Comprehensive Description
provided by North American Flora
Nigredo medicaginis (Pass.) Arthur
Uredo Fabae Medicaginis -fa Ic a tae DC. Fl. Fr. 6: 69, liyponym. 1815. Uromyces Medicaginis Pass.; Thiira. Herb. Myc. Oecon. 156. 1874. Uromyces Medicaginis falcatae Wint. in Rab. Krypt. Fl. li : 159. 1881. Uredo medicaginicola Speg. Anal. Mus. Nac. Buenos Aires 6 : 234. 1898. Nigredo Medicaginis -falcatae Arth. Result. Sci. Congr. Bot. Vienne 344. 1906.
O and I. Pycnia and aecia uncertain.
Uredinia chiefiy hypophyllous, scattered, oval or roundish, 0.2-0.5 mm. across, rather early naked, pulverulent, cinnamon-brown, ruptured epidermis conspicuous; urediniospores broadly ellipsoid or subglobose, 16-20 by 18-23 m; wall golden-brown , 1.5-2ju thick, finely and rather sparsely echinulate, the pores 3 or 4, equatorial.
- bibliographic citation
- Joseph Charles Arthur, Frank Dunn Kern. 1912. (UREDINALES); AECIDIACEAE (continuatio), GYMNOSPORANGIUM. North American flora. vol 7(3). New York Botanical Garden, New York, NY
Uromyces striatus: Brief Summary
provided by wikipedia EN
Uromyces striatus is a plant pathogen causing rust in Medicago. Alfalfa (Medicago sativa) rust caused by Uromyces striatus is an important disease in many areas and is damaging to alfalfa grown for seed.
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