B. novoguineensis

Begonia novoguineensis sp. nov. § Petermannia. Fig. 7, a, b. 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 60 cm. alta; ramulis parce hirstuis dein glabratis; foliis ovatoellipticis, 16-29 cm. longis, 10-15 cm. latis, apice breviter subabrupte acuminatis, acumine 2 cm. longo basi 1 cm. lato, basi latere exteriore in lobum 2- 5 cm. longum rotundato-cordatum nervis basalibus 5, interiore rotundatis nervis basalibus 2, lateralibus utrinsecus circiter 5, margine sinuates inconspicue serrato-denticulatis setulosis, supra glabris, subtus costa nervisque sparsim setulosis; petiolo 2- 7 cm. longo parce hirsuto; stipulis ± 1 cm. longis anguste oblongis, apice setulosis caducis; inflorescentiis ♂ tantum visis usque 30 cm. longis, racemoso-paniculatis, axi ramisque sparsim hirtellis, ramuis pedicellisque minute glanduloso-pilosis, bracteis parvis stipulis similibus; pedicello 5-7 mm. longo; tepalis 2 late orbicularibus 5-7 mm. longis, minute hirtellis vel glabratis; staminibus circiter 60, filamentis quam antheris brevioribus, antheris 1 mm. longis oblong-obovatis emarginatis, rimis ¼ antherae aequilongis.
Pests Diseases

• Classification: Species
• Plant Type: Shrub-like
• Botanical Section: Petermannia
• Origin: Asia, New Guinea
• Originator: Merrill & L. M. Perry, J. Arnold Arbor.
• Date of Origin: 1943