Old Man’s Beard, Barbas de Chivato, Texas Virgin’s-bower

Clematuis drummondii

Family: Ranunculaceae

Plant Description: A woody vine with stems to 3 m or longer. Leaves pinnate with leaflets 1-3.5 cm long, variously lobed or toothed, opposite. Flowers loosely clustered, the sexes on separate plants. Tepals 6-10 mm long, greenish white, often tinged with purple. Fruits long-tailed, feathery.

Plant Trivia: Spanish name translates to “goat’s beard.”

Field Identification: Easily identified by its namesake; looks like a plant full of white beard. Robust hairy vines.

Occurrence: Common on sandy and clayey loams or caliche in pastures and woods.

Bloom Period: May – September

Plant Use: Larval host for the fatal metalmark butterfly.

Key to species of Clematis:

  1. Tepals thin, greenish white………………………………………………….C. drummondii

Tepals leathery, dark purple within…………………………………………...C. pitcheri