Common name: Buttonweed
Diodia teres Walter APNI* 
Description: Prostrate, spreading or ascending herb; stems rigid to 40 cm long, usually much-branched, hairy.
Leaves linear to linear-lanceolate, 1.5–3 cm long, up to 5 mm wide, rigid, sessile; stipules papery with long cilia.
Flowers axillary in clusters of 2 or 3, sessile. Calyx 1–2 mm long. Corolla funnel-shaped, 4–6 mm long, white, pink or mauve.
Fruit ovoid, strigose, c. 3 mm long, crowned by persistent calyx.
Flowering: spring–summer.
Distribution and occurrence: Often grows in dry or sandy soil near habitation and on roadsides, chiefly in Grafton-Casino district. Native of N Amer.
NSW subdivisions: *NC, *NWS
Text by T. A. James & W. K. Allen
Taxon concept: Flora of NSW 3 (1992)
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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