Overview

Comprehensive Description

General Description

Stem pseudobulbous, erect, fusiform, 6-30 cm, 1.5-5 cm in diameter at middle, with 2-5 internodes, with many bluntly rounded ridges, golden-yellow when dry. Leaves 2-5, subterminal, oblong, to 19 cm long, 2-3.5 cm or wider, leathery, base contracted, not decurrent into clasping sheaths, apex acute and hooked. Inflorescence subterminal, ascending or slightly pendulous, to 20 cm, laxly many flowered; peduncle and rachis stout, basal sheaths 4 or 5; floral bracts ovate-lanceolate, 2-3 mm, membranous, apex acute. Pedicel and ovary to 5 cm. Flowers slightly fragrant, thickly textured, golden-yellow, lip deeper golden-yellow with red stripes on each side at base, anther cap pale yellow. Dorsal sepal oblong, 12-20 mm long, 5-9 mm wide at middle, 7-veined, slightly obtuse; lateral sepals nearly equal to dorsal sepal; mentum semiglobose, ca. 4 mm wide. Petals oblanceolate, ca. as long as dorsal sepal, ca. 2 times as wide as sepals, ca. 10-veined, margin minutely dentate, apex rounded; lip nearly reniform-orbicular, ca. 20-23 mm, adaxially densely pubescent, margin undulate, apex shallowly bilobed; disk often opposite V-shaped raised, sometimes with U-shaped chestnut spots. Column ca. 5 mm; anther cap tower-shaped.
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Distribution

Dendrobium chrysotoxum is occurring in S and W Yunnan of China, NE India, Laos, Myanmar, Thailand, and Vietnam.
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Physical Description

Diagnostic Description

Dendrobium chrysotoxum is close relative of Dendrobium sulcatum, but differs from the latter in its stems not laterally compressed, thickly fusiform, with many ridges (vs. distinctly laterally compressed, clavate), petal margin minutely dentate (vs. entire), lip margin undulate (vs. minutely erose to ciliate-hairy).
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Ecology

Habitat

Epiphytic on tree trunks in sunny evergreen broad-leaved forests, lithophytic on rocks in open forests; 500-1600 m.
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Life History and Behavior

Cyclicity

Flowering from March to May.
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Molecular Biology and Genetics

Genetics

The chromosomal number of Dendrobium chrysotoxum is 2n = 38 (Cheng et al., 1985; Hashimoto, 1987; Vijayakumar and Subramanian, 1994).
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Molecular Biology

Barcode data: Dendrobium chrysotoxum

The following is a representative barcode sequence, the centroid of all available sequences for this species.


Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Statistics of barcoding coverage: Dendrobium chrysotoxum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 13
Specimens with Barcodes: 13
Species With Barcodes: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Wikipedia

Dendrobium chrysotoxum

The Golden-bow Dendrobium or Fried-egg Orchid (Dendrobium chrysotoxum) is a widely cultivated species of orchid. It is native to Southeast Asia, and has been found in the wild in Burma (Myanmar), Bhutan, Yunnan (China), Assam (India), Bangladesh, Andaman Islands, Laos, Nepal, Thailand, and Vietnam.[2][1][3][4][5][6][7]

References[edit]

  1. ^ a b Kew World Checklist of Selected Plant Families
  2. ^ "CITES Orchid Checklist: Online Version". Kew Gardens. pp. 227–228. 
  3. ^ Flora of China v 25 p 375, 鼓槌石斛 gu chui shi hu, Dendrobium chrysotoxum Lindley, Edwards’s Bot. Reg. 33: ad t. 19. 1847
  4. ^ Hossain, A.B.M. (2002). A Taxonomic report on the genus Dendrobium Sw.. Bangladesh Journal of Plant Taxonomy 9(2): 47-55.
  5. ^ Sittisujjatham, S. (2006). Wild Orchid of Thailand 1: 1-495. Amarin.
  6. ^ Lucksom, S.Z. (2007). The orchids of Sikkim and North East Himalaya: 1-984. S.Z.Lucksom, India.
  7. ^ Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India. Journal of Economic and Taxonomic Botany 32: 403-500.
  • Aldén, B., S. Ryman & M. Hjertson (2009) "Gulddendrobium" Våra kulturväxters namn - ursprung och användning Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).

Media related to Dendrobium chrysotoxum at Wikimedia Commons

Creative Commons Attribution Share Alike 3.0 (CC BY-SA 3.0)

Source: Wikipedia

Unreviewed

Article rating from 0 people

Average rating: 2.5 of 5

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!