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ophis: black swallowwort
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ophis: elongating stems, black swallowwort
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ophis: fleshy dark purple flower, black swallowwort
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ophis: maturing follicles, black swallowwort
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ophis: flat side follicle cut away
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ophis: flat seeds sheathing column, black swallowwort
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ophis: winged obovate seeds, black swallowwort
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ophis: dense white fleshy roots, black swallowwort