45 centimeters tall.

Leaf Characteristics

Its leaves are arranged oppositely; each leaf is broadly linear in shape, flat, and may have slight toothing along the edges.

Inflorescence Structure

The inflorescence is covered in hairy glands, and forms an interrupted sequence of dense whorls of flowers.

Flower Size and Corolla Shape

Each individual flower measures between 1 and 1.5 centimeters long, has a hairy base, and a corolla split into two upper lobes and three lower lobes.

Flower Coloration

The flower ranges in color from blue to purple, with a clearly purple-dotted white area on its upper lobes.

Lower Corolla Lobe Detail

The middle lobe out of the three lower lobes has a hairy tip.