Dendrobium speciosum Sm.

Rock orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Dendrobium

Characteristics

A large clump forming orchid. Clumps can be 2 m across. The false bulbs are about 40 cm long. They are swollen at the base and taper to the tip. The leaves are 25 cm long and 8 cm wide. They are oval and about 5 occur together. They are produced near the top of the false stem. The flowers occur in masses. They are creamy-white or yellow and 3.5 cm across. They are in clusters along a stalk which can be 70 cm along.
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See Dendrobium speciosus subsp. speciosus.
Life form perennial
Growth form herb
Growth support epiphyte
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It grows in tropical and subtropical places. It grows in coastal areas. It grows on rock faces and sandstone cliffs. It suits hardiness zones 9-11. It suits Mediterranean climates.
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Extending over some 2500 km, plants of Dendrobium speciosum occupy a wide diversity of habitats from the tropics and subtropics to temperate zones.
Light 4-6
Soil humidity 3-5
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The false bulbs are cooked by roasting and eaten. The stems are grated and dried and stored for later use.
Uses environmental use
Edible flowers stems
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by dividing large clumps. They can also be grown from aerial growth. It is possible to grow plants from seed.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Dendrobium speciosum unspecified picture

Distribution

Dendrobium speciosum world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:628644-1
WFO ID wfo-0000940624
COL ID 6CJJZ
BDTFX ID -
INPN ID 671298
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Tropilis speciosa Thelychiton speciosus Callista speciosa Dendrobium speciosum Dendrocoryne speciosum Dendrobium speciosum var. fusiforme Dendrocoryne speciosa var. fusiforme Dendrobium speciosum var. typicum

Lower taxons

Dendrobium speciosum var. capricornicum Dendrobium speciosum var. curvicaule Dendrobium speciosum var. grandiflorum Dendrobium speciosum var. hillii Dendrobium speciosum var. pedunculatum Dendrobium speciosum var. hillii Dendrobium speciosum var. hillii Dendrobium speciosum var. speciosum Dendrobium speciosum var. boreale Dendrobium speciosum var. blackdownense Dendrobium speciosum var. carnarvonense