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on Telekia, Xerotelekia

gall

the teliospores are arranged like basalt columns, on top covered by a layer of a waxy substance. Initially they are one-celled, but in the end meiosis takes place, resulting in a chain of four haploid cells. Each one germinates under formation of a sterigma , on top of which eventually a spore will be formed (Mims & Richardson).

The uredinia and telia of Coleosporium species morphologically are indistinguishable. For pictures see for instance C. melampyri and C. tussilaginis.

uredinia, telia

Asteraceae, narrowly oligophagous

Telekia speciosa.

synonyms

Coleosporium tussilaginis f. sp. telekiae Helfer, 2013.

references

Bahcecioglu & Kabaktepe (2012a), Brandenburger (1985a: 621), Gäumann (1959a), Gjærum, Semb & Talgø (2008a), Helfer (2013), Kabaktepe & Bahcecioglu (2005a), Klenke & Scholler (2015a), Kruse (2014, 2019a), Mims & Richardson (2005a), Poelt & Zwetko (1997a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a).