Lasiobotrys lonicerae
Lasiobotrys lonicerae (Fr.) Kunze, in Kunze & Schmidt, Mykologische Hefte (Leipzig) 2: 88 (1823).
≡ Xyloma lonicerae Fr., Observ. mycol. (Havniae) 1: 198 (1815).
Index Fungorum number: IF 181114; Facesoffungi number: FoF 12074, Fig. 1
Description:
Saprobic on host. Sexual morph: Unknown. Asexual morph: Conidiomata 2−6 mm diam., hypophyllous, black, aggregated in circular groups, depressed, attached to radiating non septate fibres, Secondary perithecia reticulate, brown, globose surrounded by setae. Conidia 4–5 × 5–6 μm (x̄ = 4.7 × 5.3 μm, n = 10), hyaline, circular, uniseptate.
Material examined: Norway, Hordaland, Kvam, 17 July 1908, S. K. Selland (F225274).
Fig. 1 Lasiobotrys lonicerae (F225274). a, b Squash mount of conidioma. c, d Section through conidiomata. e Peridium. f Setae. g Conidia. Scale bars: a, c = 200 µm, b, d = 100 µm, e, g = 20 µm, f = 40 µm.
Lasiobotrys symphoricarpi Syd. & P. Syd., Annls mycol. 16(3/6): 244 (1918).
Index Fungorum number: IF 189435; Facesoffungi number: FoF 12074, Fig. 1449
Description:
Saprobic on host. Sexual morph: Ascostromata 300−750 mm diam., radially around the circumference of the stromatal disc on upper surface of leaves somewhat lower surface of leaves, globose to subglobose, dark brown to black, ascomata solitary or clustered on stromata, multi-locules on stromatal with pale brown to dark brown of hair clustered among a basal of ascomata and stromatal, cells of stromata comprising textura prismatica, cells of ascomata comprising textura globosa to angularis. Peridium 15–30 μm of locules two-layered, outer layer composed of pigmented slightly thick-walled brown to black cells of textura angularis, inner layer composed of hyaline thin-walled cells of textura angularis. Hamathecium hyaline, pseudoparaphyses, anastomosing surpassing the asci. Asci 30–50 × 30–40 μm (x̄ = 32.6 × 35.2 μm, n = 10), oblong with short pedicellate, mostly seen young asci in this study. Ascospore 15–20 × 8.5–10 μm (x̄ = 17.2 × 9.2 μm, n = 10), one septate, oblong to oval with upper cell broader, surface of spore verrucose, slightly constricted at the septum, hyaline when immature, unseen at maturity. Asexual morph: Unknown.
Material examined: United States, Colorado, on leaves of Symphoricarpus oreophilus (Caprifoliaceae), 30 July 1900, C. L. Shear (F43917).
Fig. 2 Lasiobotrys symphoricarpi (F43917). a–c Ascostromata on host substrate. d–f Section through ascostromata beared by stromal disc. g Peridium. h–j Hair clustered among a basal of ascomata and stromatal. k Asci group in ascomata with blue cotton's reagent. l Asci in 70% lactic acid. m Walled cells of ascomata. n Hamathecium. o–q Young asci in 70% lactic acid. r Young Asci in Melzer's reagent. s Ascospores arrangement. t Ascospores in Melzer's reagent. Scale bars: d, f = 100 μm, e = 500 μm, g, n = 50 μm, h, i, k, l, m, t = 20 μm, j, s = 30 μm, o–r =10 μm,
Importance and distribution
Lasiobotrys comprises four species known from one host plant in Caprifoliaceae. Lasiobotrys has been reported from Asia (India) and Europe (Croatia, Spain).
Recent News
Recent paper to be publishedRecent Genus
NothocladosporiumPhillipsiella
Curreya
Recent Species
Nothocladosporium syzygiiPhillipsiella atra
Curreya conorum
