Award photo - AOC

Dendrobium

Dendrobium amethystoglossum

Author Rchb.f.

Species 5 awards

View all 1760 species in Dendrobium

Growing conditions

Cool Temperature class

16°C Day/night drop

426mm Annual rainfall

Jan, Feb, Oct, Nov, Dec Dry rest

Temperature

40°N Northern Hemisphere

Day high Night low Range across populations

Rainfall

426mm/year

☼ Dry rest period: Jan, Feb, Oct, Nov, Dec - reduce watering during these months

Jan 7° 7–7 -8° -8–-8 14mm

Feb 9° 9–9 -6° -6–-6 14mm

Mar 13° 13–13 -3° -3–-3 37mm

Apr 17° 17–17 1° 1–1 51mm

May 22° 22–22 7° 7–7 65mm

Jun 29° 29–29 12° 12–12 45mm

Jul 32° 32–32 15° 15–15 50mm

Aug 31° 31–31 14° 14–14 42mm

Sep 26° 26–26 9° 9–9 35mm

Oct 19° 19–19 3° 3–3 28mm

Nov 11° 11–11 -4° -4–-4 28mm

Dec 8° 8–8 -7° -7–-7 17mm

Bloom Season

Based on 5 recorded blooms.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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Awards

Photo: Australian Orchid Council

ACM / AOC 2012 'Trosty'

84.00 points Exhibited by Hopkins R. & J. QLD 29 September 2012

Measurements

Flower size 34 × 40 mm Petals 20 × 8 mm Dorsal sepal 20 × 5 mm Lateral sepals 20 × 5 mm Lip 26 × 5 mm

6 inflorescences 1,230 flowers

Segments red-purple 69C. Labellum purple 77A, shading to red-purple 69C. Eighty six inflorescences, total 1230 flowers. Stems 96mm. Points ACM = 84.0

View on AOC website ↗

Photo: Australian Orchid Council

AM / AOC 2012 'Trosty'

82.80 points Exhibited by Hopkins R. & J. QLD 29 September 2012

Measurements

Flower size 34 × 40 mm Petals 20 × 8 mm Dorsal sepal 20 × 5 mm Lateral sepals 20 × 5 mm Lip 26 × 5 mm

6 inflorescences 1,230 flowers

Segments red-purple 69C. Labellum purple 77A, shading to red-purple 69C. Eighty six inflorescences, total 1230 flowers. Stems 96mm. Points ACM = 84.0

View on AOC website ↗

Photo: Australian Orchid Council

ACM / AOC 2011 'Starlet'

78.60 points Exhibited by Hopkins R. & J. NSW 13 October 2011

Measurements

Flower size 25 × 38 mm Petals 17 × 8 mm Dorsal sepal 17 × 7 mm Lateral sepals 17 × 7 mm Lip 17 × 7 mm

2 inflorescences 24 flowers

Segments white 155B. Labellum white 155B. Central band purple 78B. Seventy two inflorescences. Average 24 flowers each. Total approx. 1600 flowers. Stems 95mm.

View on AOC website ↗

Photo: Australian Orchid Council

HCC / AOC 2011 'Starlet'

76.30 points Exhibited by Hopkins R. & J. NSW 13 October 2011

Measurements

Flower size 25 × 38 mm Petals 17 × 8 mm Dorsal sepal 17 × 7 mm Lateral sepals 17 × 7 mm Lip 17 × 7 mm

2 inflorescences 24 flowers

Segments white 155B. Labellum white 155B. Central band purple 78B. Seventy two inflorescences. Average 24 flowers each. Total approx. 1600 flowers. Stems 95mm. Pts ACM=78.6

View on AOC website ↗

Photo: Australian Orchid Council

ACC / AOC 1995 'Charlotte'

77.70 points Exhibited by Davis T. & G. QLD 28 September 1995

Measurements

Flower size 30 × 33 mm Petals 14 × 5 mm Dorsal sepal 18 × 5 mm Lateral sepals 18 × 5 mm Lip 20 × 5 mm

16 inflorescences 384 flowers

Segments white 155B. Labellum purple 78A. 16 inflorescences; 384 flowers

View on AOC website ↗

Award Comparison

Measurement	ACM/AOC 2012 'Trosty'	AM/AOC 2012 'Trosty'	ACM/AOC 2011 'Starlet'	HCC/AOC 2011 'Starlet'	ACC/AOC 1995 'Charlotte'
Flower size	34 × 40 mm	34 × 40 mm	25 × 38 mm	25 × 38 mm	30 × 33 mm
Petals	20 × 8 mm	20 × 8 mm	17 × 8 mm	17 × 8 mm	14 × 5 mm
Dorsal sepal	20 × 5 mm	20 × 5 mm	17 × 7 mm	17 × 7 mm	18 × 5 mm
Lateral sepals	20 × 5 mm	20 × 5 mm	17 × 7 mm	17 × 7 mm	18 × 5 mm
Lip	26 × 5 mm	26 × 5 mm	17 × 7 mm	17 × 7 mm	20 × 5 mm
Flower count	1,230	1,230	24	24	384
Inflorescences	6	6	2	2	16

Hybrids from Dendrobium amethystoglossum

As seed parent

Dendrobium Amonguidon × Dendrobium guerreroi

Synonyms

Callista amethystoglossaPedilonum amethystoglossum

Learn more

Kew Gardens Plants of the World Online iNaturalist Observations and photos