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Convolvulaceae
Plants of the Morning Glory Family

Convolvulus arvensis. Field Bindweed.

      If you have ever seen a morning glory blossom then you will know this family. The flowers are regular and bisexual with 5 separate sepals and 5 united petals. The corolla (petals) is often slightly twisted and may have a star pattern inside. There are 5 stamens attached at the base of the flower tube. The ovary is positioned superior. It consists of 2 (sometimes 3 to 5) united carpels (syncarpous) with the partition walls present, forming an equal number of chambers. It matures as a capsule with 1 to 2 seeds per carpel. Worldwide, there are 50 genera and 1,400-1,650 species, including 10 genera in North America. The sweet potato is Ipomoea batatas. The seeds of I. tricolor and Turbina corymbosa contain ergoline alkaloids with psychedelic properties, producing a similar effect to LSD in large doses. Seeds from commerical sources are often coated in toxic pesticides.



Key Words: Usually vining plants with star-like creases in funnelform flowers.

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Convolvulus arvensis. Field Bindweed.

Convolvulus arvensis. Field Bindweed. An imported, widespread weed.

 Convolvulus arvensis. Field Bindweed.

Convolvulus arvensis. Field Bindweed. An imported, widespread weed.

Larger Bindweed: Calystegia sepium.

Larger Bindweed: Calystegia sepium. Larger bindweed is widespread around the world, from North America to New Zealand.

Larger Bindweed: Calystegia sepium.

Larger Bindweed: Calystegia sepium. The flowers can be all white, or pink with a white star.

Purple Morning Glory: Ipomoea purpurea.

Purple Morning Glory: Ipomoea purpurea.

 Purple Morning Glory: Ipomoea purpurea.

Purple Morning Glory: Ipomoea purpurea. Purple morning glory is native to Mexico and Central America, but introduced and widespread in warm temperate regions of the world, including New Zealand and along the Pacific Coast of North America. The triangular seeds have been used as a psychedelic with effects similar to LSD.

There are more
Morning Glory Family pictures
at PlantSystematics.org.

Botany in a Day: The Patterns Method of Plant Identification
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