Dendrobium secundum

Dendrobium secundum, also known as the toothbrush orchid, is a species of flowering plant in the genus Dendrobium of the family Orchidaceae. 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]

Toothbrush orchid
1847 illustration[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Dendrobieae
Genus: Dendrobium
Species:
D. secundum
Binomial name
Dendrobium secundum
Synonyms[2]
  • 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 is a Pseudobulb epiphyte. It lives 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]

the Dendrobium secundem lives wildly in more tropical areas like above, and the flowering times may differ depending on temperature, water, sun/shade and climate. If you look after it well it has one season where it just grows then opens its flowers.

References
  1. William Jackson Hooker (1785-1865) - Curtis's botanical magazine vol. 74 ser. 3 nr. 4 tab. 4352 (http://www.botanicus.org/page/435126)
  2. 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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