| 21. | Achenes have a course network of raised decorations on the surface.
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| 22. | Achenes are reddish-brown, up to 3 mm long.
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| 23. | Achenes are egg-shaped, up to 1 mm long.
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| 24. | Fertilized flowers produce achenes with 2 sterile chambers and one fertile chamber.
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| 25. | The fruit consists of one to four drupelets or achenes.
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| 26. | There is a crown on the body of the achene.
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| 27. | The seeds are achenes with bristles at their tips ( cypselae ).
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| 28. | The fruit is a glossy achene about a millimeter long.
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| 29. | The fruits are hairy cylindrical achenes about 7 to 8 mm long.
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| 30. | The fruit is a shiny brown achene one to two millimeters long.
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