Guide botanique
Winged Bean.
Psophocarpus tetragonolobus
Prononciation so-fo-KAR-pus tet-ra-go-no-LO-bus
Aussi appelée Four-angled Bean, Goa Bean, Goa-bean, Winged Bean, asparagus-pea, four-angle-bean, princess-pea, winged-bean

The winged bean is a tropical legume known for its edible pods, leaves, and tubers. It thrives in warm, humid climates and grows as a vigorous climbing vine. You will love how productive this plant is in your garden.

En un coup d'œil
- Niveau d'entretien
- Moyenne
- Type de plante
- Annual legume
- Lumière
- Full sun
- Lumière en intérieur
- Soleil direct
- Arrosage
- Tous les 2 à 4 jours
- Taille adulte
- 3 to 4 meters
- Croissance
- Rapide
- Rusticité
- USDA 9 à 12
- Floraison
- Late summer to autumn
Entretien
Provide a sturdy trellis for this climber to scale as it grows quickly. Keep the soil consistently moist but not waterlogged to encourage pod production. Watch for yellowing leaves which can indicate poor drainage or nutrient deficiency.
- Arrosage
- Keep the soil evenly moist throughout the growing season.
- Engrais
- Use a balanced fertilizer low in nitrogen to support flowering.
- Taille
- Trim back excessive foliage to improve airflow and focus energy on pod development.
- Rempotage
- This plant is typically grown as an annual and does not require repotting.
- Sol
- Well draining loamy soil
- pH du sol
- 6.0 to 7.0
- Température
- 15 à 35°C
- Humidité
- 60 à 90%
- Résistance à la sécheresse
- Faible
- Durée de vie
- Perennial, typically grown as an annual
- Parfum
- Léger
- Résistance aux chevreuils et lapins
- Moyenne
Signes qu'il faut rempoter
- Roots growing out of the drainage holes.
- Water running straight through the pot without soaking in.
Sécurité
- Humains
- Raw consumption of the seeds or pods can cause digestive distress due to high levels of trypsin inhibitors.
- Enfants
- The seeds are small and hard, posing a potential choking hazard if left unattended.
- Allergènes de contact
- The foliage can cause mild skin irritation in sensitive individuals.
- Allergènes aéroportés
- Pollen may trigger mild reactions in those with severe legume allergies.
- Comestibilité
- Always cook the pods and seeds thoroughly to neutralize anti-nutritional factors before consumption.
Comment l'identifier
- Four distinct longitudinal wings on pods
- Compound leaves with three leaflets
- Bright blue or white pea flowers
- Vigorous climbing vine habit
- Hauteur
- 3 à 4m
- Envergure
- 0,6 à 1m
- Feuilles
- green, deciduous
- Fleurs
- blue, white, purple, 2 à 4cm
- Fruits
- green, purple, Autumn
Problèmes courants
- Powdery mildew — A white fungal growth appears on leaves during humid, stagnant conditions.
- Aphids — Small insects that cluster on new growth and suck plant sap.
La cultiver
- Multiplication
- seed
- Quand planter
- Spring
- Hivernage
- In frost-prone areas, treat it as an annual and harvest before the first freeze. In tropical zones, cut back dead vines to encourage new growth in spring.
- En pot
- It can grow in large containers of at least 20 liters, provided you supply a tall trellis.
Seed Sowing
- 1. Soak seeds in water for 24 hours to soften the hard coat.
- 2. Plant seeds 2 cm deep in warm, well-draining soil.
- 3. Keep soil consistently moist until germination occurs.
Plant near tall crops to provide the necessary vertical space for the vines to spread.
Bonnes associations
Espèces similaires
- Haricot commun — Both are nitrogen-fixing legumes used for their edible pods.
Science
- Famille
- Fabaceae
- Genre
- Psophocarpus
- Ordre
- Fabales
- Classe
- Magnoliopsida
- Région d'origine
- Tropical Asia and Papua New Guinea
- Préservation
- It is widely cultivated in tropical regions and is not considered threatened.
It is a perennial vine that acts as an annual in cooler climates, fixing nitrogen to thrive in nutrient-poor soils.
- Intérêt pour la faune
- nectar source
- Pollinisateurs
- abeilles, papillons
- Utilisations
- culinary vegetable, nitrogen-fixing cover crop, ornamental vine
Au fil des saisons
Repères écologiques
- Salinité
- 2/9
- Réaction du sol
- 6/9
- Lumière
- 8/9
- Température
- 9/9
- Humidité
- 7/9
- Nutriments
- 5/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- Do I need a trellis?
- Yes, this is a vigorous climber that requires strong support.
- Can I eat the leaves?
- Yes, they are often used like spinach in stir-fries.
D'où vient le nom
The name Psophocarpus comes from Greek words meaning noisy fruit, referring to the sound the pods make when they dry and split.
Bon à savoir
- The pods have four distinct wings running down their length.
- It is a nitrogen-fixing legume that improves soil health.
- The tubers are rich in protein compared to other root vegetables.
- It thrives in hot, humid climates where other beans struggle.
Ta plante a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.
