Hyacinth bean - Lablab purpureus (Care, Characteristics, Flower, Images, Toxic)

Hyacinth bean

Also known as: Lablab, Bonavist bean, Bataw, Banner bean, Seim bean, Papaya bean, Butter bean, Lubia bean

Hyacinth bean is a multipurpose legume that grows as an annual or a short-lived perennial in the summer. It is an Lablab purpureus herbaceous plant that twines, climbs, trails, or stands upright. Young seeds, pods, and leaves are grown for food across the tropics. The mature, dry beans can be eaten if appropriately cooked; otherwise, they may be toxic.

Scientific classification

Species

Hyacinth bean (Lablab purpureus)

Legumes, milkworts and allies

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Toxic to Humans

Toxicity

Late spring, Summer

Bloom Time

Fall

Harvest Time

6 m

Plant Height

50 cm to 1 m

Spread

Green, Purple

Leaf Color

1.2 cm to 1.6 cm

Flower Size

Purple, Green

Fruit Color

White, Purple, Pink

Flower Color

Purple, Green, White

Stem Color

Winter dormancy

Dormancy

Deciduous

Leaf type

20 - 38 ℃

Ideal Temperature

Summer, Fall

Growth Season

Images of Hyacinth bean

Distribution of Hyacinth bean

Distribution Map

Hyacinth bean is cultivated globally due to its value as a food and forage crop. It is native to Africa but has been introduced across continents, especially in tropical and subtropical regions. In certain areas, hyacinth bean is sometimes thought to be invasive, potentially having an impact on ecosystems, particularly noted in the Caribbean. Nonetheless, hyacinth bean remains an important crop in various regions where it has been introduced and generally integrates into local agricultural practices.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Cultivated land

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Playful, Loveliness

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Toxicity

Hyacinth bean contains glucoside that causes toxicity in humans, particularly children, leading to vomiting and seizures. Cats and dogs are also at risk, with symptoms like diarrhea and lethargy after consuming hyacinth bean seeds. Immediate veterinary care is crucial for pets showing signs of poisoning from this ornamental garden plant.

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Quickly Identify Hyacinth bean

Vibrant purple peapods distinguish hyacinth bean, adding a striking visual aspect.

Fragrant flowers in bilateral symmetry, varying in colors of white, pink, and purple.

Smooth, flat seedpods measuring 2-4 inches (5-10 cm), with diverse seed colors.

Pinnately divided leaves with three egg-shaped leaflets, 3-6 inches (7.6-15.2 cm) long.

Robust, purplish stems reaching 10-20 feet (3-6 meters) in length, covered in fine hairs.

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Care Guide for Hyacinth bean

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from warm climates, hyacinth bean flourishes with consistent moisture and prefers weekly watering. It can withstand brief dryness. As an outdoor ornamental, hyacinth bean benefits from rainwater during the growing season to maintain optimal soil moisture for health.

Fertilize: Hyacinth bean thrives on high phosphorus fertilizers during flowering and balanced nutrition fertilizers for vigor. Fertilize every 4-6 weeks during growth, using label rates. Lighter feedings may benefit young plants. Water soil before fertilizing and conduct seasonal soil tests for tailored care.

Pruning: Hyacinth bean features vibrant purple flowers and lush foliage. Prune in early to late spring to remove dead stems and thin crowded areas for better air circulation. Regular pruning supports healthier growth and improves flowering. Adjust timing based on regional climate for optimal results.

Propagation: Hyacinth bean propagates easily from seeds sown in Spring. Success is marked by seedling emergence, and pre-soaking seeds overnight can improve germination rates.

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Images of Hyacinth bean

Distribution of Hyacinth bean

Culture

Toxicity

Quickly Identify Hyacinth bean

Care Guide for Hyacinth bean

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