Nasturtium schlechteri O.E.Schulz
Trochiscus macrocarpus Gilli
Rorippa schlechteri is an erect annual to short-lived perennial herb. It produces a single, hardly branched, stems that can be 15 - 50cm tall[
The plant is endemic to Papua New Guinea, where it is widely grown in home gardens as a leaf crop[
Australasia - New Guinea.
A plant of the moist tropics, where it is mainly grown at elevations from 1,000 - 2,600 metres, though it also succeeds down to sea level[
]. It can also be cultivated as an annual crop in the temperate zone[
]. It grows best in areas where annual daytime temperatures are within the range 15 - 28°c, but can tolerate 10 - 35°c[
]. It prefers a mean annual rainfall in the range 700 - 1,200mm, but tolerates 500 - 5,000mm[
Grows best in a sunny position, tolerating light shade[
]. Tolerant of fairly wet soils, preferring a fertile one of medium texture[
]. Prefers a pH in the range 5 - 6.5, tolerating 4.5 - 7[
A first harvest can be obtained 4 - 6 weeks after sowing the seed[
The plant has a taproot and does not transplant well[
Leaves and young shoots - raw or cooked[
]. Usually eaten raw, but they can also be cooked as a spinach or be added to soups[
The plant is often grown on sweet potato mounds and is then harvested repeatedly until the sweet potato canopy covers the ground and smothers the plant[
Seed - sow in situ at regular intervals in order to get successive crops.
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