... Persicaria madagascariensis and Persicaria attenuata subsp . africana are presented separately in this guide because of the following characters : Persicaria attenuata subsp . africana is glabrous ; leaves are narrowly ovate ...
... Persicaria madagascariensis (Hyde et al., 2014) FURTHER DESCRIPTIONS OF HOST PLANTS Conyza canadensis, HORSEWEED ... Persicaria attenuata ssp. africana, BRISTLY SNAKEROOT, is quite widespread in wetlands and vleis in the KNP, e.g. ...
... Persicaria madagascariensis are not always very clear , and some specimens like Swynnerton 1512 or R.E. Fries 169 ( cited above ) seem somewhat intermediate between the two . 10. Persicaria barbata ( L. ) H. Hara , Fl . E. Himalaya : 70 ...