Journal of the Arnold Arboretum. Cambridge, Mass. Harvard University MERRILL & PERRY, PLANTAE ARCHBOLDIANAE, XI v. 24 (1943): Page 41-59 http://www.biodiversitylibrary.org/item/33600 Planta acaulis, foliis scapisque floriferis instructa; foliis membranaceis oblique orbiculari-ovatis, apice obtusiusculis, basi inaequalibus oblique cordatis, margine crenato-sinuatis et duplicato-dentatis ciliatis, supra consperse crispule albido-pilosulis, subtus costa nervisque consperse pilosulis, nervis basalibus 4- 6 bi-tri-furcatis, lateralibus utrinsecus 3; petiolo 5- 10 cm. longo consperse piloso; stipulis ochraceis; scapo usque 20 cm. longo in sicco complanato sparsim piloso; inflorescentiis flores ♂ atque ♀ gerentibus; bracteis ovato-oblongis 4 mm. longis, margine cilia tis; floribus ♂ : pedicello 1.5 cm. longo; tepalis 4 extus sparsim pilosulis, exterioribus late ellipticis 1.1 cm. longis, interioribus 9 mm. longis obovatis emarginatis; staminibus 50 liberis, filamentis 1.5 mm. longis, antheris 1 mm. longis rotundato-cuneatis; floribus ♀ : pedicello 1.5-2 cm. longo; tepalis ut in floribus ♂ ; stylis 3 vix 3 mm. longis basi connatis, apice in crura 2 circiter 1.5 mm. longa spiraliter papillosa fissis; ovario suborbiculari 0.5 mm. diametro consperse piloso alato; capsula 1 cm. longa et 2 cm. lata, alis 3 valde inaequalibus quarum 2 minoribus, basi atque apice ultra loculos 2 mm. productis; alis minoribus aequalibus, obtuse subtriangularibus, margine superiore 5- 6 mm. longis, medio 3 mm. latis, una majore elongata, margine superiore 1.8 cm. longa, medio 1.2 cm. lata. This species undoubtedly belongs in the same group with Begonia Sharpeana F. v. Muell., but the latter is a much more pubescent species, the fruit of which is characterized by a large wing about twice as broad in proportion to its length as in our species.
