Begonia angustifolia Blume = Begonia isoptera Dryand. ex Sm.
English:
angustifolius,-a,-um;

https://archive.org/stream/enumeratioplanta12blum#page/97/mode/2up
homotypic synonyms:
Diploclinium angustifolium (Blume) Miq.;

protologue: Enum. Pl. Javae 1: 97 (1827)

---

      search images: Google images       IPNI (International Plant Names Index)       WFO (World Flora Online)       POWO (Plants of the World online)       GBIF (Global Biodiversity Information Facility)

---