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Acacia Pygmaea
''Acacia pygmaea'', commonly known as the dwarf rock wattle, is a shrub of the genus ''Acacia'' and the subgenus ''Phyllodineae'' that is endemic to south western Australia. Description The erect single-stemmed shrub typically grows to a height of . The dwarf subshrub has prominently ribbed and glabrous branchlets with shallowly triangular stipules with a length of around . Like most species of ''Acacia'' it has phyllodes rather than true leaves. The thin green phyllodes are crowded on the branchlets with an elliptic to obovate shape and a length of and a width of with one or sometimes two main nerves and a few obscure lateral nerves. It blooms from October to March and produces white-cream flowers that age to an orange colour. Taxonomy It belongs to the ''Acacia myrtifolia'' group and is closely related to '' Acacia disticha'' and seemingly related to '' Acacia nervosa'' and '' Acacia obovata''. Distribution It is native to a small area in the Wheatbelt region of Western Aus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bruce Maslin
Bruce Roger Maslin (born 3 May 1946) is an Australian botanist, known for his work on ''Acacia'' taxonomy. Born in Bridgetown, Western Australia, he obtained an honours degree in botany from the University of Western Australia in 1967, then took up an appointment as a botanist with the Western Australian Herbarium. The following year he was conscripted to serve in the Vietnam War; he gave three years in National Service, serving in Vietnam in 1969. In 1970 he returned to his position at the Western Australian Herbarium, serving in that institution until 1987. During this time he was Australian Botanical Liaison Officer in 1977 and 1978; editor of ''Nuytsia ''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...'' from 1981 to 1983; and acting curator in 1986 and 1987. In 1987, Maslin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laterite
Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by intensive and prolonged weathering of the underlying parent rock, usually when there are conditions of high temperatures and heavy rainfall with alternate wet and dry periods. Tropical weathering (''laterization'') is a prolonged process of chemical weathering which produces a wide variety in the thickness, grade, chemistry and ore mineralogy of the resulting soils. The majority of the land area containing laterites is between the tropics of Cancer and Capricorn. Laterite has commonly been referred to as a soil type as well as being a rock type. This and further variation in the modes of conceptualizing about laterite (e.g. also as a complete weathering profile or theory about weathering) has led to calls for the term to be abandoned alto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Described In 1995
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes (the archaea and bacteria). By one definition, plants form the clade Viridiplantae (Latin name for "green plants") which is sister of the Glaucophyta, and consists of the green algae and Embryophyta (land plants). The latter includes the flowering plants, conifers and other gymnosperms, ferns and their allies, hornworts, liverworts, and mosses. Most plants are multicellular organisms. Green plants obtain most of their energy from sunlight via photosynthesis by primary chloroplasts that are derived from endosymbiosis with cyanobacteria. Their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic or mycotrophic and have lost the ability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxa Named By Bruce Maslin
In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and given a particular ranking, especially if and when it is accepted or becomes established. It is very common, however, for taxonomists to remain at odds over what belongs to a taxon and the criteria used for inclusion. If a taxon is given a formal scientific name, its use is then governed by one of the nomenclature codes specifying which scientific name is correct for a particular grouping. Initial attempts at classifying and ordering organisms (plants and animals) were set forth in Carl Linnaeus's system in '' Systema Naturae'', 10th edition (1758), as well as an unpublished work by Bernard and Antoine Laurent de Jussieu. The idea of a unit-based system of biological classification was first made widely available in 1805 in the i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacias Of Western Australia
''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus name is New Latin, borrowed from the Greek (), a term used by Dioscorides for a preparation extracted from the leaves and fruit pods of ''Vachellia nilotica'', the original type of the genus. In his ''Pinax'' (1623), Gaspard Bauhin mentioned the Greek from Dioscorides as the origin of the Latin name. In the early 2000s it had become evident that the genus as it stood was not monophyletic and that several divergent lineages needed to be placed in separate genera. It turned out that one lineage comprising over 900 species mainly native to Australia, New Guinea, and Indonesia was not closely related to the much smaller group of African lineage that contained ''A. nilotica''—the type species. This meant that the Australasian lineage (by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Acacia Species
Several Cladistics, cladistic analyses have shown that the genus ''Acacia sensu lato, Acacia'' is not monophyletic. While the subg. ''Acacia'' and subg. ''Phyllodinae'' are monophyletic, subg. ''Aculeiferum'' is not. This subgenus consists of three clades. Therefore, the following list of ''Acacia'' species cannot be maintained as a single entity, and must either be split up, or broadened to include species previously not in the genus. This genus has been provisionally divided into 5 genus, genera, ''Acacia'', ''Vachellia'', ''Senegalia'', ''Acaciella'' and ''Mariosousa''. The proposed type species of ''Acacia'' is ''Acacia penninervis''. Which of these segregate genera is to retain the name ''Acacia'' has been controversial. The genus was previously typified with the African species ''Acacia scorpioides'' (L.) W.F.Wright, a synonym of ''Acacia nilotica'' (L.) Delile. Under the original typification, the name ''Acacia'' would stay with the group of species currently recognized ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persoonia Divergens
''Persoonia'', commonly known as geebungs or snottygobbles, is a genus of about one hundred species of flowering plants in the family Proteaceae. Plants in the genus ''Persoonia'' are shrubs or small trees usually with smooth bark, simple leaves and usually yellow flowers arranged along a raceme, each flower with a leaf or scale leaf at the base. The fruit is a drupe. Description Persoonias are usually shrubs, sometimes small trees and usually have smooth bark. The adult leaves are simple, usually arranged alternately but sometimes in opposite pairs, or in whorls of three or four. If a petiole is present, it is short. The flowers are arranged singly or in racemes, usually of a few flowers, either in leaf axils or on the ends of the branches. Sometimes the raceme continues to grow into a leafy shoot. The tepals are free from each other except near their base, have their tips rolled back and are usually yellow. There is a single stigma on top of the ovary and surrounded by fou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Banksia Hewardiana
''Banksia hewardiana'' is a species of openly branched shrub that is endemic to Western Australia. It has linear, serrated leaves with sharply pointed teeth, head of up to sixty lemon-yellow flowers and oblong follicles. Description ''Banksia hewardiana'' is an openly branched shrub that typically grows to a height of but does not form a lignotuber. The leaves are serrated, linear in outline, long and wide on a petiole up to long. There are between five and fifteen sharply pointed teeth on each side of the leaves. Groups of between thirty-five and sixty sweetly-scented flowers are borne in a head on a side branch about long. There are hairy, lance-shaped involucral bracts up to long at the base of the head. The flowers have a lemon-yellow perianth long and a cream-coloured pistil long and glabrous. Flowering occurs from July to November and the follicles are oblong to egg-shaped, long and sparsely hairy. Taxonomy and naming This species was first formally described ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Banksia Pulchella
''Banksia pulchella'', commonly known as teasel banksia, is a species of small shrub that is endemic to the south-west of Western Australia. It has smooth grey bark, linear leaves and golden-brown flowers in short, cylindrical heads and inconspicuous follicles. Description ''Banksia pulchella'' is a shrub that typically grows to a height of and has smooth grey bark but does not form a lignotuber. The leaves are narrow linear, long and about wide on a petiole long. The leaves have a sharp point on the tip. The flowers are golden-brown with bright yellow styles and are arranged in short cylindrical heads long and wide at flowering. There are small involucral bracts at the base of the head but that fall off as the flowers develop. The perianth is long and the pistil long and hooked. Flowering occurs in January, March or May to October. The follicles are long, up to high and wide and inconspicuous, although the old flowers fall from the head. Taxonomy and naming ''Ba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allocasuarina Campestris
''Allocasuarina campestris'', commonly known as the Shrubby she-oak, is a shrub of the she-oak family Casuarinaceae native to Western Australia. The dioecious or monoecious shrub typically grows to a height of and produces red-brown flowers from August to November. The shrub is found widely throughout the Mid West, Wheatbelt, and the south west of the Goldfields-Esperance regions of Western Australia. ''Allocasuarina campestris'' is used in gardens and grows in sandy or gravelly soils and is grown from seed. The species was first formally described as ''Casuarina campestris'' by the botanist Ludwig Diels Dr. Friedrich Ludwig Emil Diels (24 September 1874 – 30 November 1945) 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 Georg Pr ... in 1904. It was reclassified in 1982 in the genus ''Allocasuarina'' by Lawrence Alexander Sidney Johnson in the Journal of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eucalyptus Ebbanoensis
''Eucalyptus ebbanoensis'', commonly known as the sandplain mallee, is a species of Mallee (habit), mallee that is endemic to Western Australia. It has smooth greyish bark, lance-shaped to curved adult leaves, flower buds in groups of three, whitish flowers and cup-shaped to hemispherical fruit. Description ''Eucalyptus ebbanoensis'' is a mallee that typically grows to a height of , occasionally a tree up to , and forms a lignotuber. Young plants and coppice regrowth have hairy stems and leaves that are Petiole (botany), petiolate, long and wide. Adult leaves are lance-shaped to curved, long and wide on a petiole long. The flower buds are arranged in groups of three in leaf wikt:axil, axils on a Peduncle (botany), peduncle long, the individual buds on a Pedicel (botany), pedicel long. Mature buds are oval to pear-shaped, long and wide with a conical or rounded Operculum (botany), operculum. Flowering mainly occurs from September to December and the flowers are creamy whit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wongan Hills, Western Australia
Wongan Hills is a town in the Shire of Wongan-Ballidu, in the Wheatbelt region of Western Australia. The town is approximately 182 km north of the state capital Perth, at an altitude of 286 metres. The town is named for a nearby range of hills that are found to the north-west of the town, also named Wongan Hills, which was first recorded in 1836 by Surveyor General of Western Australia John Septimus Roe. History The area was settled by the 1900s, and in 1911 the town was gazetted and named after the range. "Wongan" is derived from the Indigenous Australian name "wangan-katta", "wanka" and "woongan". "Katta" is known to mean "hill", but the meaning of "wongan" is uncertain. It may be related to "kwongan", an indigenous word for sandplain, or "whispering", in which case "wongan katta" would mean "whispering hills" (katta is a word for hill). In the early 1900s, poet Lilian Wooster Greaves lived with her family at Wongan Hills. Her book of poetry includes a number of pros ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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