Piliostigma malabaricum

{{Short description|Species of legume}}

{{Speciesbox

| image = Ashmantaka (Sanskrit- अश्मन्तक) (4000471700).jpg

| image_caption = flower

| image2 = Bauhinia malabarica.jpg

| image2_caption = Piliostigma malabaricum

| taxon = Piliostigma malabaricum

| authority = (Roxb.)Benth.

| display_parents = 3

| synonyms = Bauhinia malabaricaRoxb (1832) In Carey & Wallich (ed.), Flora Indica 2. 321.

}}

Piliostigma malabaricum is a small (sometimes ornamental) tree species in the family Fabaceae.[http://www.ildis.org ILDIS World Database of Legumes] {{webarchive|url=https://web.archive.org/web/20140517100307/http://www.ildis.org/|date=May 17, 2014}} It was previously placed in the genus Bauhinia, but names changed with reorganisation of the subfamily Cercidoideae{{cite journal | author = The Legume Phylogeny Working Group (LPWG). | year = 2017 | title = A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny | journal = Taxon | volume = 66 | issue = 1 | pages = 44–77 | doi = 10.12705/661.3| doi-access = free | url = http://ainfo.cnptia.embrapa.br/digital/bitstream/item/162155/1/s4.pdf }} and the tribe Bauhinieae.{{cite journal | title = The genus Bauhinia s.l. (Leguminosae): A phylogeny based on the plastid trnL–trnF region | year = 2009 |vauthors=Sinou C, Forest F, Lewis GP, Bruneau A | journal = Botany | volume = 87 | issue = 10 | pages = 947–960 | doi = 10.1139/B09-065 }}

This species is native to Tropical Asia and N. Australia; it has been called the "Purple Orchid Tree" (although not to be confused with Bauhinia purpurea or Bauhinia variegata) and names in Vietnamese are: chân trâu and móng bò tai voi. There are no intraspecific names according to Plants of the World Online.[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:158211-3 Plants of the World Online]: Piliostigma malabaricum (Roxb.) Benth.