Houttuynia cordata Thunb. in Java
Towards the end of February 1936 we received living specimens of this species, which is hitherto known only from Japan, China, the Indochinese Peninsula und Himalaya, collected in West Java, Preanger Residency, by Mr H. W. Kluit, employé of the plantation Ardjoena, section Karang-Toemaritis. The specimens are exactly matched by those of Eastern Asia and were immediately recognized. This isolated locality far from the specific area needs some comment. It is situated between a tea garden and a bamboo thicket at ca 1250 m altitude, in slight shadow. According to the information kindly supplied by Mr Kluit, the plant has been known to him for several years, but has only recently produced flowers. He showed it to numerous visitors and planters but nobody had ever seen this species before. The coolies also knew the species only from this locality, as well as some old natives well acquainted with forest plants. The native name djoekoet hanjir (Sund.) is derived from the strange smell of blood produced by the leaves. The natives even believe in the local legend that the plant has proceeded from the flesh and blood of a man who was killed by a tiger on the same spot. On account of the smell there has been some trouble with the coolies in charge of weeding. As is known from outside Malaysia, the plant is very persistent in a place if once settled, which quality it owes to the long and branched rhizomes, which easily produce buds, and occur to one foot depth. This ecology enables the plant to appear as a common weed in Japan near settlements.
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van Steenis, C.G.G.J. (1937). Houttuynia cordata Thunb. in Java. Blumea. Supplement, 1(1), 137–139.