dcsimg

Comprehensive Description

provided by North American Flora
Puccinia viornae Arth. Bull. Torrey Club 45 : 145. 1918
II. Uredinia not seen; urediniospores in the telia, ellipsoid or ellipticobo void, 16-19 by 24-32 ;u; wall pale golden-brown, thin, 1-1.5 /x, thicker above, 3-5 fi, closely echinulate, the pores indistinct, probably 2-4 and equatorial; paraphyses in the telia, intermixed with the spores or surrounding groups of spores, cylindric, clavate or capitate, 7-23 by 47-64 /z, the wall nearly colorless to golden-brown, darker above, thin, 1-1.5 /x, somewhat thickened above
2-7 fi.
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bibliographic citation
Joseph Charles Arthur, Herbert Spencer Jackson. 1922. (UREDINALES); AECIDIACEAE (continuatio); MICROPUCCINIA (conclusio). North American flora. vol 7(8). New York Botanical Garden, New York, NY
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North American Flora