Trees often birth decorative fruits in the contour of long , swing dark - color in pods . These fruit can sometimes be a pain in the neck in the landscape painting , litter peak beds and grass with cast away pods , while others pod are tenacious and stay on the tree for a long period of time . Pods often serve as solid food for wild doll and animals . Some are even useful to humans as solid food or other purposes . Nearly all trees that form seedpod are members of the Fabaceae fellowship .
Step 1
Since semen seedcase can be as small as an inch or less , certain tree diagram fuel pod can be believe large by compare . The eastern redbud ( Carcies canadensis ) , for example , audacious in U.S. Department of Agriculture plant hardiness zones 4 through 8 , produces brownish - black pods about 3 to 4 inch long . These pod followbright purpleness , pea plant - like flowers that brighten the tardy spring landscape . Mesquite ( Posopis sericantha ) , hardy in USDA zones 8 though 11 , bears brownish - black , 4 - inch seedpods and is see invasive in some areas .
6 to 12 Inches Long
seedcase that average 6 to 12 inches long may sometimes be smaller or great , depending on growing conditions . The carob tree diagram ( Ceratonia silique ) , hardy in USDA zones 9 through 11 , bears light brown to dark brownish - grim pods anywhere from 4 to 12 inches long . The pink orchidaceous plant tree ( Bauhinia monandra ) , brave in USDA zones 9b through 11 , put up 6- to 12 - inch fuel pod that surveil garden pink , orchid - comparable peak .
Step 2
Step 3
12 to 20 Inches Long
The northern catalpa , or cigar tree ( Catalpa speciosa ) , hardy in USDA zone 4 through 8 , is a large Sir Herbert Beerbohm Tree with white , orchid - like clusters of blossom . The 8- to 20 - in pods are brownish- to reddish - black when in full matured , and pods stay on the Sir Herbert Beerbohm Tree throughout the wintertime . It is an aggressive agriculturalist and may become encroaching in sure domain . Catalpas , while beautiful , dump an enormous amount of bedding material . First , the bountiful flowers fall off , then the large leaves , and finally , the seedpod .
More than 20 Inches Long
The gilded cascade tree ( Cassia fistula ) , hardy in USDA zones 10b through 11 , bears enormous seedpods that can reach 24 inches or more in length . The brown - black to purplish - black pods follow abundant burnished yellow-bellied flowers and hang in on the tree diagram throughout the winter . In spring , the pods decrease to the ground and can be quite difficult to clean house up . The seeds inside the pod are poisonous , so do n’t implant this tree diagram where children or animals may be attracted to the pods .
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