Laelia
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Laelia is a small genus of 25 species in the orchid family (Orchidaceae).[1] Laelia species are found in areas of subtropical or temperate climate in Central and South America, but mostly in Mexico.[2] Laelia is abbreviated L. in the horticultural trade.[3]
Description
Mostly epiphyte herbs (with a few lithophytes) with laterally compressed pseudobulbs.[2][4] One to four leathery or fleshy leaves are born near the top of each pseudobulb, and can be broadly ovate to oblong.[4] The inflorescence is a terminal raceme (rarely a panicle).[2][4] The flowers have 8 pollinia; petals are of a thinner texture than the sepals; sepals and petals are of similar shape, but the sepals being narrower; the lip or labellum is free from the arched flower column.[2][4]
Distribution
Species of Laelia can be found from western Mexico south to Bolivia, from sea level to mountain forests.[2][5]
Taxonomy
The genus Laelia was described as part of subfamily Epidendroideae by John Lindley.[6] Brazilian Laelias, after being classified for several years under Sophronitis,[7] have now been placed in the genus Cattleya.[8] Moreover, species formerly placed in the genus Schomburgkia have been moved either to the genus Laelia or Myrmecophila.[9]
Species
Laelia comprises the following species:[1]
| Image | Name | Distribution | Elevation (m) |
|---|---|---|---|
| File:Laelia albida Orchi 005.jpg | Laelia albida Bateman ex Lindl. 1839 | Mexico | Script error: No such module "convert". |
| File:Laelia anceps var. veitchiana at the Pacific Orchid Exposition 2010.jpg | Laelia anceps Lindl. 1835 | Mexico and Honduras | Script error: No such module "convert". |
| Laelia aurea A.Navarro 1990 | Mexico ( Durango, Sinaloa and Nayarit ) | Script error: No such module "convert". | |
| File:L. autumnalis.JPG | Laelia autumnalis (Lex.) Lindl. 1831 | Mexico | Script error: No such module "convert". |
| File:Laelia colombiana - Flickr. 003.jpg | Laelia colombiana J.M.H.Shaw 2008 | Colombia and Venezuela | |
| File:Laelia elata - Flickr - Alejandro Bayer (3) - cropped.jpg | Laelia elata (Schltr.) J.M.H.Shaw 2009 | Colombia | |
| Laelia eyermaniana Rchb.f. 1888 | Mexico (Nayarit, Michoacán, and Jalisco, Sonora, Chihuahua, Durango, Guanajuato, and Querétaro. Halbinger) | Script error: No such module "convert". | |
| File:Laelia furfuracea Orchi 002.jpg | Laelia furfuracea Lindl. 1839 | Mexico (Oxaca) | Script error: No such module "convert". |
| Laelia gloriosa (Rchb.f.) L.O.Williams 1860 | Guyana, Venezuela, Colombia, Ecuador and northern Brazil | Script error: No such module "convert". | |
| File:Laelia gouldiana-003.jpg | Laelia gouldiana Rchb.f. 1888 | Mexico Hidalgo | Script error: No such module "convert". |
| Laelia × halbingeriana Salazar & Soto Arenas | Oaxaca, Mexico | Script error: No such module "convert". | |
| Laelia heidii (Carnevali) Van den Berg & M.W.Chase 2004 | Colombia and Venezuela | ||
| File:Schomburgkia - Laelia lueddemannii (35614934044) - cropped.jpg | Laelia lueddemannii (Prill.) L.O.Williams 1940 | Costa Rica, Panama, Colombia and Venezuela | Script error: No such module "convert". |
| Laelia lyonsii (Lindl.) L.O.Williams 1941 | Cuba and Jamaica | Script error: No such module "convert". | |
| File:Schomburgkia crispa-01.jpg | Laelia marginata (Lindl.) L.O.Williams 1941 | Colombia, Venezuela, French Guiana, Guyana, Suriname and Northern Brazil | |
| Laelia mottae Archila, Chiron, Szlach. & Pérez-García 2014 | Guatemala | Script error: No such module "convert". | |
| Laelia moyobambae (Schltr.) C.Schweinf. 1944 | Bolivia and Peru | ||
| Laelia rosea (Linden ex Lindl.) C.Schweinf. 1967 | Colombia, Venezuela and Guyana | ||
| File:Laelia rubescens Orchi 038.jpg | Laelia rubescens Lindl. 1840 | Mexico, Guatemala, Belize, El Salvador, Honduras and Nicaragua | Script error: No such module "convert". |
| Laelia schultzei (Schltr.) J.M.H.Shaw 2008 | Colombia | ||
| File:Laelia speciosa.jpg | Laelia speciosa (Kunth) Schltr. 1914 | Mexico | Script error: No such module "convert". |
| File:Laelia splendida (30793530577) - cropped.jpg | Laelia splendida (Schltr.) L.O.Williams 1941 | Colombia and Ecuador | Script error: No such module "convert". |
| File:Laelia superbiens Orchi 001.jpg | Laelia superbiens Lindl. 1840 | Mexico, Guatemala, Honduras and Nicaragua | Script error: No such module "convert". |
| File:Schomburgkia undulata 0zz.jpg | Laelia undulata (Lindl.) L.O.Williams 1941 | Costa Rica, Panama, Colombia, Peru, Trinidad, Venezuela | Script error: No such module "convert". |
| Laelia weberbaueriana (Kraenzl.) C.Schweinf. 1944 | Peru and Bolivia | Script error: No such module "convert". |
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Ecology
Species in this genus are found in forests from sea level to mountain habitats above 2000 m.[2] Species from above 2000 m of elevation like L. albida, and L. autumnalis are adapted to temperate climates and can be grown outdoors in places like the Mexican Plateau, California and other subtropical areas with cool summers.[2]
Laelia is one of the orchid genera known to use crassulacean acid metabolism photosynthesis,Script error: No such module "Unsubst". which reduces evapotranspiration during daylight because carbon dioxide is collected at night.
Cultivation
Laelias can be grown fastened to tree trunks, as long as the tree won't cast a deep shadow; they can also be fastened to a piece of branch or a slab of cork so they can be hung in a place facing south.[2] The growing medium must have good drainage, rapidly drying after watering; pieces of pine bark, charcoal or pebbles are good choices.[2] If grown mounted they definitely need approximately 50–70% humidity, while cooler temperatures increase the blooming process.[10] Watering can be done 2–3 times a week, but with lower frequency in winter.[2] Fertilization can be done with a very dilute solution, twice a month especially during growing season (May to November in Northern Hemisphere).[2]
Nothogenera
Hybrids of Laelia with other orchid genera are placed in the following nothogenera (this list is incomplete):
- × Laeliocattleya (Lc.) = Cattleya × Laelia
- × Laeliocatonia (Lctna.) = Broughtonia × Cattleya × Laelia
- × Laeliocatarthron (Lcr.) = Cattleya × Caularthron × Laelia
- × Sophrolaelia (Sl.) = Laelia × Sophronitis
Rhyncholaelia is a distinct genus rather than a nothogenus.
References
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External links
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