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Euphorbia ophthalmica Pers.
Family Euphorbiaceae
Common name: Florida Hammock Sandmat (USA)

Euphorbia ophthalmica Pers. APNI*

Synonyms: Chamaesyce ophthalmica (Pers.) D.G.Burch APNI*

Description: Prostrate annual or perennial herb, stems several, pinkish to yellowish, forming dense mats to 45 cm in diameter, hairy, hairs pink to orange.

Leaves ovate to rhombiform, up to 15 mm long and 12 mm wide, margin prominently serrate, base asymmetric, apex obtuse, midrib prominent on lower surface, tomentose at least on lower surface, green; stipules of several linear segments, ± fused as base, up to 1.5 mm long.

Cyathia terminal; glands pink, c. 0.2 mm diameter; appendages inconspicuous.

Capsule ovoid, c. 1 mm long, 1 mm wide; seeds c. 0.8 mm long, 0.4 mm wide, red-brown, transversely ridged, 4-angled.

Distribution and occurrence: Naturalised records from Lismore, Yamba, Bellingen (NC), Uralla - Bendemeer area (NT), Baulkham Hills (CC).

Weed of gardens and disturbed places.
NSW subdivisions: *NC, *CC, *NT
Other Australian states: *Qld
AVH map***

Native of tropical America.

Text by D.M. Crayn; based on Chamaesyce ophthalmica, fide Burch, D. (1966). Two new species of Chamaesyce (Euphorbiaceae), new combinations, and a key to the Caribbean members of the genus. Annals of the Missouri Botanical Gardens 53: 90-99.
Taxon concept: Halford, D.A. & Harris, W.K. (2012), A taxonomic revision of Euphorbia section Anisophyllum Roeper (Euphorbiaceae) in Australia. Austrobaileya 8(4): 530-532; accepted by APC (accessed January 2017)

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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