Hyoscyamus niger
 
Black Henbane

Calyx with Fruit, Cut Open, Stage 2

Regina
16-August-2019

The near half of the calyx has been removed from this specimen, revealing the capsule inside.  The operculum (lid) of the capsule has detached, revealing the seeds inside.

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Hyoscyamus: Answers to key questions in Budd's Flora leading to this genus. 
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plants herbaceous; NOT [plants shrubby, often spiny]

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leaves alternate; NOT [leaves in pairs]

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corolla 2-3 cm long or wide

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corolla bell-shaped or funnel-shaped; NOT [corolla rotate (wheal-shaped)]

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fruit a capsule; NOT [fruit a berry]

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capsule NOT prickly

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capsule top falling off when mature

 

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Solanaceae: Answers to key questions in Budd's Flora  leading to this family. 
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herbs; NOT [shrubs or trees]

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plants green or with some chlorophyll; NOT [plants parasitic or saprophytic, without chlorophyll]

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plants without milky juice

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NOT [twining plants with large, funnel-form corolla]

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flowers not in heads or spikes; NOT [flowers in long or short spikes], NOT [flowers in heads or in form resembling a head]

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flowers with two floral rings

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petals wholly or partly united forming a tube or bell

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corolla regular; NOT [corolla irregular]

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stamens 4 or 5; NOT [stamens 8 or 10]

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stamens alternating with corolla lobes, or twice their number; NOT [stamens directly in front of corolla lobes]

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style terminal; NOT [style from center of lobes of ovary]

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ovary superior; NOT [ovary inferior]

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ovary 2-celled; NOT [ovary 1-celled], NOT [ovary 3-celled]

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ovary with seeds borne on axis in center of cell; NOT [ovary with seeds born on wall of cell]

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fruit a berry or a capsule; NOT [fruit with 4 nutlets]