ONAGRACEAE

(Evening Primrose or Willow Herb family)

640 species in 21 genera are found in temperate and tropical regions.

[Summary yet to be added]

Fuchsia Plum. ex L.

100 species are found in New Zealand, Tahiti and central and South America. Several species and countless hybrids / cultivars are of significant horticultural importance because of their showy flowers, being widely grown as ornamentals.

Positive patch test reactions to a hybrid of this genus and also to Streptocarpus were reported by Agrup and Fregert (1968) and Agrup (1969).

Ludwigia repens J.R.Forst.

[syn. Ludwigia natans Elliott]

Creeping Primrose-Willow, Larger Marsh Purslane, Kriechendes Heusenkraut, Schwimm-Heusenkraut

[Information available but not yet included in database]

Oenothera biennis L.

Common Evening Primrose

Maiden (1909b) received a report that this plant can produce eczema in humans. Cleland (1914) also referred to this report.

Oenothera curtiflora W.L.Wagner & Hoch

[syns Gaura mollis E.James, Gaura parviflora Douglas ex. Lehm.]

Lizard's Tail, Small-Flowered Gaura, Velvetweed

In an investigation of "weed dermatitis", an extract prepared from Gaura parviflora produced a positive patch test reaction in one of 50 patients tested (Shelmire 1939a). Shelmire (1940) subsequently described the plant as an infrequent sensitiser.

Oenothera speciosa Nutt.

[syns Hartmannia speciosa (Nutt.) Small, Xylopleurum speciosum (Nutt.) Raim.]

Pinkladies, Showy Evening Primrose

In an investigation of "weed dermatitis", an extract prepared from Hartmannia speciosa produced a positive patch test reaction in one of 50 patients tested (Shelmire 1939a). Shelmire (1940) subsequently described the plant as an infrequent sensitiser.

References

• Agrup, G. and Fregert, S. (1968) Patch test reactions to Streptocarpus. Contact Dermatitis Newsletter (4): 72.
• Agrup G (1969) Hand eczema and other hand dermatoses in South Sweden. Acta Dermato-Venereologica 49(Suppl 61): 1-91
• Cleland JB (1914) Plants, including fungi, poisonous or otherwise injurious to man in Australia. Australasian Medical Gazette 35(25; 26): 541-544; 569-572 [url]
• Maiden JH (1909b) On some plants which cause inflammation or irritation of the skin. Part II. Agricultural Gazette of New South Wales 20(12): 1073-1082 [url] [url-2]
• Shelmire B (1939a) Contact dermatitis from weeds: patch testing with their oleoresins. Journal of the American Medical Association 113(12): 1085-1090 (and unpublished table of results accompanying reprints) [doi] [url]
• Shelmire B (1940) Contact dermatitis from vegetation. Patch testing and treatment with plant oleoresins. Southern Medical Journal 33(4): 337-346 [url]

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