Thursday, September 8, 2022

[Botany • 2022] Ficus motuoensis (Moraceae) • A New Species from southwest China


Ficus motuoensis Zhen Zhang & Hong Qing Li, 

in Zhang, ... et Li, 2022. 
墨脱榕  ||  DOI: 10.3897/phytokeys.206.89338

Abstract
A new climbing species, Ficus motuoensis Zhen Zhang & Hong Qing Li in Moraceae from southwest China has been described and illustrated in this paper. The new species resembles F. disticha, F. diversiformis and F. hederacea, but differs from these in the medium-sized acrophylls, shorter peduncle, as well as larger and spotted syconium. According to the morphological traits and phylogenetic placement, the new species belongs to Ficus subg. Synoecia sect. Apiosycea. Besides, the new species deviates from the common distribution pattern compared to the other members of sect. Apiosycea, indicating that it could be very useful for exploring the biogeography of sect. Apiosycea.

Keywords: climbing figs, fig tree, new taxon, Rosales, Sino-Himalaya

Ficus motuoensis Zhen Zhang & Hong Qing Li 
A fruit branch B vegetative branch C abaxial surface of acrophylls D syconium E staminate flower F gall flower.

Ficus motuoensis Zhen Zhang & Hong Qing Li 
A fruit branch B vegetative branch C adaxial surface of acrophylls D abaxial surface of acrophylls E syconia F profile of staminate inflorescence G ostiole bracts H staminate flower I gall flower.



 Ficus motuoensis Zhen Zhang & Hong Qing Li, sp. nov.
 
 Diagnosis: Ficus motuoensis is similar to F. disticha in the shape and texture of the bathyphylls, but differs from the latter by its larger acrophylls (4.5–6.5 cm in F. motuoensis versus 2.5–5 cm in F. disticha) and larger syconia (8–10 mm in F. motuoensis versus 3–6 mm in F. disticha). The new species also resembles F. hederacea and F. diversiformis in the aspect of the acrophylls, but can be distinguished from these by its globose and spotted syconia (versus without spots in F. hederacea and F. diversiformis) with a shorter peduncle (1–2 mm in F. motuoensis versus 10–12 mm in F. hederacea and 3–12 mm in F. diversiformis).



Zhen Zhang, Mei-Jiao Zhang, Jian-Hang Zhang, De-Shun Zhang and Hong-Qing Li. 2022. Ficus motuoensis (Moraceae), A New Species from southwest China. PhytoKeys. 206: 119-127.  DOI: 10.3897/phytokeys.206.89338