| 1. | The vertical seed is ellipsoid, with yellowish brown, membranous, hairy seed coat.
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| 2. | The horizontal seed is black, with a hard, thin, glossy seed coat.
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| 3. | The vertical seed is orange to red-brown, with slightly papillose seed coat.
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| 4. | The seed coat varies from thin to thick and woody to crusty.
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| 5. | Other physical defenses include spines, hairs, fibrous seed coats and hard endosperm.
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| 6. | It's nice to see coats and jackets coming out of the closet.
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| 7. | Nonetheless, the seed coats are not very nutritious, and are thus discarded.
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| 8. | The surface may have a variety of appendages ( see Seed coat ).
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| 9. | In many plants, the seed coat still covers the cotyledons for extra protection.
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| 10. | The seed coat ( testa ) may be smooth or ribbed.
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