Drosera stricticaulis
Encyclopedia
Drosera stricticaulis, the erect sundew, is an erect perennial
Perennial plant
A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter lived annuals and biennials. The term is sometimes misused by commercial gardeners or horticulturalists to describe only herbaceous perennials...

 tuber
Tuber
Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to survive the winter or dry months and provide energy and nutrients for regrowth during the next growing season and they are a means of asexual reproduction...

ous species in the carnivorous plant
Carnivorous plant
Carnivorous plants are plants that derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods. Carnivorous plants appear adapted to grow in places where the soil is thin or poor in nutrients, especially nitrogen, such as acidic...

 genus Drosera. It is endemic to Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

 and is found near watercourses and granite outcrops
Granite outcrops of Western Australia
Granite outcrops of Western Australia are inselbergs and monoliths made from granite that are found across much of Western Australia. Rising abruptly from the surrounding landscape they create a variety of microhabitats for plants, and provide seasonal resources and refuge for a range of animals....

 in sandy clay or loam
Loam
Loam is soil composed of sand, silt, and clay in relatively even concentration . Loam soils generally contain more nutrients and humus than sandy soils, have better infiltration and drainage than silty soils, and are easier to till than clay soils...

. D. stricticaulis produces small, cup-shaped carnivorous leaves along green, glandular stems that can be 25 cm (10 in) high. Pink flowers bloom from July to October.

Drosera stricticaulis was first described by Ludwig Diels
Ludwig Diels
Dr. Friedrich Ludwig Emil Diels , was a German botanist.Diels was born in Hamburg, the son of the classical scholar Hermann Alexander Diels. From 1900 to 1902 he traveled together with Ernst Pritzel through South Africa, Java, Australia and New Zealand. Shortly before the first world war he...

 in 1906 as a variety of D. macrantha
Drosera macrantha
Drosera macrantha, the bridal rainbow, is a scrambling or climbing perennial tuberous species in the carnivorous plant genus Drosera that is endemic to Western Australia. It grows in a variety of habitats, including winter-wet depressions in sandy, loamy, laterite, or quartzite soils...

. In 1913, Oswald Hewlett Sargent elevated the variety to species rank. A recently described infraspecific taxon under D. macrantha, D. macrantha subsp. eremaea, was described in 1992 by N. G. Marchant
N. G. Marchant
Neville Graeme Marchant is a retired Western Australian botanist. He was formerly the Director of the Western Australian Herbarium.Marchant began working for the Western Australian Herbarium at the age of 15, as a laboratory assistant to Government Botanist Charles Gardner. Later he attended the...

 and Allen Lowrie
Allen Lowrie
Allen Lowrie is a West Australian botanist. He is living in Duncraig, a Perth suburb, is married and has two daughters.Lowrie, originally a businessman and inventor, got in contact with the carnivorous flora of western Australia in the late sixties and worked on it as an amateur...

 but reclassified as a subspecies of D. stricticaulis in 1996 when Jan Schlauer provided a comprehensive revision and new field key to the genus. Other authorities, such as Western Australia's Department of Environment and Conservation's FloraBase
FloraBase
FloraBase is a public access web-based database of the flora of Western Australia. It provides authoritative scientific information on 12,978 taxa, including descriptions, maps, images, conservation status and nomenclatural details...

still recognize subspecies eremaea under D. macrantha.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK