Dendrobium secundum

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Toothbrush orchid
Dendrobium secundum.jpg
1847 illustration[1]
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Genus: Dendrobium
Species: D. secundum
Binomial name
Dendrobium secundum
(Blume) Lindl.
  • Pedilonum secundum Blume
  • Dendrobium bursigerum Lindl.
  • Dendrobium heterostigma Rchb.f.
  • Dendrobium secundum var. niveum Rchb.f.
  • Callista bursigera (Lindl.) Kuntze
  • Callista secunda (Blume) Kuntze
  • Dendrobium secundum f. album Valmayor & D. Tiu
  • Pedilonum bursigerum (Lindl.) Rauschert

Dendrobium secundum, also known as the toothbrush orchid, is a species of flowering plant in the family Orchidaceae and in the Dendrobium genus. The common name refers to the fact that all the flowers are on the same side of the stem, much like the bristles all on one side of a toothbrush.[3]

Dendrobium secundum is a Pseudobulb epiphyte. It occurs in diverse habitats throughout Southeast Asia, including Andaman & Nicobar Islands, Thailand, Philippines, Peninsular Malaysia, Java, Borneo, Sumatra, Sulawesi, Indo-China and Lesser Sunda Islands.[2][4][5]


  1. ^ William Jackson Hooker (1785-1865) - Curtis's botanical magazine vol. 74 ser. 3 nr. 4 tab. 4352 (
  2. ^ a b Kew World Checklist of Selected Plant Families
  3. ^ IOSPE orchid photos, Dendrobium secundum Lindl. 1828 J.J.Sm Photo courtesy of Eric Hunt, plant grown by Eddon Orchids photo; common name explained in caption
  4. ^ 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.
  5. ^ Wood, J.J., Beaman, T.E., Lamb, A., Lun, C.C. & Beaman, J.H. (2011). The Orchids of Mount Kinabalu 2: 1-726. Natural history publications (Borneo), Kota Kinabalu, Malaysia.

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