Pdf micropropagation of the endangered orchid, rhynchostylis retusa, was conducted through culture of thin root section, thin leaf section. Pdf rhynchostylis retusa is an endangered species of epiphytic orchids. Feb 23, 2016 rhynchostylis orchids grow epiphytically in the asian rainforests on the lower parts of trees, unlike vanda orchids, which grow on the tops. Got this as a seedling about 4 years ago at the santa barbara show, the pot had 2 different plants in it, so i got 2 for the price of one. Rhynchostylis was first described in 1825 by blume and his type species was rhynchostylis retusa which is pictured below. Uses, benefits, cures, side effects, nutrients in rhynchostylis retusa. This is a medium sized, hot to cool growing species that comes from the chinese himalayas, assam. Most of the species of this genus are sweetly scented. Media in category rhynchostylis retusa the following 34 files are in this category, out of 34 total. Orchid seeds are very small almost like dust and therefore not really countable. At this time of the year, we have rhynchostylis retusa a common orchid of this place in plenty. The board of trustees of the royal botanic gardens.
Rhynchostylis retusa, an orchid with long panicles of pink and purple. We welcome members of all levels to join us for orchid fun and learning. Feb 11, 2018 plenty rhynchostylis retusa in a beautiful display foxtail orchid species orchid. Two orchid species mercedes benz 715 062 pdf of high ornamental value, namely rhynchostylis retusa. Rhynchostylis in world checklist of selected plant families. Common name the blunt rhynchostylis in thailand phuang malai hang karawk aiyaret in china zuan hui lan. The diversity of 49 living wild rhynchostylis gigantea accessions collected from 22. Plants, orchidaceae, rhynchostylis retusa, leaves, flavonoids, alkaloids. Micropropagation of chang daeng rhynchostylis gigantea. In both the species, best response of callus induction was observed on. Due to their specific requirements for growing conditions, theyre only an option for gardeners in tropical areas, particularly those with shade houses.
It bears beautiful pendent inflorescences, and is of high floriculture. Rhynchostylis retusa has long drooping leaves which are deeply grooved in the middle and are dark green in colour. Strangely 1 some of the names are not common at all, and we may find them not known to us 2 some of. However, these methods cannot be used for commercial micropropagation effectively. Rhynchostylis cymifera jordan journal of biological sciences. Rhynchostylis coelestis 34, white with blue tips fragrant dbs 5 plants.
The plant has a short, stout, creeping stem carrying up to 12, curved, fleshy, deeply channeled, keeled, retuse apically leaves and blooms on an axillary pendant to 60 cm 24 in long, racemose, densely. Young leaf segments from plants growing both in vivo and in vitro were cultured on mitra et al medium bm supplemented variously with auxins iaa, naa, 2,4d, kinetin kn, ga3, and organic supplements peptone, urea, casein hydrolysate, and yeast extract. The individual species of this genus are commonly called foxtail orchids for their long thin densly packed inflorescences. Asymbiotic seed germination and in vitro conservation of. High frequency shoot regeneration from rhynchostylis. Our mission is to promote interest in the appreciation of orchids and to provide an. Rhynchostylis retusa 34, white with pale pink dbs 5 plants.
Vandeae carl blume described this small genus in the 1820s. In order to produce directly shoots via bud regeneration both rapidly and with a high frequency, a transverse thin cell layer ttcl method is extended to rhynchostylis gigantea. Rhynchostylis retusa also called foxtail orchid orchid. Morphological characterization of wild rhynchostylis. Comparative population studies using pcr based markers, rapd and issr, were performed to assess the genetic diversity of the wild orchid. Isolation and characterization of active principle from rhynchostylis. The callus embryoid plant regeneration was developed using immature seeds of aerides maculosa lindl. Plenty rhynchostylis retusa in a beautiful display. Rhynchostylis abbreviated rhy in the horticultural trade is a genus in the orchid family orchidaceae, closely allied to the genus vanda from which it differs in the onelobed lip of the flower and comprising four currently accepted species native to the indian subcontinent, china, indochina, malaysia, indonesia and the philippines. The inflorescence is a pendant raceme, consisting of more than 100 pinkspotted white flowers. This culture sheet was provided by charles and margaret baker.
Rhynchostylis gigantea has definitely become a collectors item in recent years with ever more unusual color forms being introduced into the marketplace. Rhynchostylis orchids grow epiphytically in the asian rainforests on the lower parts of trees, unlike vanda orchids, which grow on the tops. An introduction to climate tables and how to use them is available. You must be knowing, in assam girls decorate their hair with this orchid, in bihu dance in their language the flower is known as kopop phul. We think that rhynchostylis retusa is even more deserving of the foxtail name. Rhynchostylis cymifera orchidaceae, a new species from. Lip apex distinctly 3lobed, small central lobe truncate, fleshy, lateral lobes broad, orbicular.
Rhynchostylis retusa is a monopodial, epiphytic and medicinal orchid. A monopodial orchid, rhynchostylis coelestis has upright sprays of many small, white and lavenderblue flowers. Foxtail orchid care learn how to grow rhynchostylis. Names of rhynchostylis retusa in various languages of the world are also given. This page was last edited on 19 december 2019, at 21. Three endangered species of medicinal plants of north east india viz. Plenty rhynchostylis retusa in a beautiful display foxtail. One was very much smaller then other one and has always been the case, last year the taller one grew 2 side growths that are now almost as big as other seedling. Cymmv infection in plants of rhynchostylis retusa was reported from sikkim and. Wonderful spikes of pink and white flowers that seem more tightly held than others. Blume is an accepted name this name is the accepted name of a species in the genus rhynchostylis family orchidaceae. Feed rhynchostylis foxtail orchids every other watering, using a balanced fertilizer with an npk ratio, such as 202020.
Rhynchostylis, rossioglossum, sophronitella, sophronitis vanda and vandopsis premilre partie. Coelogyne nervosa is an epiphytic orchid endemic to western ghats, south india. It prefers intermediate to warm temperatures, bright to filtered light, and to be kept evenly moist. The explants from mature leaves did not show any growth and turned necrotic, while those obtained from juvenile leaves of 6moold. Pdf a new name for a distinctive rhynchostylis orchidaceae. Of the four basal media used, ms medium supported maximum seed germination. How rhynchostylis retusa is effective for various diseases is listed in repertory format. Pos news the palomar orchid society is a nonprofit organization dedicated to promoting the understanding and cultivation of both hybrid and species orchids. Rhynchostylis retusa orchidaceae they bloom on an axillary pendant to 60 cm 24 in long, racemose, densely flowered, cylindrical inflorescence that occurs in the winter and early spring. Two species of in its natural habitat as well as under cultivation in the carpenter bees of genus xylocopa are observed as the states of assam northeast india. Assessment of genetic variation among populations of. In india a mild sweet odour to attract the foragers. Rhynchostylis retusa herb uses, benefits, cures, side effects.
Descriptions, illustrations, identification, information retrieval. Pdf in vitro micropropagation and conservation of rhynchostylis. Leaves to 30 x 2 cm, lorate, obliquely bilobed at apex with a mucro in between, lobules rounded. State flower of assam rhynchostylis retusa from jorhat, assam. Rhynchostylis retusa in world checklist of selected plant families. Rhynchostylis retusa also called foxtail orchid is an orchid, belonging to the vanda alliance.
Rhynchostylis retusa discussion in orchid species started by orchidbyte, sep 11, 2011. A new name for a distinctive rhynchostylis orchidaceae and the misapplication of rhynchostylis praemorsa article pdf available january 2012 with 703 reads how we measure reads. Effect of basal media on growth responses of rhynchostylis retusa. Indian journal of biotechnology vol 11, july 2012, pp 288294 rapid in vitro mass multiplication of orchids aerides maculosa lindl. Engineering rhynchostylis retusalike heterostructured.
Though the flowers of rhynchostylis retusa have a nice scent, but my orchid produced scented flowers only once. Files are available under licenses specified on their description page. This epiphytic, monopodial genus is characterized by its very thick, leathery, closely arranged leaves with short stems and, vegetatively closely resembles aerides except for the shorter stems and thicker leaves. High frequency shoot regeneration from rhynchostylis gigantea. Please visit their web site to find out about their orchid species culture books, pollination database, and culture sheet subscription service. List of various diseases cured by rhynchostylis retusa.
This site makes an attempt to gather and share common names of the plants found in india. Further experiments to enhance seed germination were done on ms. The unmistakeable spicy fragrance is consistent across this genus, whether the species blooms in the winter or summer. The flower there are only a few reports on biotic and abiotic visitors soon after reaching the inflorescence search for pollination in orchids chaturvedi.
The plant has a short, stout, creeping stem carrying up to 12, curved, fleshy, deeply channeled, keeled, retuse apically leaves and blooms on an axillary. Rapid in vitro mass multiplication of orchids aerides. State flower of assam rhynchostylis retusa from jorhat. Among the youths, this orchid is regarded as symbol of love. All structured data from the file and property namespaces is available under the creative commons cc0 license. Plenty rhynchostylis retusa in a beautiful display foxtail orchid species orchid. The phytochemical screening and antimicrobial activities of different extract methanol, ethanol, chloroform and hexane of. Saccolabium retusum linnaeus voigt stems ascending, usually 310 cm, 12 cm in diam. The assynthesized architectures consist of versatile nanogeometries including nanowires, nanosheets, and nanoparticles in the form of rhynchostylis retusalike heterostructures, which synergistically enhance the energy storage properties. Rhynchostylis using buds and leaf primodia vij et al. Due to the erect or pendent inflorescences of closely packed flowers, rhynchostylis is commonly known as the foxtail orchid as is aerides.
Alternatively, feed the plant weekly, using a fertilizer mixed to onequarter strength. Rhynchostylis retusa is a monopodial epiphyte, exotic blooming orchid. Rhynchostylis in the orders and families of monocotyledons. Porpax reticulata, rhynchostylis retusa and vanda testacea had intraspecific variations with a range of 00. Rhynchostylis retusa, generally found in assam in abundance care rhynchostylis orchids grow in shaded areas. Rhynchostylis retusa in kew science plants of the world online. Rhynchostylis retusa herb uses, benefits, cures, side.
Ca, we got this about 7 years ago as a 2 plant in a basket bundle, put them both in this 8 ceder basket with no mix, they have. The generic name was derived from the greek rhyncho, beak and stylis, column, in reference to the beaked column exhibited in this genus. Rhynchostylis is a genus of tropical orchids with long, curved leaves and waxy flowers that grow in towerlike structures. Rhynchostylis coelestis blooms in spring and summer. Click here for full growing information from the orchid internet species photo encyclopedia or oispe by jay pfahl. Prominent morphological differences distinguishing. They have a waxy surface and grow in pendulous a bunch. The board of trustees of the royal botanic gardens, kew. Foxtail orchid care learn how to grow rhynchostylis foxtail. Smilax china, plumbago indica and rhynchostylis retusa were selected for. A reliable protocol for micropropagation of esmeralda clarkei rchb. In assam, it is popularly known as kopou phool, and is an integral part of a bihu dancers attire. During the winter, the plant benefits from a light feeding every three weeks, using the same fertilizer mixed to half strength. The genus rhynchostylis has three currently accepted species.
Often regeneration in orchids is only achieved through protocorms, i. Rhynchostylis orchid has typical vandaceous habitus it is a monopodial plant with leathery leaves, which are oppositely arranged, silverygreen roots with thick velamen layer, and flowers, born in racemes. The name consists of a compound of two greek elements. This attractive forth species is named and described. The common names are just as important as the scientific names.
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