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Newsletter of the
Species Orchid Society of
Western Australia (Inc)
Editor e-mail: - Ph/Fax: 9296 1765
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Members
of Note
Quiet Achievers
&
Life Members
Members can have pictures of their orchid collection posted here. Just email Tony
------------------
Download; Plant Display Template
The Anne O'Callaghan Cultural Award:
Awarded to Siva for his plant of Gongora rufescens
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NEXT MEETING
- TUESDAY 8th August
2017 @ 7.45
AT WILSON COMMUNITY HALL, Braibrise
Rd, WILSON
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GENERAL MEETING -
11 June 2017, 7.50pm
Present: 37 present as per the register
Apologies: 3 as per register
Visitors: Nil
New members: Jo .
Minutes: Minutes of the June meeting
accepted (Jacqui, Lynne)
Business Arising: Nil
Raffle: Ian, Ian, Maxine, Murray, Ken, Tara, Lina & Courtney.
Name Badge: Sue.
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FORTH-COMING EVENTS
Home visits:
At 10 am on the Sunday after the fourth Thursday of each month. Please
bring chairs and food to share.
27 August - Rod and Heather, Woodvale
1 October - Graham & Margaret, Hamersley
29 October -Lynne, Eden Hill
26 November -Charly & Gerda, Sinagra
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Siva's Orchids
Comparettia speciosa
Dinema polybulbon
Gongora rufescens
Masdevallia mejiana
Prosthechea boothiana
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A message from The Water Corporation
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The
difference between
Phalaenopsis
amabilis & Phal. aphrodite subsp. formosana
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Peter's Orchids
Comparettia coccinea
Laelia anceps var. veitchiana
Paphiopedilum insigne
Paphiopedilum insigne var sanderae
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Correspondence:
WAOS final letter,
WAOS Bulletin #6,
GCA Bulletin
AOC renewal of membership ($100),
Native Orchid News for July,
Notice of Special Resolution for the 8th August GM.
Outwards:
Nil.
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MONTHLY PLANT
Oeceoclades spathulifera
Difficulty: Winter protection.
Description: Terrestrial species that is grown for the attractively patterned
leaves
Country of origin: Madagascar
Cost: $12.00
This month's plant is Oeceoclades spathulifera that was purchased
from Tinonee Orchids and has been grown on by Peter.
Oeceoclades spathulifera (H.Perrier) Garay & P.Taylor 1976
(the genus name is pronounced ee-see-oh-klah-deez) is a species from in
north-western Madagascar, where is grows in seasonally dry sandy forests
and on coastal dunes over limestone at 30-900m. This area is covered with
montane woodlands.
Oeceoclades spathulifera is a medium sized, warm growing terrestrial
with subterranean, flattened, ovoid pseudobulbs carrying 2 to 3, elliptic-linear,
green with darker green-blackish spotted leave. The flowers that appear
in late spring and early summer on an erect, basal, simple, several flowered
inflorescence are insignificant and the species is principally grown for
its attractively patterned foliage as its common name the Shining Spots
Oeceoclades indicates.
As it is a terrestrial species, it is best grown in a terrestrial mix.
This could be premium quality potting mix, sphagnum moss, perlite, or
coarse sand or some hydroponic media.
This species will grow in our conditions outside a glasshouse, but I believe
will need winter protection as the western side of Madagascar is dry (and
hot in summer) compared with the eastern seaboard and central plateau
rainforest.
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NOTES FROM YOUR COMMITTEE
1. By the time that we meet on Tuesday 8 August, the WA Orchid Spectacular will be over. The enthusiastic support of Western Australian orchid growers and interstate and overseas registrants and vendors, and by the general public is appreciated. Thank you to all our members who helped out over the weekend, and helped us create another memorable display.
2. The Spring Orchid Show will take place at Cannington on 26 and 27 August. We will be putting on a display using the props from WAOS. Please let Ken know if you are have any plants that might be in flower for the display. Set up will be Friday 25th AUG from 9:00am, then open to the Public from 9:00am - 5:00pm Saturday 26th. And 9:00am - 3:00pm Sunday 27th Aug.
3. Members that wish to sell plants can do so. Ken will be managing this
and you need to contact Ken if you wish to participate. A 10% commission
will be charged to cover the Species Society contribution to the cost
of staging the show.
4. If you haven't ordered your new badge
yet, please see Mich. The cost for badges with a magnetic clip is $13.50,
and with pin is $11.50.
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Unusual and Surprising Orchids and their
Reproductive Biology
by Ken Jones
The Mediterranean terrestrial species Orchis simia and Orchis italica also resemble monkeys, although are more reminiscent of naked hanging little men. The appearance is of cute little bodies hanging from the flowers, which are usually grey, white, pink, purple or reddish.
Orchis simia was first discovered in France in 1779 and can be
found from southern England down to northern Africa and as far east as
Iran.
It used to be a common orchid in UK but widespread clearing and de-vegetation
since 1920 have made it much rarer and difficult to find.
It is a perennial and flowers from May until June each year. Like many
of our Australian terrestrial orchids, it has two oval tubers from which
its genus name orchis from the orchidaceae family is derived.
In Greek, orchis is the word for testicle.
Now, it is only known from two locations in Kent and two sites in Oxfordshire.
It was common in the Thames Valley about 150 years ago. Fortunately, Orchid
italica is still widespread in the Mediterranean countries.
Pecteilis radiata, [Thunb.] Raf. 1836 (syn Habenaria radiata)
is found in China, Japan, Korea and Russia in forest glades at 1,500 m
as a small to medium sized, erect, cold growing terrestrial with small,
ovoid or ellipsoid tubers.
It is known by the common name the White Egret Orchid and as the Fringed
Orchid, Crane Orchid or Sagiso and is one of the most well known Japanese
species. It has up to 3 showy white flowers as the photo on the following
page illustrates The flowers are up to 4cm across.
Unfortunately, Pecteilis radiata has become endangered in the wild
due to habitat destruction, and is not easy to grow in captivity.
Fortunately, it can still be found in the private orchid collector's gardens,
and in some non-urbanised mountain areas over 500m as well as in protected
Japanese bogs where people are allowed to view the flowers.
A number of variegated leaf forms are in production. Some have white margins
on the leaves while others have variegated leaves with yellow/green variegation.
There is also a peloric flower form with the cultivar name 'Hishou' in
Japanese. In this instance, the peloric form has the petals replaced by
a further two labellums creating a stunning symmetrical flower. This cultivar
is rarely seen outside Japan, and the species itself demands special conditions
and attention if mature flowering plants are to survive in cultivation
for more than one or two seasons. Fortunately due to the liberal production
of new tubers each season, the number of plants is easy to increase.
Caleana major R Bria a unique Australian species from Queensland
to Tasmania. As the photo on the following page demonstrates, it strongly
resembles a duck in flight.
It is widespread and common, and forms sparse vegetative colonies in open
forest and heathland on gravel or sandy soil. Pollination is undertaken
by male sawflies that attempt to mate with the labellum, another instance
of pseudocopulation in endemic Australian species.
This and the following species rely on the beneficial association with
a very specific mycorrhizal fungi often found with Australian terrestrial
orchids.
Paracaleana minor ( R.Br. ) Blaxell 1972 (formerly Caleana minor)
is known as the small duck orchid and has up to seven flowers on each
raceme. It shares habitat with and resembles the somewhat larger Caleana
major. However, these plants are seldom noticed because of their small
size.
The habitat occupied by this species varies between open rocky areas on
sloping ground. Generally, it is found with other grasses and smaller
trees.
In common with Caleana major it is often found growing at the base of
eucalyptus trees, and its flower too is structured for insect pollination,
although some populations produce viable asexually set seed.
In Western Australia, we find the Hammer Orchids. The genus Drakaea,
all species of which are endemic to Western Australia use pheromones and
mimicry to attract their Thynnine wasp pollinators. What is even
more incredible is that each of the nine or so species has a one-to-one
relationship with a particular Thynnine wasp species.
All are to some degree endangered by habitat destruction that affects
their pollinators which too are often highly localised populations. The
orchid emits a pheromone that is similar to that of the female wasp, and
when the male wasp attempts to mate with it, the hinged labellum pivots
and brings the male wasp into contact with pollinia and stigmatic surface.
Drakaea thynniphila
Photo
source:
Cont. next month
See the whole article (so far)
HERE
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Fiona Stanley Hospital Site Terrestrial Orchids
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Tony & Sandy 's Orchids
Dendrobium bigibbum var. compactum
Paphiopedilum spicerianum
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Hygienic
Practice
The benefits of hygienic practice in keeping your collection free of plant diseases.
Hygiene tips to keep your orchids disease free.
See the full article HERE
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Treasurers Report - Charly provided the financial report. Current balance is $5,438.04 plus $6,000 in a term deposit. (Ken, Tony)
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Ken & Chris's Orchids
Barkeria whartoniana
Bulbophyllum spp
Dendrochilum cobbianum
Dendrochilum convallariaeforme
Paphiopedilum spicerianum
Paphiopedilum tranlienianum
Restrepia cymbula
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Imported plant news
Our quarantine facility is now closed. Further imports of plants will
now need to be flasks or plants from the Eastern States and local nurseries.
Ken & Chris
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GENERAL BUSINESS:
1. Ken was congratulated and thanked for
the use of his quarantine house and its enormous contribution to our Society.
2. Ken outlined the addition to our new rules (Rule 2) to put in the name of our Society. The members at the August GM will vote on these rules.
Species Orchid Society Rules PDF
3. If you have plants for the WAOS display tell Ken by the 21st of July so that labels can be made.
4. If you are a volunteer you need to be on a roster somewhere. Try to get to the orientation meeting at 6pm on Wednesday the 19th of July.
5. Our trailer will be unloaded at 8am on Friday the 4th of August and we will need a few people to help unload it.
6. Plants for our display can be given to Ken after 9:30am that day. Plants for judging need to be there at 8am.
7. The photo competition closes on the 14th of July.
8. A letter needs to be written to the AOC to show our support for Grahame Zerbe's nomination for president.
9. Courtney spoke about the Cymbidium Show in August. It is now called The Spring Orchid Show. There is a meeting of participants at the Rogasch residence on the 20th of July. Volunteers were called for a fund raising BBQ at the Cannington Bunnings on Saturday the 12th of August with roster times of 7 to 10, 10 to noon, noon to 2 and 2 to 4. Ken will be running our sales table - his way.
10. Ken and Chris Jones were thanked for the last home visit. Ray and Peta will host the one on the 30th of July.
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Tara's Orchids
Isochilus aurantiacus
Isochilus linearus
Laelia anceps var. veitchiana
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STANHOPEAS
by Bill Mather & Ken Jones
See the whole article
HERE
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Tony & Mavis's Orchid
Phalaenopsis bellina
Stenorrhycnhos speciosum
Zelenkoa onusta
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As usual, any and all comments are welcome