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SECTION COARCTATAE
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| This sections distinguishing features
are: leaves hard and fibrous on clustering, fibrous stems. |
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SUBSECTION COARCTATAE
Gallery - 10
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| This subsection's distinguishing features
are: incurving leaves on columnar stems. |
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SUBSECTION ATTENUATAE
Gallery - 11
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| This subsection's distinguishing features
are: slender, attenuate leaves. |
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SECTION TRIFARIAE
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| This sections distinguishing features
are: leaves in twisted series, usually of three series. |
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SUBSECTION CAULESCENTES
Gallery - 12
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Photographic work still in progress, please
visit again |
| This subsection's distinguishing features
are: columnar stems. |
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SUBSECTION ACAULES
Gallery - 13
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| This subsection's distinguishing features
are: stemless and only weakly trifarious. |
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SECTION VENOSAE
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| This sections distinguishing features
are: leaves triangular, spreading and recurved. |
| SECTION VENOSAE
Gallery - 14
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