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Helichrysum
The genus ''Helichrysum'' consists of an estimated 600 species of flowering plants in the sunflower family (Asteraceae). The type species is ''Helichrysum orientale''. They often go by the names everlasting, immortelle, and strawflower. The name is derived from the Anicent Greek words (helios, sun) and (, gold). It occurs in Africa (with 244 species in South Africa), Madagascar, Australasia and Eurasia. The plants may be annuals, herbaceous perennials or shrubs, growing to a height of . The genus was a wastebasket taxon, and many of its members have been reclassified in smaller genera, most notably the Everlastings, now in the genus ''Xerochrysum''. Their leaves are oblong to lanceolate. They are flat and pubescent on both sides. The bristles of the pappus are scabrous, barbellate, or plumose. The receptacle (''base of the flower head'') is often smooth, with a fringed margin, or honey-combed, and resemble daisies. They may be in almost all colors, except blue. There are man ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Helichrysum Species
The following species in the flowering plant genus ''Helichrysum The genus ''Helichrysum'' consists of an estimated 600 species of flowering plants in the sunflower family (Asteraceae). The type species is '' Helichrysum orientale''. They often go by the names everlasting, immortelle, and strawflower. The nam ...'' are accepted by Plants of the World Online. The taxonomy of this genus is complex and remains unresolved. *''Helichrysum abbayesii'' *''Helichrysum abietifolium'' *''Helichrysum abietinum'' *''Helichrysum achryroclinoides'' *''Helichrysum acrophilum'' *''Helichrysum acutatum'' *''Helichrysum adenocarpum'' *''Helichrysum albanense'' *''Helichrysum albertense'' *''Helichrysum albiflorum'' *''Helichrysum albilanatum'' *''Helichrysum albirosulatum'' *''Helichrysum albobrunneum'' *''Helichrysum album'' *''Helichrysum allioides'' *''Helichrysum alsinoides'' *''Helichrysum alticola'' *''Helichrysum altigenum'' *''Helichrysum alucense'' *''Helichrysum amb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chrysocephalum Semipapposum
''Chrysocephalum semipapposum'', commonly known as clustered everlasting is a perennial shrub native to Australia. Clustered everlasting belongs to the family Asteraceae. ''C. semipapposum'' produces terminal flowers heads in clusters, mainly between spring and early summer with silver-grey appearing stems and branches. It grows up to 40cm high and 60 cm high, although there have been some varieties which can grow up to 1 m. ''C. semipapposum'' is often confused with '' Chrysocephalum apiculatum'' or 'yellow buttons', due to their similar appearances. ''C. semipapposum'' has 4 different subspecies, however they lack distinctive qualities and are often hard to identify. ''C. semipapposum'' is endemic to Australia and can be found in multiple states, most notably within Victoria. The plant is found in a variety of habitats including dry rocky regions.Everett, J. (1992) Chrysocephalum semipapposum (Labill.) Steetz. New South Wales Flora Online. PlantNET Clustered everlasting often g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helichrysum Orientale
''Helichrysum orientale'', also known as everlasting and immortelle, is the type species for the genus ''Helichrysum''. It is a native of North Africa, Crete, and parts of Asia bordering on the Mediterranean. It is cultivated in many parts of Europe. It first became known in Europe about the year 1629, and has been cultivated since 1815. Description In common with several other plants of the genus ''Helichrysum'', the immortelle plant possesses a large involucre of dry scale-like or scarious bracts, which preserve their appearance when dried, provided the plant be gathered in proper condition. The colour of the bracts is a deep yellow. The evergreen, downy, gray ash foliage becomes almost white in summer, making ''Helichrysum orientale'' an attractive plant for gardening. Sources The chief supplies of ''Helichrysum orientale'' come from lower Provence, where it is cultivated in large quantities on the ground sloping to the Mediterranean, in positions well exposed to the sun, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chrysocephalum Apiculatum
''Chrysocephalum apiculatum'', known by the common names common everlasting and yellow buttons, is a perennial herb native to southern Australia. It is a member of the Asteraceae, the daisy family. The name "everlasting" was inspired by its use as a long-lasting cut flower. It is increasing in popularity in Australia as a cottage garden plant, but is still not well known. Description The common everlasting grows to around 40 centimeters high, with spreading horizontal stems that turn upwards as they get longer. The elongated silvery grey leaves clasp tightly to the stems and are covered in fine, silky hairs. The flower heads are yellow in color and spherical in shape, around 1 centimeter in diameter each, and often borne in clusters. The florets are minute. Like many daisies, it has seeds which are gradually dispersed on the wind. The seed germinates readily, but has a short viable life. Habitat The plant grows in full sun on light, well-drained soil in grassy areas. It can toler ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chrysocephalum
''Chrysocephalum'', known by the common name everlastings for their long life as cut flowers, is a genus of flowering plants in the family Asteraceae. There are nine species, all of which were formerly classified under other genera (''Helichrysum'', '' Helipterum'' and '' Leptorhynchos''). ; Species All the species are endemic to Australia.Flann, C (ed) 2009+ Global Compositae Checklist * '''' ( Labill.) |
Xerochrysum
''Xerochrysum'' ( syn. ''Bracteantha'') is a genus of flowering plants native to Australia. It was defined by Russian botanist Nikolai Tzvelev in 1990, preceding (and taking precedence over) ''Bracteantha'' which was described the following year. A 2002 molecular study of the tribe Gnaphalieae has indicated the genus is probably polyphyletic, with ''X. bracteatum'' and ''X. viscosum'' quite removed from each other. Species This genus and its species names were formerly included in ''Bracteantha'' and before that in ''Helichrysum''. the authoritative ''Australian Plant Name Index'' recognises seven formally named species and five accepted species awaiting formal naming, description and publication: * ''Xerochrysum bicolor'' – Tasmania * ''Xerochrysum bracteatum'' , strawflower or golden everlasting – NSW, Vic, Tas, SA, Qld, NT, WA * ''Xerochrysum collierianum'' – Tasmania * ''Xerochrysum palustre'' , swamp everlasting, syn.: ''Bracteantha'' sp. aff. ''subundulata'' â ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae were first described in the year 1740. The number of species in Asteraceae is rivaled only by the Orchidaceae, and which is the larger family is unclear as the quantity of extant species in each family is unknown. Most species of Asteraceae are annual, biennial, or perennial herbaceous plants, but there are also shrubs, vines, and trees. The family has a widespread distribution, from subpolar to tropical regions in a wide variety of habitats. Most occur in hot desert and cold or hot semi-desert climates, and they are found on every continent but Antarctica. The primary common characteristic is the existence of sometimes hundreds of tiny individual florets which are held together by protective involucres in flower heads, or more technicall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudognaphalium
''Pseudognaphalium'' is a genus of flowering plants in the sunflower family. Members of the genus are commonly known as cudweeds or rabbit tobacco ('' P. obtusifolium'' is the original species with that name). They are widespread in temperate regions of many countries. Classification of a number of species is disputed between ''Pseudognaphalium'' and the related genus ''Gnaphalium''. Species ; SpeciesFlann, C (ed) 2009+ Global Compositae Checklist Formerly placed here * ''Helichrysum luteoalbum
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Polymorphism (biology)
In biology, polymorphism is the occurrence of two or more clearly different morphs or forms, also referred to as alternative ''phenotypes'', in the population of a species. To be classified as such, morphs must occupy the same habitat at the same time and belong to a panmictic population (one with random mating). Ford E.B. 1965. ''Genetic polymorphism''. Faber & Faber, London. Put simply, polymorphism is when there are two or more possibilities of a trait on a gene. For example, there is more than one possible trait in terms of a jaguar's skin colouring; they can be light morph or dark morph. Due to having more than one possible variation for this gene, it is termed 'polymorphism'. However, if the jaguar has only one possible trait for that gene, it would be termed "monomorphic". For example, if there was only one possible skin colour that a jaguar could have, it would be termed monomorphic. The term polyphenism can be used to clarify that the different forms arise from the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polyphyletic
A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of convergent evolution. The arrangement of the members of a polyphyletic group is called a polyphyly .. ource for pronunciation./ref> It is contrasted with monophyly and paraphyly. For example, the biological characteristic of warm-bloodedness evolved separately in the ancestors of mammals and the ancestors of birds; "warm-blooded animals" is therefore a polyphyletic grouping. Other examples of polyphyletic groups are algae, C4 photosynthetic plants, and edentates. Many taxonomists aim to avoid homoplasies in grouping taxa together, with a goal to identify and eliminate groups that are found to be polyphyletic. This is often the stimulus for major revisions of the classification schemes. Researchers concerned more with ecology than with systema ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syncarpha
''Syncarpha'' is a genus of herbaceous flowering plants in the family Asteraceae. The flowers are known by the common name: everlastings. The genus is endemic to the fynbos of the Eastern and Western Cape in South Africa. ; Species Species accepted by the Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ... as of December 2022: References External links Biodiversity Explorer ''Syncarpha'' Flora of South Africa Gnaphalieae Asteraceae genera {{Gnaphalieae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philip Miller
Philip Miller FRS (1691 – 18 December 1771) was an English botanist and gardener of Scottish descent. Miller was chief gardener at the Chelsea Physic Garden for nearly 50 years from 1722, and wrote the highly popular ''The Gardeners Dictionary''. Life Born in Deptford or Greenwich, Miller was chief gardener at the Chelsea Physic Garden from 1722 until he was pressured to retire shortly before his death. According to the botanist Peter Collinson, who visited the physic garden in July 1764 and recorded his observation in his commonplace books, Miller "has raised the reputation of the Chelsea Garden so much that it excels all the gardens of Europe for its amazing variety of plants of all orders and classes and from all climates..." He wrote ''The Gardener's and Florists Dictionary or a Complete System of Horticulture'' (1724) and ''The Gardener's Dictionary containing the Methods of Cultivating and Improving the Kitchen Fruit and Flower Garden'', which first appeared in 1731 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
