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Stelis

Stelis, or leach orchids, is a large genus of orchids, with perhaps 500 species. The generic name Stelis is the Greek word for 'mistletoe', referring to the epiphytic habit of these species. These mainly epiphytic (rarely lithophytic) plants are widely distributed throughout much of South America, Central America, Mexico, the West Indies and Florida.[1]Stelis is abbreviated Ste. in the horticultural trade.[2]

Leach orchid
Silvery stelis (Stelis argentata)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Epidendreae
Subtribe: Pleurothallidinae
Genus: Stelis
Sw., 1799
Synonyms[1]
  • Humboltia Ruiz & Pav.
  • Physosiphon Lindl.
  • Dialissa Lindl.
  • Crocodeilanthe Rchb.f. & Warsz.
  • Pseudostelis Schltr.
  • Physothallis Garay
  • Steliopsis Brieger in F.R.R.Schlechter
  • Apatostelis Garay
  • Salpistele Dressler
  • Condylago Luer
  • Mystacorchis Szlach. & Marg.
  • Dracontia (Luer) Luer
  • Elongatia (Luer) Luer
  • Unciferia (Luer) Luer
  • Loddigesia Luer
  • Lomax Luer
  • Effusiella Luer
  • Niphantha Luer

Many of the older species were named by Lindley, Ruiz & Pavon and Reichenbach, while many of the recent species were named by Carlyle A. Luer. An orchid of the genus Stelis was probably the first American orchid ever to be brought to Europe. An herbarium specimen was depicted in 1591 in Tabernaemontanus' herbal book.

'Indian mistletoe'
first depiction of a Stelis orchid
pub 1625 in Herbal Book
of Johannes Theodorus Tabernaemontanus

Description edit

A single oblanceolate leaf develops from narrow, leathery outgrowths from a creeping stem.[3]

Most species grow long, dense racemes of small to minute flower in diverse shades of white. Other colors are rare. These flowers are photosensitive, only opening in the sunlight. Some close completely at night.

The three symmetrically rounded sepals generally form a triangle with a small central structure, made up of the column, small petals and small lip, though slight variation to this theme does occur.

This genus is not common in cultivation.

Taxonomy edit

Cladistic research (by A. Pridgeon, R. Solano and M. Chase) has shown that the genus Stelis is monophyletic. But the distinction with several Pleurothallis subgenera is blurred (see Reference).

They are closely related to the massive genus Pleurothallis and Masdevallia. Although vegetatively the species show much variety, the flowers show a basic uniformity and are very similar throughout. Apatostelis Garay, Dialissa Lindl., Humboldtia Ruiz & Pav. and Steliopsis Brieger are generally included into Stelis.

History edit

The genus Stelis was discovered with Charles Plumier, a French priest and botanist who was sent by Louis XIV, King of France, to study the flora of the Antilles in around 1690. He collected numerous species in Dominica (Caribbean island) and other islands, and published his findings in a catalogue called Nova Plantarum Americanarum Genera in 1703. Later on, Nikolaus von Jacquin, a Dutch botanist who collected extensively in the Caribbean, published his findings in two separate works. In 1760, he published the first one called Enumeratio Systematica Plantarum quas in Insulis Caribeis, where he described the same plant as Plumier´s polynomial (Epidendrum ophioglossoides). In 1763, he published a more detailed second work called Selectarum Stirpium Americanarum Historia. Here, Jacquin describes a plant of his own herbarium with the same name (E. ophioglossoides)[4]

Afterwards, on the “Expedición Botánica Española” (Spanish Botanic Expedition) sent by King Carlos III to study the flora of Peru and Chile, Hipolito Ruiz and Joseph Pavon complete results established 11 small plants of a new genus which they named Humboltia in honor of the renowned German explorer and naturalist Alexander Von Humboldt. In 1799, Olof Swartz, a Swedish botanist, studied the genus proposed by Ruiz and Pavon and found that it had been already used by Vahl to designate a Leguminosae. Because of this, he proposed the name Stelis in replacement of Humboltia. The species Epidendrum ophioglossoides was later moved to the genus Stelis by Swarz, and it is now the type species of the genus.[4]

Species edit

Select species of Stelis include:

  • Stelis alata Lindl. – winged stelis
  • Stelis argentata Lindl. – silvery stelis
  • Stelis aviceps Lindl. – bird head stelis
  • Stelis barbata Rolfe – bearded stelis
  • Stelis bidentata Schltr – two-toothed stelis
  • Stelis ciliaris Lindl. – hairy stelis
  • Stelis crescentiicola Schltr – Crescentia living stelis
  • Stelis dalstroemii Luer
  • Stelis flexuosa – flexuous stelis
  • Stelis gemma – gem stelis
  • Stelis glomerosa – ball stelis
  • Stelis guatemalensis – Guatemalan stelis
  • Stelis intermedia Poepp. & Endl. – in-between stelis
  • Stelis leinigii – Leinig's stelis
  • Stelis megantha – giant anther stelis
  • Stelis palmeiraensis – Palmeira stelis
  • Stelis pauciflora Lindl.
  • Stelis papaquerensis Rchb.f.
  • Stelis perpusilliflora – West Indian leach orchid
  • Stelis porschiana – Porsch's stelis
  • Stelis purpurea – purple stelis
  • Stelis pygmaea – pygmy leach orchid
  • Stelis triangulisepala – triangular sepal stelis

References edit

  1. ^ a b Kew World Checklist of Selected Plant Families
  2. ^ "Alphabetical list of standard abbreviations of all generic names occurring in current use in orchid hybrid registration as at 31st December 2007" (PDF). Royal Horticultural Society.
  3. ^ . Archived from the original on 2020-09-15. Retrieved 2020-02-12.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ^ a b Duque, Oscar (2008). ORCHIDACEAE STELIS SWARTZ. ISBN 978-9587141078.
  • Dr. C. Luer - Icones Pleurothallidinarum XXIV: A first century of new species of Stelis of Ecuador. Part 1 (2002); ISBN 1-930723-15-6
  • Dr. C. Luer - Icones Pleurothallidinarum XXVI: Pleurothallis subgenus Acianthera and three allied subgenera; A Second Century of New Species of Stelis of Ecuador; Epibator, Ophidion, Zootrophion (2004); ISBN 1-930723-29-6
  • Phylogenetic relationships in Pleurothallidinae 2022-07-11 at the Wayback Machine.

External links edit

  •   Media related to Stelis at Wikimedia Commons
  •   Data related to Stelis at Wikispecies

stelis, genus, bees, leach, orchids, large, genus, orchids, with, perhaps, species, generic, name, greek, word, mistletoe, referring, epiphytic, habit, these, species, these, mainly, epiphytic, rarely, lithophytic, plants, widely, distributed, throughout, much. For the genus of bees see Stelis bee Stelis or leach orchids is a large genus of orchids with perhaps 500 species The generic name Stelis is the Greek word for mistletoe referring to the epiphytic habit of these species These mainly epiphytic rarely lithophytic plants are widely distributed throughout much of South America Central America Mexico the West Indies and Florida 1 Stelis is abbreviated Ste in the horticultural trade 2 Leach orchidSilvery stelis Stelis argentata Scientific classificationKingdom PlantaeClade TracheophytesClade AngiospermsClade MonocotsOrder AsparagalesFamily OrchidaceaeSubfamily EpidendroideaeTribe EpidendreaeSubtribe PleurothallidinaeGenus StelisSw 1799Synonyms 1 Humboltia Ruiz amp Pav Physosiphon Lindl Dialissa Lindl Crocodeilanthe Rchb f amp Warsz Pseudostelis Schltr Physothallis Garay Steliopsis Brieger in F R R Schlechter Apatostelis Garay Salpistele Dressler Condylago Luer Mystacorchis Szlach amp Marg Dracontia Luer Luer Elongatia Luer Luer Unciferia Luer Luer Loddigesia Luer Lomax Luer Effusiella Luer Niphantha LuerMany of the older species were named by Lindley Ruiz amp Pavon and Reichenbach while many of the recent species were named by Carlyle A Luer An orchid of the genus Stelis was probably the first American orchid ever to be brought to Europe An herbarium specimen was depicted in 1591 in Tabernaemontanus herbal book Indian mistletoe first depiction of a Stelis orchid pub 1625 in Herbal Book of Johannes Theodorus TabernaemontanusContents 1 Description 2 Taxonomy 3 History 4 Species 5 References 6 External linksDescription editA single oblanceolate leaf develops from narrow leathery outgrowths from a creeping stem 3 Most species grow long dense racemes of small to minute flower in diverse shades of white Other colors are rare These flowers are photosensitive only opening in the sunlight Some close completely at night The three symmetrically rounded sepals generally form a triangle with a small central structure made up of the column small petals and small lip though slight variation to this theme does occur This genus is not common in cultivation Taxonomy editCladistic research by A Pridgeon R Solano and M Chase has shown that the genus Stelis is monophyletic But the distinction with several Pleurothallis subgenera is blurred see Reference They are closely related to the massive genus Pleurothallis and Masdevallia Although vegetatively the species show much variety the flowers show a basic uniformity and are very similar throughout Apatostelis Garay Dialissa Lindl Humboldtia Ruiz amp Pav and Steliopsis Brieger are generally included into Stelis History editThe genus Stelis was discovered with Charles Plumier a French priest and botanist who was sent by Louis XIV King of France to study the flora of the Antilles in around 1690 He collected numerous species in Dominica Caribbean island and other islands and published his findings in a catalogue called Nova Plantarum Americanarum Genera in 1703 Later on Nikolaus von Jacquin a Dutch botanist who collected extensively in the Caribbean published his findings in two separate works In 1760 he published the first one called Enumeratio Systematica Plantarum quas in Insulis Caribeis where he described the same plant as Plumier s polynomial Epidendrum ophioglossoides In 1763 he published a more detailed second work called Selectarum Stirpium Americanarum Historia Here Jacquin describes a plant of his own herbarium with the same name E ophioglossoides 4 Afterwards on the Expedicion Botanica Espanola Spanish Botanic Expedition sent by King Carlos III to study the flora of Peru and Chile Hipolito Ruiz and Joseph Pavon complete results established 11 small plants of a new genus which they named Humboltia in honor of the renowned German explorer and naturalist Alexander Von Humboldt In 1799 Olof Swartz a Swedish botanist studied the genus proposed by Ruiz and Pavon and found that it had been already used by Vahl to designate a Leguminosae Because of this he proposed the name Stelis in replacement of Humboltia The species Epidendrum ophioglossoides was later moved to the genus Stelis by Swarz and it is now the type species of the genus 4 Species editThis section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed August 2022 Learn how and when to remove this template message Main article List of Stelis species Select species of Stelis include Stelis alata Lindl winged stelis Stelis argentata Lindl silvery stelis Stelis aviceps Lindl bird head stelis Stelis barbata Rolfe bearded stelis Stelis bidentata Schltr two toothed stelis Stelis ciliaris Lindl hairy stelis Stelis crescentiicola Schltr Crescentia living stelis Stelis dalstroemii Luer Stelis flexuosa flexuous stelis Stelis gemma gem stelis Stelis glomerosa ball stelis Stelis guatemalensis Guatemalan stelis Stelis intermedia Poepp amp Endl in between stelis Stelis leinigii Leinig s stelis Stelis megantha giant anther stelis Stelis palmeiraensis Palmeira stelis Stelis pauciflora Lindl Stelis papaquerensis Rchb f Stelis perpusilliflora West Indian leach orchid Stelis porschiana Porsch s stelis Stelis purpurea purple stelis Stelis pygmaea pygmy leach orchid Stelis triangulisepala triangular sepal stelisReferences edit a b Kew World Checklist of Selected Plant Families Alphabetical list of standard abbreviations of all generic names occurring in current use in orchid hybrid registration as at 31st December 2007 PDF Royal Horticultural Society Archived copy Archived from the original on 2020 09 15 Retrieved 2020 02 12 a href Template Cite web html title Template Cite web cite web a CS1 maint archived copy as title link a b Duque Oscar 2008 ORCHIDACEAE STELIS SWARTZ ISBN 978 9587141078 Dr C Luer Icones Pleurothallidinarum XXIV A first century of new species of Stelis of Ecuador Part 1 2002 ISBN 1 930723 15 6 Dr C Luer Icones Pleurothallidinarum XXVI Pleurothallis subgenus Acianthera and three allied subgenera A Second Century of New Species of Stelis of Ecuador Epibator Ophidion Zootrophion 2004 ISBN 1 930723 29 6 Phylogenetic relationships in Pleurothallidinae Archived 2022 07 11 at the Wayback Machine External links edit nbsp Media related to Stelis at Wikimedia Commons nbsp Data related to Stelis at Wikispecies Retrieved from https en wikipedia org w index php title Stelis amp oldid 1141551716, wikipedia, wiki, book, books, library,

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