B. simulans

Culture

Original Botanical Description or Link to

Begonia simulans, sp. nov. § Petermannia. Fig. 5, e- i. 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 ultra 35 cm. alta glabra: ramulis in sicco sulcatis ferrugineis; foliis 8.5-14 cm. longis, 3-6 cm. latis, apice acuminatis, basi inaequalibus, latere exteriore in lobum 1-2.5 cm. longun, rotundatum procluctis, nervis basalibus 4 vel 5, interiore rotundatis vel obtusis nervis basalibus 2 vel 3, lateralibus utrinsecus 3, margine duplicato-serrato-dentatis; costa et petiolo angulum ± 90° formantibus; petiolo 1.5-3 cm. longo; stipulis caducis; inflorescentiis terminalibus ± 7 cm. longis ramosis flores ♂ atque ♀ gerentibus; floribus ♂ : pedicello 1-2 cm. longo; tepalis 2 suborbicula ribus, basi cordatis, ± 1 cm. longis latisque; staminibus 70, filamentis exterioribus ± 0.5 mm. interioribus 1.5 mm. longis, antheris 1.2 mm. longis obovatis obtusis; floribus ♀ : pedicello usque 5 cm. longo; tepalis 5 anceolato ovatis 1- 1.2 cm. longis; stylis 3 circiter 6 mm. longis, basi 2 mm. connatis, apice in crura 2 circiter 2 mm. longa spiraliter papillosa fissis; ovario 0.8-1.4 cm. longo ellipsoideo, alis 3, quarum 2 patulo minoribus, basi ultra ovarium ± 3 mm. productis, apice horizontaliter truncatis; capsula 2.5 cm. longa et lata, alis 2 minoribus 7 mm. medio latis, una majore 9 mm. medio lata. The species is to be compared with Begonia naumoniensis Irmsch., with which it has many characters in common. It may be readily distinguished, however, by the smaller leaves with distinctly dentate margin and less cordate base, the more elongate anthers, and the larger ♀ flowers.