$modus 0: smartphone
$modus 1: smartphone
Oxygonum sagittatum
Oxygonum sagittatum R.A.Graham [Accepted]
Polygonaceae
Oxygonum sagittatum R.A.Graham
Kew Bull., vol. 12 : p. 154, fig. 1.8 (1957) [O. Milne-Redhead]