Puccinia oxalidis Dietel & Ellis 1895

Foodplant / parasite
hypophyllous telium of Puccinia oxalidis parasitises live leaf of Oxalis latifolia

Foodplant / parasite
hypophyllous telium of Puccinia oxalidis parasitises live leaf of Oxalis debilis

Dicaeoma oxalidis (L^v.) Kuntze, Rev. Gen
33:469. 1898.
Uredo Oxalidis JAv, Ann. Sci. Nat. 11. 16: 240. 1841.
Uredo Oxalidearum. Cooke, Grevillea 10: 123. 1882.
Puccinia Oxalidis Dietel & Ellis; Dietel, Hedwigia 34: 291. 1895.
AecidiuTn mexicanum. Maubl. Bull. Soc. Myc. Fr. 20: 73. 1904. Not A. mexicanum Dietel & Hol-
way, 1897. Aecidium Maublancii Sydow, Monog. Ured. 2: 351. 1904. Argomyces (?) Oxalidis Arth. N. Am. Flora 7: 217. 1912.
Pycnia epiphyllous, loosely gregarious in groups 1-3 mm. in diameter, conspicuous, deep-seated, chocolate-brown, ellipsoid-oblong, 110-125 m wide by 185-225 ju high; ostiolar filaments short, not projecting beyond the ostiole.

on Oxalis sp. Panama, Chiriqui Province, Caizan, 8°44.406TN, 82°49.348'W, leg. J. R. Hernandez 2004-107, II (BPI 864197). Panama, Chiriqui Province, Boquete, 8°46.691N, 82°25.968'W, 26 Nov. 2004, leg. J.R. Hernandez and M. Vega Rios 2004-117, II (BPI 842600). Panama, Chiriqui Province, Boquete, 8°46.691'N, 82°25.968'W, 26 Nov. 2004, leg. J.R. Hernandez and M. Vega Rios 2004-118, II (BPI 864201). Panama, Chiriqui Province, Boquete, 8°46.691TN, 82°25.968'W, 26 Nov. 2004, leg. J.R. Hernandez and M. Vega Rios 2004-119, II (BPI 864202).

P. oxalidis was reported as cosmopolitan (Farr et al. 2004). This is the first report of P. oxalidis from Panama.

Puccinia oxalidis is a fungus species in the genus Puccinia. This species is a causal agent of rust on plants in the genus Oxalis, such as Oxalis articulata. The disease appears as yellow dots on the reverse of the leaves. The aecial stage can be found on Berberis repens.