| Disanthus cercidifolius | |
|---|---|
 | |
| D. cercidifolia (sic), Curtis's Botanical Magazine, 1917 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Saxifragales |
| Family: | Hamamelidaceae |
| Genus: | Disanthus |
| Species: | D. cercidifolius |
| Binomial name | |
| Disanthus cercidifolius | |
Disanthus cercidifolius is a species of flowering plant in the family Hamamelidaceae. It is native to woodland habitats in China and Japan. [1]
The term Disanthus refers to the flowers that come in axillary pairs. The Latin specific epithet cercidifolius means "with leaves like the redbud tree ( Cercis )". [2] The epithet was originally spelled D. cercidifolia. [3] The International Code of Nomenclature for algae, fungi, and plants stipulates that the Latin grammatical gender is masculine, and so the spelling is D. cercidifolius. [4]
Disanthus cercidifolius is a medium-sized deciduous shrub growing to 3 m (10 ft) tall and wide. It is noted for its heart-shaped leaves which turn to shades of red, purple and yellow in autumn. [5] [6]
Disanthus cercidifolius is cultivated as an ornamental plant. It is a calcifuge, requiring a lime-free soil.
The plant has gained the Royal Horticultural Society's Award of Garden Merit. [7]
'Ena Nishiki' is a variegated cultivar with white and green foliage while 'Golden Crown' is a white and yellow variegated cultivar.
A cultivar is a kind of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include division, root and stem cuttings, offsets, grafting, tissue culture, or carefully controlled seed production. Most cultivars arise from purposeful human manipulation, but some originate from wild plants that have distinctive characteristics. Cultivar names are chosen according to rules of the International Code of Nomenclature for Cultivated Plants (ICNCP), and not all cultivated plants qualify as cultivars. Horticulturists generally believe the word cultivar was coined as a term meaning "cultivated variety".
The International Code of Nomenclature for algae, fungi, and plants is the set of rules and recommendations dealing with the formal botanical names that are given to plants, fungi and a few other groups of organisms, all those "traditionally treated as algae, fungi, or plants". It was formerly called the International Code of Botanical Nomenclature (ICBN); the name was changed at the International Botanical Congress in Melbourne in July 2011 as part of the Melbourne Code which replaced the Vienna Code of 2005.
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In botany, the correct name according to the International Code of Nomenclature for algae, fungi, and plants (ICN) is the one and only botanical name that is to be used for a particular taxon, when that taxon has a particular circumscription, position and rank. Determining whether a name is correct is a complex procedure. The name must be validly published, a process which is defined in no less than 16 Articles of the ICN. It must also be "legitimate", which imposes some further requirements. If there are two or more legitimate names for the same taxon, then the correct name is the one which has priority, i.e. it was published earliest, although names may be conserved if they have been very widely used. Validly published names other than the correct name are called synonyms. Since taxonomists may disagree as to the circumscription, position or rank of a taxon, there can be more than one correct name for a particular plant. These may also be called synonyms.
In botany, an infraspecific name is the scientific name for any taxon below the rank of species, i.e. an infraspecific taxon or infraspecies. The scientific names of botanical taxa are regulated by the International Code of Nomenclature for algae, fungi, and plants (ICN). This specifies a 'three part name' for infraspecific taxa, plus a 'connecting term' to indicate the rank of the name. An example of such a name is Astrophytum myriostigma subvar. glabrum, the name of a subvariety of the species Astrophytum myriostigma.
The International Code of Nomenclature for Cultivated Plants (ICNCP), is a guide to the rules and regulations for naming cultigens, plants whose origin or selection is primarily due to intentional human activity. It is also known as Cultivated Plant Code. Cultigens under the purview of the ICNCP include cultivars, Groups, and grexes. All organisms traditionally considered to be plants are included. Taxa that receive a name under the ICNCP will also be included within taxa named under the International Code of Nomenclature for algae, fungi, and plants, for example, a cultivar is a member of a species.
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