Rhynchostylis retusa

Author (L.) Blume

Species 14 awards

Found in 15 countries

View all 7 species in Rhynchostylis

Growing conditions

Intermediate Temperature class

7–814m Elevation

10°C Day/night drop

2,002mm Annual rainfall

Jan, Feb, Dec Dry rest

Temperature

20°N Northern Hemisphere

Day high Night low Range across populations

Rainfall

2,002mm/year

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

Jan 26° 23–30 13° 9–18 12mm

Feb 28° 25–31 15° 12–19 17mm

Mar 31° 28–33 18° 15–21 31mm

Apr 32° 29–34 21° 19–24 72mm

May 32° 30–34 22° 20–25 163mm

Jun 31° 29–32 24° 20–25 356mm

Jul 29° 28–31 23° 20–24 484mm

Aug 29° 28–31 23° 20–24 411mm

Sep 29° 27–31 23° 20–24 269mm

Oct 30° 27–31 21° 18–23 145mm

Nov 28° 25–30 17° 15–20 30mm

Dec 26° 23–30 14° 10–18 12mm

Bloom Season

Based on 14 recorded blooms.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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Awards

Photo: G. Johnson

FCC / AOC 2023 'Christina'

85.10 points Exhibited by Anderson R. QLD 4 March 2023 Convened Judging

Measurements

Flower size 19 × 24 mm Petals 19 × 24 mm Dorsal sepal 10 × 5 mm Lateral sepals 8 × 7 mm Lip 12 × 10 mm

395 flowers 3 buds

Number of inflorescences 2, Total flower count 395 & 3 buds, relevant flower count 230 & 3 buds, length of relevant inflorescence 640mm. Segments- Red/Purple group 73D with markings of Purple group 78S and purple group 79C, Labellum Purple group 78B.

View on AOC website ↗

Photo: Batey J

HCC / AOC 2021 'Edmonton'

77.80 points Exhibited by Phillips P. QLD 6 February 2021 Nth Qld Orchid Society Cairns Meeting

Measurements

Flower size 20 × 23 mm Petals 13 × 11 mm Dorsal sepal 13 × 8 mm Lateral sepals 10 × 10 mm Lip 8 × 11 mm

1 inflorescence 160 flowers

1 inflorescence of 410mm with 160 flowers; petals and sepals Red Purple 69C with spotting of Purple Violet 81B; labellum All over Purple Violet 81B

View on AOC website ↗

Photo: Porteous T

AM / AOC 2020 'Nico One'

82.10 points Exhibited by Nicoll B. QLD 14 February 2020 Aspley OS summer show

Measurements

Flower size 18 × 20 mm Petals 10 × 5 mm Dorsal sepal 8 × 9 mm Lateral sepals 12 × 10 mm Lip 18 × 8 mm

2 inflorescences 203 flowers 20 buds

2 inflorescences of 470mm with 203 flowers and 20 buds (112 flowers + 2 buds relevant); petals and dorsal sepal Red 56D with markings of purple 78B; ventral sepals Red 56D wuth purple 75C markings; labellum purple 78B

View on AOC website ↗

Photo: Dix R.

AM / AOC 2017 'Beach'

83.30 points Exhibited by Heidke A. & B. QLD 19 January 2017 Bundaberg OS meeting

Measurements

Flower size 20 × 13 mm Petals 10.5 × 2 mm Dorsal sepal 9.6 × 1.7 mm Lateral sepals 10 × 3.6 mm Lip 10 × 5.9 mm

1 inflorescence 210 flowers

1 inflorescence of 520mm with 210 flowers; petals and sepals base Purple 76D with Purple 77A shading; labellum proximal Purple 76D and distal Purple 77A

View on AOC website ↗

Photo: Kemp J.

AM / AOC 2016 'Christina'

80.60 points Exhibited by Anderson R. QLD 24 February 2016 Special award judging

Measurements

Flower size 16.4 × 21.6 mm Petals 9.3 × 6 mm Dorsal sepal 9.4 × 9.8 mm Lateral sepals 11 × 98 mm Lip 9.6 × 6 mm

1 inflorescence 116 flowers

1 inflorescence of 350mm with 116 flowers;petals and sepals Red/purple 173D with markings of 78A and 79c; labellum red/purple 78B

View on AOC website ↗

Photo: S. Crosby

AM / AOC 2015 'Keith'

81.00 points Exhibited by Crosby S. & Costa A. NSW 12 January 2015 Sutherland OS Meeting

Measurements

Flower size 17.5 × 17.5 mm Petals 10 × 6 mm Dorsal sepal 7 × 9 mm Lateral sepals 7 × 9 mm Lip 6 × 6 mm

2 inflorescences 234 flowers 8 buds

2 inflorescences of 406mm with 234 flowers + 8 buds (133 flowers + 4 buds relevant); petals and sepals Base colour white NN155D with Purple N74C; labellum White NN155D at base, with Purple N74C at end

View on AOC website ↗

Photo: Australian Orchid Council

ACM / AOC 2011 'Pink Beauty'

80.30 points Exhibited by Henderson S. NT 6 November 2011

Measurements

Flower size 19 × 22 mm Petals 9 × 5 mm Dorsal sepal 9 × 7 mm Lateral sepals 9 × 7 mm Lip 11 × 5 mm

112 flowers 5 buds

Segments white 155B blotched purple-violet 82B. Labellum purple-violet 82D. Eighteen inflorescences 112 flowers/ 5 buds on main one. Total 1800 flowers/ 64 buds. Stems 420mm

View on AOC website ↗

Photo: Australian Orchid Council

AM / AOC 2010 'Bright Pink'

80.20 points Exhibited by James R. NT 1 December 2010

Measurements

Flower size 19 × 20 mm Petals 9 × 6 mm Dorsal sepal 8 × 6 mm Lateral sepals 9 × 6 mm Lip 7 × 5 mm

4 inflorescences 143 flowers 7 buds

Segments white 155B. Labellum purple 76A. Four inflorescences, 143 flowers/ 7 buds on main one. Total 509 flowers/ 171 buds. Stems 430mm-450mm.

View on AOC website ↗

Photo: Australian Orchid Council

HCC / AOC 2009 'Christina'

79.40 points Exhibited by Lattimore J. & M. VIC 13 November 2009

Measurements

Flower size 16 × 22 mm Petals 6 × 2 mm Dorsal sepal 5 × 3 mm Lateral sepals 6 × 3 mm

1 inflorescence 90 flowers 11 buds

Segments white 155B, spotted red-purple 74B. Labellum red-purple 74C. One inflorescence, 90 flowers/ 11 buds. Stem 300mm.

View on AOC website ↗

Photo: Australian Orchid Council

HCC / AOC 2000 'Keiths'

77.30 points Exhibited by Keith's Orchids QLD 2 January 2000

Measurements

Flower size 22 × 18 mm Petals 10 × 6 mm Dorsal sepal 9 × 7 mm Lateral sepals 12 × 8 mm Lip 9 × 7 mm

2 inflorescences 488 flowers 45 buds

Segments white 155C. Labellum purple 78C. Two inflorescences; 488 flowers 45 buds. Stem 400mm.

View on AOC website ↗

Photo: Australian Orchid Council

ACC / AOC 2000 'Keiths'

77.30 points Exhibited by Keith's Orchids QLD 2 January 2000

Measurements

Flower size 22 × 18 mm Petals 10 × 6 mm Dorsal sepal 9 × 7 mm Lateral sepals 12 × 8 mm Lip 9 × 7 mm

2 inflorescences 488 flowers 45 buds

Segments white 155C. Labellum purple 78C. Two inflorescences; 488 flowers 45 buds. Stem 400mm.

View on AOC website ↗

Photo: Australian Orchid Council

AM / AOC 1999 'Karen Maree'

82.40 points Exhibited by Young K. NT 20 November 1999

Measurements

Flower size 20 × 20 mm

1 inflorescence 220 flowers

Segments white spotted red 55B. Labellum red 55B. One inflorescence; 220 flowers. Stem 450mm.

View on AOC website ↗

Photo: Australian Orchid Council

HCC / AOC 1993 'Yuletide'

75.50 points Exhibited by Elder B. QLD 8 November 1993

Measurements

Flower size 18 × 22 mm Petals 12 × 6 mm Dorsal sepal 10 × 7 mm Lateral sepals 12 × 9 mm Lip 14 × 7 mm

1 inflorescence 87 flowers 15 buds

Segments 155C, spotted 78B. Labellum purple 78B. 1 inflorescence 300mm long; 87 flowers/ 15 buds.

View on AOC website ↗

Photo: Australian Orchid Council

AD / AOC 1993 'Patricia'

0.00 points Exhibited by Hodges K. & P. NSW 22 September 1993

Measurements

Flower size 24 × 26 mm Petals 15 × 6 mm Dorsal sepal 15 × 9 mm Lateral sepals 16 × 9 mm Lip 15 × 10 mm

3 inflorescences 12 flowers

Segments white overlaid red-purple 72B. Labellum white mottled red-purple 71A & 72B. 3 inflorescences, 30, 17 & 12 flowers.

View on AOC website ↗

Award Comparison

Measurement	FCC/AOC 2023 'Christina'	HCC/AOC 2021 'Edmonton'	AM/AOC 2020 'Nico One'	AM/AOC 2017 'Beach'	AM/AOC 2016 'Christina'	AM/AOC 2015 'Keith'	ACM/AOC 2011 'Pink Beauty'	AM/AOC 2010 'Bright Pink'	HCC/AOC 2009 'Christina'	HCC/AOC 2000 'Keiths'	ACC/AOC 2000 'Keiths'	AM/AOC 1999 'Karen Maree'	HCC/AOC 1993 'Yuletide'	AD/AOC 1993 'Patricia'
Flower size	19 × 24 mm	20 × 23 mm	18 × 20 mm	20 × 13 mm	16.4 × 21.6 mm	17.5 × 17.5 mm	19 × 22 mm	19 × 20 mm	16 × 22 mm	22 × 18 mm	22 × 18 mm	20 × 20 mm	18 × 22 mm	24 × 26 mm
Petals	19 × 24 mm	13 × 11 mm	10 × 5 mm	10.5 × 2 mm	9.3 × 6 mm	10 × 6 mm	9 × 5 mm	9 × 6 mm	6 × 2 mm	10 × 6 mm	10 × 6 mm	-	12 × 6 mm	15 × 6 mm
Dorsal sepal	10 × 5 mm	13 × 8 mm	8 × 9 mm	9.6 × 1.7 mm	9.4 × 9.8 mm	7 × 9 mm	9 × 7 mm	8 × 6 mm	5 × 3 mm	9 × 7 mm	9 × 7 mm	-	10 × 7 mm	15 × 9 mm
Lateral sepals	8 × 7 mm	10 × 10 mm	12 × 10 mm	10 × 3.6 mm	11 × 98 mm	7 × 9 mm	9 × 7 mm	9 × 6 mm	6 × 3 mm	12 × 8 mm	12 × 8 mm	-	12 × 9 mm	16 × 9 mm
Lip	12 × 10 mm	8 × 11 mm	18 × 8 mm	10 × 5.9 mm	9.6 × 6 mm	6 × 6 mm	11 × 5 mm	7 × 5 mm	-	9 × 7 mm	9 × 7 mm	-	14 × 7 mm	15 × 10 mm
Flower count	395	160	203	210	116	234	112	143	90	488	488	220	87	12
Inflorescences	-	1	2	1	1	2	-	4	1	2	2	1	1	3