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Pereskia aculeata, known as ora-pro-nobis in Brazil, is native from tropical dry forests. This Cactaceae plant possesses succulent and edible leaves, which contain high amounts of protein, minerals, vitamins and fiber. Nutritional properties and ability to grow under limited water supply of ora-pro-nobis are known, but little information is available about the growth behavior and nutritional composition of this plant when cultivated under temperate humid climate. Therefore, we evaluated the phenology of the plant, including observation of new leaves, flowering, fruiting and relating it with the climate changes. Also, we analyzed some physicochemical characteristics (humidity, leaf area, height, protein, color, total phenolic content and antioxidant activity) of ora-pro-nobis cultivated in Pelotas, Rio Grande do Sul, Brazil. We observed that ora-pro-nobis developed normally, but with a quiescent state in the winter, without producing leaves. Flowering of the plant started in March and the fructification started one month later. All physicochemical characteristics varied through the period of cultivation. Our findings support that cultivation of ora-pro-nobis for production of leaves is feasible under temperate and humid climate.

Phenological and physicochemical properties of Pereskia aculeata during cultivation in south Brazil