Common Name:

General Information

Crotalaria tetragona is an erect shrub growing up to 2 metres tall[, ].
The plant is harvested from the wild for local use as a food.

Known Hazards

No specific mention of toxicity has been seen for this species, but many members of this genus are known to contain pyrrolizidine alkaloids, the most potent of which in this genus are monocrotaline, retrorsine and retronecine[]. These alkaloids have a cumulative effect upon the body and, unless concentrations in a plant are high, occasional consumption is generally completely safe. Pyrrolizidine alkaloids are derived from amino acids including ornithine. Many of these alkaloids have pronounced hepatic toxicity, but the lungs and other organs may be affected as well. Mutagenic and carcinogenic activities of pyrrolizidine alkaloids have also been reported[].

Botanical References

,

Range

E. Asia - China, India, Nepal, Bhutan, Bangladesh, Myanmar, Thailand, Laos, Vietnam

Habitat

Open slopes at elevations up to 1,700 metres in Nepal[]. Sparse forests, along trails at elevations from 500 - 1,600 metres in China[]. Open areas in pine forests and secondary forests dominated by bamboo, at elevations to 2,070 metres[].

Properties

Edibility Rating
Habit	Shrub
Height	0.00 m
Cultivation Status	Wild

Cultivation Details

Plants in this genus generally prefer a sunny position, succeeding in dry to moist, well-drained soils[].
This species has a symbiotic relationship with certain soil bacteria; these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[].

Edible Uses

Flowers - cooked and eaten as a vegetable[].

Medicinal

None known

Other Uses

None known

Propagation

Seed - stored seed has a hard seedcoat and can benefit from scarification before sowing in order to speed up and improve germination[]. This can usually be done by pouring a small amount of nearly boiling water on the seeds (being careful not to cook them!) and then soaking them for 12 - 24 hours in warm water. By this time they should have imbibed moisture and swollen - if they have not, then carefully make a nick in the seedcoat (being careful not to damage the embryo) and soak for a further 12 hours before sowing.
Cuttings

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