Fulvifomes dracaenicola2021

Fulvifomes dracaenicola Z.B. Liu & Y.C. Dai, sp. nov.2021

MycoBank: 838682

Holotype：China. Hainan Province, Sanya, Daxiaodongtian Park, N18.299, E109.172, on living tree of Dracaena cambodiana, 15.XI.2020, Dai 22097 (BJFC 035989).

Description:

Sexual morph Fruiting body. Basidioma perennial, pileate, without odor or taste and woody hard when fresh, light in weight when dry. Pilei triquetrous, projecting up to 2.5 cm, 2.3 cm wide and 2.6 cm thick at base. Pileal surface yellowish brown to grayish brown when fresh, vinaceous brown when dry, encrusted, glabrous, zonate, uncracked, mar gin olivaceous brown. Pore surface yellowish brown when fresh, honey yellow with silk sheening when dry; sterile margin indistinct; pores circular, 5–7 per mm; dissepiments thin, entire. Context cinnamon buff to fawn, corky, often darker near the pileus sur face, up to 1.4 cm thick, with a distinct crust (black line) near pileus surface at the basal area, partly with additional crust (black line) within context or above tubes. Tubes cinnamon buff to cinnamon, woody hard, up to 1.2 cm thick, tube layers distinctly stratified, individual tube layer up to 0.5 cm long. Trama of the tubes. Generative hyphae hyaline, thick-walled, simple septate, occa sionally branched, 2–2.5 mm in diam; skeletal hyphae apricot-orange to brownish-orange, thick-walled to subsolid, unbranched, loosely interwoven, 3.5–4 mm in diam. Setae or setal hyphae absent; hymenium collapsed in the studied material, basidia and basidioles not seen. Spores. Basidiospores subglobose with an apiculus, yellowish brown, thick-walled, smooth, IKI–, CB–, occasionally collapsed when mature, 4.8–5(–5.5) × 4–4.1 μm, L = 5.02 μm, W = 4.04 μm, Q = 1.22–1.25 (n = 90/3).

Asexual.morph:Undetermined:

Hyphal structure：Hyphal system dimitic in trama, monomitic in context; gen erative hyphae simple septate; tissues darkening but otherwise unchanged in KOH

Culture: Undetermined:

Habitat: Undetermined:

Distribution:China

GenBank Accession: ITS MW559799，LSU MW559804；ITS MW559800，LSU MW559805；

Notes: Undetermined:

Reference: [1] Du, P. ,  Cao, T. X. ,  Wu, Y. D. ,   Zhou, M. , &  Liu, Z. B. . (2021). Two new species of hymenochaetaceae on dracaena cambodiana from tropical china. MycoKeys, 80(80), 1-17.

A basidiocarp of Fulvifomes dracaenicola (Holotype, Dai 22097). Scale bar: 1.0 cm. Photo by: Yu-Cheng Dai.