EARINA Lindl. 1834 Subfamily: Epidendroideae Tribe: Epidendreae Subtribe: Glomerinae	(None) There are about twenty epiphytic species are in this genus distributed on some South Pacific Islands and New Zealand. They are very attractive and produce small white flowers of unusual structure.
	SPECIES aestivalis alba autumnalis brousmichei crassicaulis deplanchei filiformis floripecten laxior mucronata plana quadrilobata santoensis sigmoidea suaveolens valida

EBUROPHYTON A.Heller 1904

See Cephalanthera

ECHINOGLOSSUM Blume 1841

See Cleisostoma

ECKARTIA Rchb.f. 1841

See Peristeria

ELASMATIUM Dulac 1867

See Goodyera

ELEORCHIS F.Maek. 1935 Subfamily: Epidendroideae Tribe: Arethuseae Subtribe: Bletiinae	(Elo.) There are only two terrestrial species in this genus both distributed in Japan. Species E. japonica was once listed as Arethusa japonica and Bletilla japonica.
	SPECIES japonica conformis

ELLEANTHUS C.Presl 1827 Subfamily: Epidendroideae Tribe: Arethuseae Subtribe: Sobraliinae SYNONYMS Adeneleuterophora Epilyna Evelyna Pseudelleanthus Sertifera	(None) Gr. elle,Helen; anthos,flower; Named in honor of the Ancient Greek Helena of Troy. Common name: "Praying-Virgin Orchid" There are about 75 species in this genus distributed throughout the tropical Americas, primarily in the Andean countries. Species flowers are brightly colored yellow, orange, or rose colored. Photo courtesy of Cahajek's Peruvian Orchids
	SPECIES aurantiacus capitatua capitatus furfuraceus longibracteatus linifolius

ELTROPLECTRIS Raf. 1836

See Stenorrhynchos

ELYTHRANTHERA (Endl.) A.S.George 1963 Subfamily: Orchidoideae Tribe: Diurideae Subtribe: Caladeniinae Alliance: Caladenia

(None) Gr. elytron,cover; anthera,the anther Common name: "Enamel orchid" alluding to the enameled look of the flowers There are only three deciduous  terrestrial species and one natural hybrid found in this genus distributed in Western Australia. The plant has a subterranean tuberoid structure enclosed in a fibrous layer. Flowers are pollinated by small bees. A.S.George created this genus by reclassifying species from genus Glossodia.

SPECIES brunonis emarginata intermedia × intermedia

EMBREEA Dodson 1980 Subfamily: Vandoideae Tribe: Cymbidieae Subtribe: Stanhopeinae	(Emb.) Named in honor of Alvin Embree, a patron of orchidology. There is only one epiphytic species in this genus which is found in the very wet cloud forests of western Colombia and southeastern Ecuador. This orchid produces a single very unusual-looking flower that hangs down attached to a long pendent inflorescence. In 1980 Dodson reclassified Stanhopea rodigasiana to Embreea rodigasiana.
	SPECIES rodigasiana

EMPUSA Lindl. 1824

See Liparis

EMPUSARIA Rchb.f. 1828

See Liparis

ENCYCLIA Hook. 1828 Subfamily: Epidendroideae Tribe: Epidendreae Subtribe: Laeliinae Alliance: Cattleya SYNONYMS Sulpitia

(Encycl.) Gr. enkyklein,to encircle or surround; alluding to the manner in which the lip encircles the column. Common name: "Butterfly Orchid" There are about 240 epiphytic species in this genus distributed throughout tropical America but mainly in Mexico with only a few species found in South America. Species produce an inflorescence bearing typically small but interesting looking flowers. Species of genus Encyclia were previously placed in genus Epidendrum and some authors still consider genus Encyclia to be only a subgenus of Epidendrum.

SPECIES adenocarpon adenocaula alata belizensis bractescens brassavolae citrina cochleata cordigera dichroma domingensis duveenii fowliei fragrans glumacea granitica howardii incumbens kautzkii jauana lancifolia lindenii mariae megahybos microbulbon moojenii nuerosa ochracea ortgiesii ovulum pastoris phoeicea powellii punctifera pygmaea randii remotiflora replicata sintenisii stellata suzanensis tampensis trachycarpa truncata unaensis varicosa wageneri withneri xipheres xuxiana

ENDEISA Raf. 1836

See Dendrobium

ENOTHREA Raf. 1836

See Octomeria

ENTATICUS Gray 1821

See Habenaria

EPHEMERANTHA P.F.Hunt & Summerh. 1961

See Flickingeria

EPHIPPIUM Blume 1825

See Cirrhopetalum and Bulbophyllum

EPIBLASTUS Schltr. 1905 Subfamily: Epidendroideae Tribe: Epidendreae Subtribe: Eriinae Alliance: Ceratostylis	(None) Gr. epiblastos,sprouting on or again; alluding to the growth habit of the genus. There are about 15 usually large epiphytic or terrestrial species in this genus distributed in New Guinea and the southwest Pacific islands including the Philippines. Species produce an erect inflorescence bearing small, waxy scarlet-red to reddish-orange flowers.
	SPECIES accretus angustifolius basalis chimbuensis kerigomnensis masangaricus montihageni ornithidioides pulchellus schultzei seranicus tuberculams

EPICLADIUM Small 1913

See Epidendrum

EPICRANTHES Blume 1825

See Bulbophyllum

EPICRIANTHES Blume 1828

See Bulbophyllum

EPIDENDRUM L. 1737 Subfamily: Epidendroideae Tribe: Epidendreae Subtribe: Laeliinae Alliance: Epidendrum SYNONYMS Amphiglottis Anacheilium Anocheile Auliza Coilostylis Didothion Dinema Dothilophis Doxosma Epicladium Exophya Eydisanthema Larnandra Microepidendrum Minicolumna Nyctosma Phadrosanthus Pleuranthium Prosthechea Pseudepidendrum Seraphyta Spathiger Stenoglossum Tritelandra

(Epi.) Gr. ept,upon; dendron,tree; alluding to the epiphytic habit of species of this genus. Common name: "Star Orchid" This is a HUGE genus with over 1,000 mostly epiphytic and a few terrestrial species in this genus distributed throughout tropical America from Florida to northern Argentina. Because there is such a very wide variation in vegetation, flower size and appearance, many species in this group have been split off into their own genera including Barkeria, Dimerandra, Encyclia, and Oerstedella. In the attempt to organize and sort the remaining species in the group, they can be divided into 50 natural subgroups. As a result, you may see Epidendrum species classified in one of the many subgenera including Diothonea, Epidanthus, Epidendropsis, Neolehmannia, Neowilliamsia and others. There still remains a lot of work to culturally unify this genus.

SPECIES (a small sample) altissimum amethystinum avicula calanthum ciliare cilindraceum cinnabarinum conopseum cochleatum coriifolium coronatum difforme falcatum gastropodium geminiflorum ibaguense ilense imatophyllum incomptum launcheanum longipetalum macroclinium marmoratum nocturnum oerstedii paranthicum peperomia prophyereum polybulbon porpax purpureum radicans ramosum raniferum rigidum secundum sophronitoides stamfordianum veroscriptum vesicatum

EPIGENEIUM Gagnep. 1932 Subfamily: __ Tribe: __ Subtribe: __ SYNONYMS Katherinea Sarcopodium	(None) Gr. epi,upon; geneion,chin; alluding to the position of the petals. There are about 35 species in this genus distributed in India, China, S.E.Asia, Indonesia, and the Philippines. Many species in this genus were previously classified in genus Dendrobium.
	SPECIES acuminatum amplum arjunoense cacuminis clemensiae cymbidioides dempoense exilifolium fuscescens gracilipes kinabaluense langbianense longipes lyonii nakaharaei navicularis pulchellum radicosum sanseiense simplex speculum suberectum treutleri uncipes verruciferum wichersii yunnanense zebrinum

EPILYNA Schltr. 1918

See Elleanthus

EPIPACTIS Zinn 1757 Subfamily: Orchidoideae Tribe: Neottieae Subtribe: Limodorinae SYNONYMS Amesia Arthrochilium Calliphyllon Calophyllum Parapactis	(Epcts.) Gr. epipaktis, name for a medicinal plant used by ancient Greeks. Common name: "Helleborine Orchid" There are about 35 terrestrial species in this genus distributed in Asia and Europe. One species, E. gigantea, is native to North America. They are usually very large plants with most bearing very large bracted flowers.
	SPECIES abortiva abyssinica africana exserta flaminia gracilis helleborine leptochila meridionalis microphylla muelleri palustris persica placentina rubiginosa tremolsii

EPIPHORA Lindl. 1836

See Polystachya

EPIPOGIUM Borkh. & J.F.Gmel. 1792 Subfamily: Epidendroideae Tribe: Epipogieae Subtribe: N/A SYNONYMS Ceratopsis Epipogon Galera Podanthera

(None) Gr. epi,upon; pogon,beard; alluding to the prominent beard-like lip. There are only three very unusual leafless saprophytic  terrestrial species in this genus distributed in Europe, Asia, Africa, Malayan and Australia. The dull white to pale green flowers are borne on a coral-like rhizome and are quite large and complex. Species E. roseum lives only one season, arising rapidly from the ground in a few days, producing flowers and fruit in quick succession. Within a week, the plant sheds its seeds and will be dead within the following week.

SPECIES aphyllum nutans roseum

EPIPOGON S.G.Gmel. 1853

See Epipogium

EPISTEPHIUM Kunth 1822 Subfamily: __ Tribe: __ Subtribe: __	(None) There are about twenty species in this genus distributed in South America and Brazil. Species are very striking plants even when not in bloom because the foliage on many on the species is variegated. The blooms are quite large, but short lived. Photo courtesy of Cahajek's Peruvian Orchids
	SPECIES amabile amplexicaule cruegeri duckei elatum goyanum hernandii lamprophyllum laxiflorum lucidum mardenii monanthum parviflorum petiolatum praestans racemosum regis-alberti sclerophyllum sessiliflorum smilacifolium speciosum subrepens tenuifolium williamsii

EPITHECIA Knowles & Westc. 1939

See DICHAEA

ERIA Lindl. 1825 Subfamily: Epidendroideae Tribe: Epidendreae Subtribe: Eriinae Alliance: Eria SYNONYMS Aeridostachya Alvisia Bryobium Callostylis Campanulorchis Ceratium Conchidium Conostalix Cylindrolobus Cymboglossum Dendrolirium Dilochiopsis Erioxantha Exeria Forbesina Mycaranthes Pinalia Trichosia Trichosma Tylostylis Urostachya Xiphosium

(None) Gr. erion,wool; alluding to wooly hairs on the flowers and stalks of some species in the genus. There are over 500 species in this genus distributed in many parts of the world including Australia, New Zealand, New Guinea, Indonesia, Asia, India, China, and the Philippines. There is a wide variation in the flower shapes and vegetative characteristics. Species produce a densely-flowered inflorescence bearing usually small white to pinkish or yellowish colored often uninteresting flowers. Some of the species are called "woolly" referring to the soft hairs covering the inflorescence and sometimes the entire plant. Species of this genus are closely related to Dendrobium. Very few of the species are in cultivation.

SPECIES albiflora atrorubens aurantiaca bambusifolia bicolor braccata bractescens caricifolia carinata coronaria cristata decipiens densa dischorensis ebulbis eriaeoides extinctoria fitzalani flava floribunda gigantea gobiensis helleri hollandiae intermedia javanica johnsonii kenejiana monostachya odoronia ornata pandurata pubescens rhodoptera rosea spicata stellata vestita vittata wichersii

ERIOPSIS Lindl. 1847 Subfamily: Vandoideae Tribe: Cymbidieae Subtribe: Cyrtopodiinae SYNONYMS Pseuderiopsis	(None) Eria,the orchid genus; opis,appearance. There are about a dozen South American species, some terrestrial and others epiphytic in this genus distributed from Honduras to Brazil and Peru. Species produce very pretty sprays of brownish yellow flowers.
	SPECIES biloba colombiana fuerstenbergii grandibulbosa helenae mesae rutidobulbon sceptrum schomburgkii sprucei wercklei werckleri

ERIAXIS Rchb.f. 1877

See Galeola Note: Some authors consider Eriaxis to be a valid genus and not a synonym of Galeola

ERIOPEXIS (Schltr.) Brieger 1981

See Dendrobium

ERIOXANTHA Raf. 1832

See Eria

ERYCINA Lindl. 1853 Subfamily: Vandoideae Tribe: Cymbidieae Subtribe: Oncidiinae	(Ercn.) Named after Erycina, who was the Aphrodite of Mt. Eryx in Sicily. There are only two rare epiphytic species in this genus distributed only in Mexico. Species are closely allied to genus Oncidium from where they were originally classified. The species were segregated from Oncidium because of the structural differences in their flowers.
	SPECIES diaphana echinata

ERYTHRORCHIS Blume 1835

See Galeola

ESMERALDA Rchb.f. 1874 Subfamily: Vandoideae Tribe: Vandeae Subtribe: Sarcanthinae	(None) Gr. smaragdus,emerald; alluding to the appearance of the deep emerald-green leathery leaves of these species. There are only about four species in this genus distributed from the shaded moist valleys of the eastern Himalaya and China south to the tropics of Burma and Thailand. Species produce three to five very pretty barred flowers on a short raceme.
	SPECIES bella cathcarti clarkei sanderiana

EUANTHE Schltr. 1914 Subfamily: Vandoideae Tribe: Vandeae Subtribe: Sarcanthinae Alliance: Vanda

(Enth.) Gr. euanthes,blooming Common name:"Waling-Waling orchid" There is only one terrestrial species, Euanthea sanderiana, in this genus found on the island of Mindanao, Philippines. Species Eu. sanderiana is closely related to genus Vanda and is still sometimes classified as Vanda sanderiana by some authors. It differs from the Vandas, however, because of the structure of the huge flattened flowers. Photo courtesy of Jay's Key West Orchid Page

SPECIES sanderiana

EUCNEMIA Rchb. 1841

orthographic variant See Govenia

EUCNEMIS Lindl. 1833

See Govenia

EULOPHIA R.Br. ex Lindl. 1823 Subfamily: Vandoideae Tribe: Cymbidieae Subtribe: Cyrtopodiinae Alliance: Eulophia SYNONYMS Cyrtopera Hypodematium Lissochilus Orthochilus Platypus Semiphajus Thysanochilus

(Eupha.) Gr. eu,well or true; lophos,plume; alluding to the crest on the lip of each bloom. There are about 250-300 mostly terrestrial and a few leafless saprophyte species in this genus widely distributed in the world's tropics including Asia, the Pacific Islands, and South America but most species are found in Africa. The habitats in which species are found varies widely; swamps, forests, sandy beaches, mountain grasslands, and even in semi-desert regions. Species produce an inflorescence bearing few to many often showy flowers which open over a period of time.

SPECIES alta abyssinica amblyosepala bathiei bicallosa burkei caricifolia cucullata dahliana dufossei ecarinata ecristata emarginata filicaulis geniculata grandiflora guineensis hemileuca horsfallii holtzei humilis inandensis jumelleana kondensis latifolia leucorhiza longifolia macrorhiza nuda ovalis pratensis quartiniana ramentacea speciosa undulata

EULOPHIDIUM Pfitzer 1888

See Oeceoclades or Eulophia

EULOPHIELLA Rolfe 1891 Subfamily: Vandoideae Tribe: Cymbidieae Subtribe: Cyrtopodiinae	(Eul.) The name is a diminutive of Eulophia, alluding to the superficial resemblance of the species in the genus. There are about nine species and one natural hybrid in this genus distributed in Madagascar.
	SPECIES capuroniana elisabethae ericophila galbana hamelinii peetersiana perrieri roempleriana saboureaui × rolfei

EULOPHIOPSIS Pfitzer 1887

See Graphorkis

EUOTHONAEA Rchb.f. 1852

See Hexisea

EUPHLEBIUM Brieger 1981

See Dendrobium

EURYCHONE Schltr. 1918 Subfamily: Vandoideae Tribe: Vandeae Subtribe: Angraecinae	(Echn.) There are only two very rare dwarf monopodial  epiphytic species in this genus. One distributed in Uganda and the other in the Belgian Congo. Species were segregated from genus Angraecum because of structural differences in the flower column.
	SPECIES galeandrae rothschildiana

EURYSTYLES Wawra 1863 Subfamily: _ Tribe: _ Subtribe: _ SYNONYMS Pseudoeurystyles Trachelosiphon	(None) Common name: "Custard Orchid" There are about a dozen epiphytic species in this genus distributed in the low montane rainforests of Central and northern South America with most species found in Brazil.
	SPECIES actinosophila alticola ananassocomos auriculata borealis cogniauxii colombiana cotyledon cristata domingensis gardneri lorenzii standleyi

EVELYNA Poepp. & Endl. 1835

See Elleanthus

EXERIA Raf. 1836

See Eria

EXOPHYA Raf. 1836

See Epidendrum

EYDISANTHEMA Neck. ex Post & Kuntze 1790

See Brassavola or Epidendrum

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