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botanical name:
Tetragonolobus purpureus
Tetragonolobus purpureus © Deeproot Plant Base
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common name:  Asparagus Pea, Winged Pea, Dragon's Teeth
synonyms:  Lotus tetragonolobus
family:  Fabaceae
characteristics: annual/biennial
height: 0.45m
width: 0.45m
growth rate: fast
growth habit: semi-prostrate
leaf colour: blue-green
flower colour: maroon
fruit colour: light green
main season: Summer
edible symbol edible
aspect: full sun
conditions: dry soil, moist soil, sandy soil, coastal
preferred soil pH: any
minimum temp: -12°C
USDA zone: 8 to 10
Semi-erect to sprawling annual with green to bluish-green 3-lobed leaves. Attractive flowers of an unusual shade of a fine brownish purple-red. Distinctive, square-sectioned, winged, edible seed pods.

Well drained soil in full sun. Grows naturally on fairly poor rocky soils.

For culinary use, pods should be harvested while young and small, less than 4cm.

From seed, sown in April or May.

Edible vegetable, the young pods and seeds can be eaten cooked or raw in salads. They have an unsual flavour reminiscent of Asparagus.
Flowers are very ornamental.

other notes:
Originally from the Mediterranean area and the Near East, now extensively cultivated elsewhere.
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