In superior view the fruits are markedly trigonous with three obtuse angles. |
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One is African and supported by trigonous ovary in transverse section. |
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The majority of ruschioid genera sampled have trigonous leaves. |
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Stems trigonous to triquetrous, glabrous, pubescent or scabridulous. |
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Flowers in Cyperoideae usually have a trimerous superior pistil consisting of a trigonous, unilocular ovary, a long single style and three stigmatic branches. |
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