Begonia leptostyla Irmsch.

Moonlight, Peter & Fuentes, Alfredo F., 2022, AN UPDATED CHECKLIST AND KEY TO THE SPECIES OF BOLIVIAN BEGONIA, INCLUDING ONE NEW SPECIES, Edinburgh Journal of Botany 79 (407), pp. 1-66 : 49

publication ID	https://doi.org/10.24823/EJB.2022.407
DOI	https://doi.org/10.5281/zenodo.10555559
persistent identifier	https://treatment.plazi.org/id/03E53311-FFBE-FFC7-B62C-FB61FD41F938
treatment provided by	Felipe
scientific name	Begonia leptostyla Irmsch.
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Treatment

8.37. Begonia leptostyla Irmsch. View in CoL , Bot. Jahrb. Syst. 74: 609 (1949).

– Type: Bolivia, [ La Paz Department, Prov. Abel Iturralde], Tumupasa , [ 14°9′S, 67°54′W], 1800 ft, 11 xii 1901, R.S. Williams 455 ( holotype US [ US00115362 ]; GoogleMaps isotypes BM [ BM001191455 ], GoogleMaps K [ K000544024 ], GoogleMaps NY [ NY03091191 ]) GoogleMaps .

D.C. Wasshausen et al. in P.M. JØrgensen et al. (eds), Cat. Bolivia, Monogr. Syst. Bot. Missouri Bot. Gard. 129: 385 (2013).

Distribution. Endemic to Bolivia.

Identification notes. The only Bolivian Begonia with pinnate venation; stems with a tomentose indumentum; deciduous, triangular stipules; and a rounded leaf base.

Begonia leptostyla is distinguished from B. buchtienii and B. varistyla by its rounded leaf bases (but see Notes for B. buchtienii ) and from B. bangii in its symmetrical oblong-ovate stipules (vs symmetrical and ovate to reniform).