Distinctive Flowers
Produces yellowish, funnel-shaped flowers with prominent dark purple veins and a contrasting center.
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Black Henbane (Hyoscyamus niger) is a distinctive flowering plant known for its lobed leaves, sticky foliage, and unusual yellowish flowers marked with dark purple veins. It has a long history in botanical and historical studies, but all parts of the plant are highly toxic to humans and animals. Black Henbane should not be grown or handled as an edible herb, and its seeds must be kept away from children and pets. Check local regulations before purchasing or growing this species.
Produces yellowish, funnel-shaped flowers with prominent dark purple veins and a contrasting center.
Features broad, irregularly lobed leaves with a soft, sticky surface and a strong characteristic odor.
Develops an upright, branching growth habit, with mature size depending on the environment and growing conditions.
Recognized for its unusual floral markings and historical botanical significance. The plant is highly toxic and requires strict precautions.
| Scientific Name | Hyoscyamus niger |
| Common Name | Black Henbane; Henbane |
| Plant Family | Solanaceae |
| Seed Type | Flowering Plant Seeds; verify identity with the supplier |
| Growth Habit | Annual or biennial herbaceous plant |
| Flower Color | Yellowish with dark purple veins |
| Plant Height | Varies with climate, soil, and growing conditions |
| Planting Season | Depends on local climate and verified seed instructions |
| Seed Starting | Follow species-specific supplier instructions |
| Germination Time | Varies with seed condition and environmental factors |
| Germination Temperature | Follow verified supplier recommendations |
| Sunlight | Full sun to partial shade, depending on local conditions |
| Soil Requirements | Well-drained soil; tolerances depend on growing conditions |
| Watering | Avoid prolonged waterlogging; follow species-specific guidance |
| Plant Spacing | Determine from verified cultivation guidance and mature size |
| Toxicity | Highly toxic; all parts contain poisonous tropane alkaloids |
Black Henbane is recognized for its unusual dark-veined flowers, lobed foliage, and place in botanical history. Because it is highly toxic, responsible identification, legal compliance, secure storage, and careful management are essential. Verify the seed identity and applicable regulations before considering this plant for cultivation.
Learn about Black Henbane identification, its flowering characteristics, and important plant safety precautions.
Black Henbane produces distinctive yellowish, funnel-shaped flowers with dark purple veins. Its broad, irregularly lobed leaves and upright growth habit also help distinguish it from many other flowering plants. Identification should be based on reliable botanical references rather than appearance alone.
Yes. Black Henbane is highly toxic because it contains tropane alkaloids, including hyoscyamine and scopolamine. All parts of the plant can be dangerous if ingested. Keep seeds and plants away from children, pets, and livestock. If ingestion is suspected, contact emergency medical services or a poison control service immediately.
Black Henbane can grow as an annual or biennial, depending on environmental conditions and its growth cycle. Plants may produce foliage during one stage and flower during another. The exact development pattern depends on climate, plant establishment, and local growing conditions.