Published by rieslindley on Fri, 2016-12-30 10:34

Illustrations are in alphabetical order according to the text in the link you clicked.

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calyces and new growth at apex noticeably more pubescent than older stems
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calyces, new growth at apex, and older stems more or less uniformly pubescent
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carpels often blackened with indehiscent portion comprising 1/3 or less of the entire carpel
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Carpel reticulation distinct
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Carpel reticulation indistinct
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carpels with dehiscent part as wide or wider than indehiscent part, comprising more 1/3 or more of the whole
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carpels with dehiscent part noticeably narrower and shorter than indehiscent (reticulate) part
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Cordate
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Cuneate
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Divided
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Inflorescence few-flowered, often with several longer branches, usually throughout
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Inflorescence racemose, without longer branches at base, generally 1-3 flowers per node, usually unbranched
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Inflorescence usually narrow and crowded above and often with longer branches at base
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Length
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Lepidote
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Not lepidote
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Parted
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Primary lobes branched
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Primary lobes not branched
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Truncate
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Unlobed or shallowly lobed