This species is closely related to Hodgsonia macrocarpa, and has only been recognised as distinct from that species since 2001[
]. This species is found in China, India and Indo-China, whilst Hodgsonia macrocarpa is found mainly on the Malesian Peninsula.
Trichosanthes heteroclita Roxb.
Common Name: Chinese Lard Seed
Chinese lard seed is a fast-growing, very vigorous, large, woody, climbing plant producing stems that can be 30 metres long and supporting itself on other plants by means of tendrils[
The plant produces large, edible seeds that are very rich in oil. Commonly used for food within its native range, the plant has only been brought into cultivation since the 1970's, and is now an economically important oil plant in southwest Yunnan[
]. The non-drying seed oil was previously obtained from wild-growing plants and has long been known in Europe as kadam oil or kayapang oil[
The raw seed is bitter and may contain deleterious substances[
E. Asia - southern China, India, Bhutan, Myanmar, Thailand, Laos, Cambodia and Vietnam.
Thickets, mountain slopes at elevations of 300 - 1,500 metres[
|Other Uses Rating||
|Cultivation Status||Cultivated, Wild
Requires a rich well-drained soil and plenty of moisture in the growing season[
Individual plants can yield 2.5 kilos of oil per year[
A dioecious plant, both male and female forms need to be grown if seed is required.
Seed - roasted or baked[
]. Pleasant and wholesome[
].They are often crushed and cooked with vegetables[
]. The seeds are produced in a gourd-like fibrous fruit about the size of a coconut, each fruit containing upwards of 8 largish, flattish seeds[
]. The seed is up to 7cm long and 3cm wide[
]. It contains 50 - 60% oil[
]. The seed must be cooked before eating it, see notes above on toxicity[
An edible oil is obtained from the seeds[
The oil from the seeds is used in traditional medicine[
A non-drying oil is obtained from the seeds[
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