Thursday, June 16, 2022

[Botany • 2019] Begonia mufidahkallae (Begoniaceae, sect. Petermannia) • A New Species from the Moluccas, Indonesia

 

 Begonia mufidahkallae Ardaka & Ardi.

in Ardaka et Ardi, 2019.  
 Gardens' Bulletin Singapore. 71(2) 

ABSTRACT
 A new species of Begonia, Begonia mufidahkallae Ardaka & Ardi, is described from Sawai, Seram Utara District, Seram Island, Indonesia. The species is endemic to Seram Island and belongs to Begonia section Petermannia.

Keywords. Begonia section Platycentrum, Begonia section Sphenanthera, limestone, lithophytic



 Begonia mufidahkallae Ardaka & Ardi.
A. Habit. B. Stipule. C. Lamina abaxial surface. D. Male inflorescence. E. Female and male flower side view. F. Female and male flower front view. G. Female inflorescence. H. Infructescence. I. Ovary cross section (middle part).
(Photos: W.H. Ardi).

Begonia mufidahkallae Ardaka & Ardi, sp. nov. 
(§Petermannia)

 Begonia mufidahkallae is similar to Begonia flacca Irmsch. in the habit (semierect or appressed to substrate at the base and distally erect) but differs in having red multicellular hairs on the stem, petioles and lower surface of leaves (vs white), shorter petioles (2–6 cm vs 6−17 cm); denticulate to serrulate leaf margins (vs serrate to biserrate or shallowly lobed), paniculate-cymose male inflorescences (vs simple monochasia) and fruits on hanging, 10–20 mm long pedicels (vs fruit not pendulous, pedicels 3–8.5 mm long).

Distribution. Indonesia, Seram Island, Sawai, Seram Utara District.

Habitat. Growing lithophytically on limestone rock, half shade in the lowland limestone forest at 53 m elevation.

Etymology. The specific epithet is in honour of Mrs Mufidah Jusuf Kalla, the wife of the Vice President of the Republic of Indonesia, Jusuf Kalla.

    


 I.M. Ardaka and W.H. Ardi. 2019. A New Species of Begonia (Begoniaceae) from the Moluccas, Indonesia. Gardens' Bulletin Singapore. 71(2); 415–419. DOI: 10.26492/gbs71(2).2019-09 


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