Uromyces acutatus Fuckel, 1870

on Gagea, Ornithogalum

Uromyces acutatus: telia on Gagea villosa

Gagea villosa, Amerongen © Brian Pater

Uromyces acutatus: telium

freshly openend telium

Uromyces acutatus: telium

opn telium

Uromyces acutatus: teliospores

teliospores

Uromyces acutatus

spore: surface structure

gall

No host plant alternation, only telia. Telia amphigenous, long covered by the epidermis and then lead coloured, after eruption dark brown, ± pulverulent. Spores one-celled, brown, verrucose, 20-32 x 25-50 µm; apically a hyaline papilla; pedicel hyaline, deciduous.

hostplants

Asparagaceae, Liliaceae, narrowly polyphagpous

Gagea bohemica, liotardii, lutea, minima, pratensis, pusilla, soleirolii, villosa; Ornithogalum fischerianum, nutans, umbellatum.

González-Fragoso (1925a) also mentions Muscari racemosum; that probably applies to U. muscari.

synonyms

U. ornithogali (Wallroth) Léveillé, 1847.

notes

According to Termorshuizen & Swertz this species was not yet known from the Netherlands. It also has not been reported from Belgium

references

Brandenburger (1985a: 708, 715), Gäumann (1959a), González-Fragoso (1925a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a, Termorshuizen & Swertz (2011a).

20/04/2017

pub 20.iv.2017 · mod 16.vii.2017