Coleosporium steviae Arthur 1905

Comprehensive Description

provided by North American Flora

Coleosporium steviae Arth. Bot. Gaz. 40 : 197. 1905
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, scattered uneveniy and often thickiy, 0.25-0.5 mm. across, early naked, yellowish fading to white, ruptured epidermis somewhat noticeable ; urediniospores ellipsoid to globoid, more or less angular, 18-23 by 26-35/*; wall rather thin, 1.5-2/*, finely verrucose.

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bibliographic citation: Joseph Charles Arthur. 1907. UREDINALES; COLEOSPORIACEAE, UREDINACEAE, AECIDIACEAE (pars). North American flora. vol 7(2). New York Botanical Garden, New York, NY

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