Various other Zornia species have long been confused with Zornia diphylla (L.) Pers. However, Dandy & Milne-Redhead in Kew Bull. 17: 73 - 74 (1963) concluded that the name Zornia diphylla must be restricted to the plant hitherto known as Zornia conjugata (Willd.) Sm., and which, far from being a pantropical weed, seems to be unknown outside its natural area of distribution, namely Sri Lanka and southern India[
Hedysarum conjugatum Willd.
Hedysarum diphyllum L.
Zornia conjugata (Willd.) Sm.
Zornia dyctiocarpa DC.
Zornia zeylonensis Pers.
Zornia diphylla is a densely-branched, prostrate to erect plant with wiry stems up to 50cm long[
The plant is harvested from the wild for local use as a medicine.
E. Asia - southern India, Sri Lanka
This species has a symbiotic relationship with certain soil bacteria; these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[
The root is soporific and is used to induce sleep in children[
]. This report probably should refer to Zornia gibbosa[
The plant (part not specified) is used to treat dysentery and venereal diseases[
An essential oil obtained from the whole plant is rich in monoterpenoids, especially sabinene (43.1%) and terpinene 4-ol (13.2%). The essential oil has shown a significant antibacterial activity against Salmonella typhi and also antiinflammatory activity. Sabinene showed promising antibacterial and antifungal activities[
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