Convolvulaceae vs Solanaceae Key Differences Every Botanist Should Know
Convolvulaceae is the morning glory family; Solanaceae is the nightshade family. One gives you ornamental vines, the other tomatoes and potatoes. Same star-shaped flowers, so botanists keep them separate at family level.
Gardeners often mix them up because both families have five-petalled, funnel-shaped blooms. A casual glance at sweet potato and pepper flowers can fool anyone—until you check the fruit or leaf arrangement. They simply look alike at first sight.
Key Differences
Convolvulaceae usually has milky sap, heart-shaped leaves, and often twining vines. Solanaceae generally shows lobed or compound leaves, no milky sap, and erect or bushy growth. Fruits differ too: capsules vs berries.
Which One Should You Choose?
For ornamental climbers, pick Convolvulaceae like morning glory. For edible crops—tomato, potato, eggplant—go with Solanaceae. Match the plant to your garden goal: beauty or harvest.
Examples and Daily Life
Sweet potato vines on your fence? Convolvulaceae. Chili peppers on the patio? Solanaceae. Spot the difference by checking the fruit and growth style next time you stroll through the produce aisle or your backyard.
Can I grow both families side by side?
Yes, just give each its preferred space and soil. One climbs, the other bushes out.
Are both families safe to eat?
Solanaceae crops are staples; Convolvulaceae gives sweet potato. However, some morning glory seeds are toxic—stick to edibles.