Dicentra peregrina
Encyclopedia
Dicentra peregrina is a herbaceous
perennial
growing from a rhizome
, native to Japan
, the Kuril Islands
, Sakhalin
Island, and northeastern Siberia
(including Kamchatka).
name peregrina is Latin
for "immigrant", possibly because the species is the only one of its genus
outside of North America
.
In Japanese, the plant (kusa) is named for the buds, which look like the head of a horse (koma).
are gray-green, glaucous
, and deeply cut, with linear lobes.
Flower
s have four rose-purple, pink, cream, pale yellow, or white petal
s and two tiny sepal
s. Outer petals are pouched at the base and strongly bent back at the ends. Inner petals are long and protruding, connected at the end.
, Dicentra formosa
, and Dicentra nevadensis
.
Herbaceous plant
A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...
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...
growing from a rhizome
Rhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...
, native to Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
, the Kuril Islands
Kuril Islands
The Kuril Islands , in Russia's Sakhalin Oblast region, form a volcanic archipelago that stretches approximately northeast from Hokkaidō, Japan, to Kamchatka, Russia, separating the Sea of Okhotsk from the North Pacific Ocean. There are 56 islands and many more minor rocks. It consists of Greater...
, Sakhalin
Sakhalin
Sakhalin or Saghalien, is a large island in the North Pacific, lying between 45°50' and 54°24' N.It is part of Russia, and is Russia's largest island, and is administered as part of Sakhalin Oblast...
Island, and northeastern Siberia
Siberia
Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...
(including Kamchatka).
Etymology
The speciesSpecies
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
name peregrina is Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...
for "immigrant", possibly because the species is the only one of its genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
outside of North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
.
In Japanese, the plant (kusa) is named for the buds, which look like the head of a horse (koma).
Description
LeavesLeaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....
are gray-green, glaucous
Glaucous
Glaucous is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the Glaucous Gull , Glaucous-winged Gull , Glaucous Macaw , and Glaucous...
, and deeply cut, with linear lobes.
Flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...
s have four rose-purple, pink, cream, pale yellow, or white petal
Petal
Petals are modified leaves that surround the reproductive parts of flowers. They often are brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called a corolla. Petals are usually accompanied by another set of special leaves called sepals lying...
s and two tiny sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...
s. Outer petals are pouched at the base and strongly bent back at the ends. Inner petals are long and protruding, connected at the end.
Cultivars
There are several hybrid cultivars involving Dicentra eximiaDicentra eximia
Dicentra eximia is a herbaceous perennial growing from rhizomes, native to rocky woodland and bases of cliffs in the Appalachians from Pennsylvania south.-Description:...
, Dicentra formosa
Dicentra formosa
Dicentra formosa is a herbaceous perennial growing from a rhizome, native to moist woodland from California to British Columbia.-Description:...
, and Dicentra nevadensis
Dicentra nevadensis
Dicentra nevadensis is a perennial plant native to gravelly outcroppings in the Sierra Nevada peaks of Tulare and Fresno Counties, California, sometimes treated as a subspecies of Dicentra formosa .Leaves are finely divided and sprout from the base of the plant.Flowers are heart-shaped, dull white,...
.
- Dicentra 'Candy Hearts' (D. eximia × D. peregrina)
rose-pink flowers - Dicentra 'Gothenburg' (D. formosa subsp. oregana × D. peregrina f.Form (botany)In botanical nomenclature, a form is one of the "secondary" taxonomic ranks, below that of variety, which in turn is below that of species; it is an infraspecific taxon...
alba) — light pink flowers - Dicentra 'Ivory Hearts' (D. eximia × D. peregrina)
white flowers - Dicentra 'King of Hearts' — D. peregrina × (D. formosa subsp. oregana × D. eximia)
pink flowers - Dicentra 'Luxuriant' (D. eximia × D. peregrina)
cherry-red flowers - Dicentra 'Tsuneshigo Rokujo' (D. nevadensis × D. peregrina)
pink flowers