Piper sarmentosum Roxb., Fl. Ind., ed. 1820 1: 162–163 1820. (syn: Chavica sarmentosa (Roxb.) Miq. (ambiguous synonym); Peperomia sarmentosa (Roxb.) A. Dietr. (ambiguous synonym); Piper albispicum C. DC.; Piper allenii C. DC.; Piper baronii C. DC.; Piper brevicaule C. DC.; Piper diffusum Blume ex Miq. (ambiguous synonym); Piper gymnostachyum C. DC.; Piper lolot C. DC.; Piper pierrei C. DC.; Piper saigonense C. DC.; Piper siassiense C. DC.; Piper zamboangae C. DC.);   

China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Yunnan), Tibet, Cambodia,
India
, Laos, Philippines (Negros, Samar, Camiguin, Siasi, Mindanao), Palawan,
Vietnam, Java, peninsular Malaysia, Singapore, Mauritius (I), La Runion (I),
Madagascar (I), Trinidad & Tobago (I), Micronesia (I) (Pohnpei (I))
as per Catalogue of Life;


 

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SK 2407 22 January 2020 : 10 posts by 2 authors. 6 images- 6 to 7 mb each.

Location: Bangkok, Thailand
Date:  07  December 2019 
Elevation: MSL
Habitat: Cultivated


It is closely similar to another species as per keys from Flora of China as below:
24 (23) Stoloniferous herbs on ground, occasionally clambering over rocks; fertile branches erect; leaves very finely powdery pubescent abaxially, clearly petiolate, base never clasping, outermost veins often ± pedately divided; female spikes erect   23 Piper sarmentosum
+ Climbers growing on trees or steep rock faces; branches often pendulous; leaves usually glabrous and with outermost veins not dividing above base (if very finely powdery pubescent, then apical leaves often nearly sessile with base cordate and clasping and female spikes reflexed)   22 Piper longum

On check with these keys, it is Piper sarmentosum Roxb. only.
Pl. also see FoC illustration.




References:

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