Epithets
| anacantha | without spines |
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| anacanthus | without spines |
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| anemophila | wind-loving |
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| anemophilus | wind-loving |
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| angulosa | with corners, prominent ridges |
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| angulosus | with corners, prominent ridges |
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| angustata | narrowed |
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| angustatus | narrowed |
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| angustifoliata | narrow leaves |
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| angustifoliatus | narrow leaves |
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| annua | annual |
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| annularis | ring shaped, ringed |
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| annuus | annual |
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| anopetala | petals ascending |
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| anopetalus | petals ascending |
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| anosma | unscented |
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| anosmus | unscented |
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| anserina | belonging to geese |
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| anserinus | belonging to geese |
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| anthopogon | bearded flower |
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| anthracina | the color of coal |
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| anthracinus | the color of coal |
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| aperta | open |
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| apertus | open |
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| apetala | without petals |