Tripterocalyx micranthus (Torr.) Hook.

Growth Form

Tripterocalyx micranthus is an annual herb with an overall compact, erect, and branched growth form.

Stem Characteristics

Its red stem is hairy, glandular, sticky in texture, and reaches a maximum length of about 60 centimeters.

Leaf Structure

Each leaf consists of a fleshy, hairy green blade that can grow up to 6 centimeters long, borne on a long petiole.

Inflorescence Structure

Its inflorescence is a head of several elongated flowers: each flower grows from a long, glandular pedicel, and all pedicels attach to a small central receptacle.

Flower Morphology

Individual flowers are trumpet-shaped, pink or green-tinged, and can measure up to 1.8 centimeters long, with a corolla face up to half a centimeter wide and 4 or 5 lobes.

Fruit Features

The fruit has wide, thin, net-veined or ribbed wings extending out from its central body.

Native Habitat

This species is native to prairies, meadows, and fields.