Dracula (plant)

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Dracula orchids
Dracula vampira 3.jpg
Dracula vampira
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Epidendreae
Subtribe: Pleurothallidinae
Genus: Dracula
Luer, 1978
Type species
Masdevallia chimaera (syn of Dracula chimaera)
Rchb. f.
Species

See text

The orchid genus Dracula, abbreviated as Drac in horticultural trade, consists of 118 species native to Mexico, Central America, Colombia, Ecuador and Peru. [1] The name Dracula literally means "little dragon", an allusion to the mythical Count Dracula, a lead character in numerous vampire novels and films. [2] [3] The name was applied to the orchid because of the blood-red color of several of the species, and the strange aspect of the long spurs of the sepals. [4] The plants were once included in the genus Masdevallia , but became a separate genus in 1978. This genus has been placed in the subtribe Pleurothallidinae.

Contents

Description

They are epiphytic and terrestrial species distributed in Central America and the northwest Andes. Almost half the species are found in Ecuador. They prefer shade and rather cool temperatures.

These caespitose orchids grow in tufts from a short rhizome, with a dense pack of stems. They lack pseudobulbs. On each stem grows one large, thin, plicate leaf with a sharply defined midrib. These glabrous, light to dark green leaves may be spongy, taking over the function of the missing pseudobulb. They are tipped with a mucro (a short tip).

The flower stalks grow either horizontally from the base of the plant or descend, often for great distances. A few species grow upright flower stalks. The long-tailed terminal flowers are basically triangular. The flowers are borne singly or successively. Three species (sodiroi, decussata/neisseniae, and papillosa) may have up to three simultaneously open flowers on a single stalk. In general, though, if there is more than one flower bud on the raceme, they open up with long intervals. These flowers have a weird aspect, due to the long tails on each sepal. The petals are small and somewhat thickened. Quite commonly, various species of Dracula are known for blooms resembling the faces of primates, a notable example being Dracula simia . However, this likeness to monkeys’ faces seems to be purely a natural coincidence to the primates living in the same forests. In fact, these flowers are pollinated by the common fungus gnat; [5] the bloom’s lip is often quite large (for a Pleurothallid), and from the fungus gnat’s perspective, resembles an irresistible mushroom or fungus. Research by biologists at the University of Oregon indicates that D. lafleurii also possesses a uniquely volatile chemistry, similar to localized species of mushrooms. This mimicry attracts mushroom-associated flies which play a role in pollination. [6] The basal part of the lip (hypochile) is cleft. The terminal part (epichile) is rounded and concave. The margins of the perianth are often fringed. There is a well-developed column with two pollinia.

(Dracula chestertonii) Draculachestertonii.web.jpg
(Dracula chestertonii)

Taxonomy

The species of Dracula have tentatively been divided into three subgenera, with sections and subsections within one of the subgenera.


Dracula cordobae Dracula cordobae.jpg
Dracula cordobae
Dracula houtteana Draculahoutteana1web.jpg
Dracula houtteana
Dracula olmosii Dracula Olmosii Bloom Profile.jpg
Dracula olmosii
Dracula sodiroi Draculasodiroi.web.jpg
Dracula sodiroi

Hybrids

Footnote

  1. Kew World Checklist of Selected Plant Species
  2. McNally, Raymond T.; Florescu, Radu R. (1994). In Search of Dracula, The History of Dracula and Vampires (Completely Revised ed.). Boston: Houghton Mifflin. pp.  8–9. ISBN   0-395-65783-0.
  3. Stoker, Bram. 1897. Dracula. Archibald Constable and Company, Westminster.
  4. Planet Arkive : Dracula orchid Archived May 17, 2014, at the Wayback Machine
  5. Policha, Tobias; Grimaldi, David A.; Manobanda, Rocío; Troya, Adrian; Ludden, Ashley; Dentinger, Bryn T. M.; Roy, Bitty A. (2019-02-27). "Dracula orchids exploit guilds of fungus visiting flies: new perspectives on a mushroom mimic". Ecological Entomology. 44 (4): 457–470. doi:10.1111/een.12720. S2CID   91204148.
  6. Policha, Tobias; Davis, Aleah; Barnadas, Melinda; Dentinger, Bryn T. M.; Raguso, Robert A.; Roy, Bitty A. (2016-02-15). "Disentangling visual and olfactory signals in mushroom-mimicking Dracula orchids using realistic three-dimensional printed flowers". New Phytologist. 210 (3): 1058–1071. doi: 10.1111/nph.13855 . ISSN   0028-646X. PMID   26877229.

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<i>Oncidium</i> Genus of orchids

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<i>Kraenzlinella</i> Genus of orchids

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<i>Dracula vampira</i> Species of orchid

Dracula vampira is an epiphytic orchid species, endemic to Ecuador.

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Dracula simia, known also as the monkey-like Dracula, is an epiphytic orchid originally described as part of the genus Masdevallia, but later reclassified as part of genus Dracula. The arrangement of column, petals and lip resembles a monkey's face. The plant blooms at any season with several flowers on the inflorescence that open successively. Flowers are fragrant with the scent of a ripe orange. The monkey orchid is native to the cloud forests of Ecuador, Peru, and Colombia. Although it was first documented in Ecuador, its natural habitat extends across these three countries. Currently, this orchid is in danger of extinction due to habitat destruction and over-collection.

References