Cleome gynandra

[12][13] Leaves exhibit repellent, destructive and antifeedant properties to some ticks species in all their life stages (larvae, nymphs, and adults).

[14] In Thailand and Malaysia, the leaves are a popular food item fermented with rice water as a pickle known as phak sian dong.

The state of Negeri Sembilan specializes in rendang maman,[16] where the leaves are braised in spiced coconut milk for a long period of time to achieve the desirable crisp and texture.

[20][21][22] In Saudi Arabia, C. gynandra extracts are used to treat the severe pain and anti-inflammatory reactions caused by scorpion stings.

The seedbed requires shallow ploughing (around 15 cm deep), weed removal and harrowing to have a fine loose soil.

[7] Generous and frequent nitrogen based fertilizers can be applied to delay flowering, prolong vegetative growth and increase number and dimensions of the leaves.

[28] To result in a good yield, C. gynandra needs adequate soil water content throughout the whole vegetative growing period.

[7] However, the following pests were found on the weed: pentatomids (Agonoselis nubilis), locustus (Schitocera gregaria), flea beetles (Phyllotreta mashonana), cabbage sawfly (Athalia spp.

[29][30] Weaver birds eating the seeds during the vegetative stage and mildew fungus can also cause problems during Cleome gynandra’s growth.

[29] Research has tried to make this weed more resistant to dry weather, salt stress tolerance and the lengthening of its vegetative period, thus delaying flowering.

[7][30] Moreover, since the leaves have a particularly bitter taste caused by condensed tannins, breeding programmes have also tried to change this plant trait, in order to attract more potential consumers.

[29][30][33] African Indigenous Vegetables (AIV) such as Cleome gynandra, which have no international trading record, play a crucial role in regional food security due to their suitability and adaptability to the local environment.

In South Africa, C. gynandra was identified as the most income generating local vegetable, followed by crops like amaranth, black jack and wild jute.

Producers with established recognition in Sub-Saharan African countries like Botswana, Malawi, South Africa, Zambia, and Zimbabwe secure contracts with supermarkets, restaurants, lodges, and hotels, which highlights the economic potential of this crop in regional agriculture.

[34] By enhancing the methods of conducting and sharing research on C. gynandra and employing strategies like value chain development and technology transfer programs, the establishment of sustainable collaboration frameworks for industry stakeholders are fostered.

Addressing the challenges and opportunities for this crop requires the active involvement of multiple sectors, including farmer organisations, researchers, seed companies, traders, policy makers and consumers.

The strategic assumption behind is that introducing new product varieties will not only improve the acceptance of AIV but also increase consumption and demand from citizens of both the rural and urban context.

[37] Cleome gynandra uses NAD-malic enzyme type C4 photosynthesis and has the characteristic traits associated with this, including changes in leaf biochemistry, cell biology and development.

The family Cleomaceae is relatively close to Brassicaceae with Arabidopsis thaliana (a C3 photosynthetic plant) and therefore offers comparison with this well studied model organism.