Euphrasia ruptura (former synonym: ''Euphrasia'' sp. Tamworth) is a presumed extinct plant from the genus ''

Euphrasia ''Euphrasia'', or eyebright, is a genus of about 215 species of Herbaceous plant, herbaceous flowering plants in the family (biology), family Orobanchaceae (formerly included in the Scrophulariaceae), with a cosmopolitan distribution. They are P ...

'' within the family

Orobanchaceae Orobanchaceae, the broomrapes, is a family (biology), family of mostly parasitic plants of the order (biology), order Lamiales, with about 90 genus, genera and more than 2000 species. Many of these genera (e.g., ''Pedicularis'', ''Rhinanthus'', ...

. It was first described in 1997 by William R. Barker from a single collection made in the Tamworth Area,

Northern Tablelands The Northern Tablelands, also known as the New England Tableland, is a plateau and a region of the Great Dividing Range in northern New South Wales, Australia. It includes the New England Range, the narrow highlands area of the New England regio ...

New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...

in 1904. It is named after the Australian botanist Herman Montague Rucker Rupp who discovered this species.

Description

This

perennial In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...

subshrub A subshrub (Latin ''suffrutex'') or undershrub is either a small shrub (e.g. prostrate shrubs) or a perennial that is largely herbaceous but slightly woody at the base (e.g. garden pink and florist's chrysanthemum). The term is often interch ...

reaches a height of at least 26 centimetres. The branchlets are covered with hair and have 22 to 25 leave pairs. The length of the calyx reaches from 3.8 to 4.5 millimetres. The corolla measures from 8 to 10.8 millimetres. The color is unknown. The tube is about five millimetres long and the stamens with the anthers 0.9 x 1.7 millimetres.

Status

This plant is only known from two flowering branches collected in September 1904 in the North Western Slopes near Tamworth.

References

External links

New South Wales Flora Online - Euphrasia rupturaTaxonomic studies in Euphrasia (Scrophulariaceae). VIII. E. ruptura, a name for a species apparently extinct in northeastern New South Wales
ruptura Flora of New South Wales Extinct flora of Australia Lamiales of Australia Plants described in 1997 Taxa named by William Robert Barker {{Australia-asterid-stub