Euphrasia ruptura (former synonym: ''Euphrasia'' sp. Tamworth) is a presumed extinct plant from the genus ''
Euphrasia'' within the family
Orobanchaceae
Orobanchaceae, the broomrapes, is a family of mostly parasitic plants of the order Lamiales, with about 90 genera and more than 2000 species. Many of these genera (e.g., ''Pedicularis'', ''Rhinanthus'', ''Striga'') were formerly included in the ...
.
It was first described in 1997 by William R. Barker from a single collection made in the
Tamworth Area,
Northern Tablelands,
New South Wales
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, image_map = New South Wales in Australia.svg
, map_caption = Location of New South Wales in AustraliaCoordinates:
, subdivision_type = Country
, subdivision_name = Australia
, established_title = Before federation
, es ...
in 1904. It is named after the Australian botanist
Herman Montague Rucker Rupp who discovered this species.
Description
This
perennial
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
subshrub
A subshrub (Latin ''suffrutex'') or dwarf shrub is a short shrub, and is a woody plant. Prostrate shrub is a related term. "Subshrub" is often used interchangeably with "bush".Jackson, Benjamin, Daydon; A Glossary of Botanic Terms with their Der ...
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
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