NEWSLETTER April 2005
Barkeria dorothea, Barkeria shoemakerii,
Cattleya gaskelliana alba x alba sib, Dendrobium pulchellum
Oncidium ornithorhyncum, Dendrobium thyrsiflorum,
In PLANTS. Phalaenopsis
sanderiana, Phalaenopsis aphrodite, Trichoglottis brachiata Specimen, Oeoniella
polystachys, Photo left Trichoglottis
Trichoglottis tomentosa ( sagarikii) specimen, Paraphalaenopsis
to replate. Cattleya leopoldii "Garopaba x Rio
Grande", Cattleya quadricolor, Chysis bractescens, Cymbidium suave, Dendrobium
canaliculatum nigrescens, Phalaenopsis violacea "Sumatra".
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Barkeria dorothea. An intermediate
to cool growing species from Mexico, Rare. Flowers to 2 cm, pink
lilac, lip with darker purple markings, borne on a tall erect spike. Plants
are best grown in a small basket and when in growth should not be
allowed to dry out. When dormant, and plants can loose their leaves, a
drier rest is essential. They like similar sunlight conditions to that
for dendrobes etc.
Barkeria shoemakeri. This is the minature
of the genus. Same culture as above, see Barkerias
Cattleya gaskelliana alba x alba.
Flowers to 15cm, white the lip with an orange/yellow disk. A typical labiate
cattleya requiring a good open media with good drainage and lots
of sunlight. A sib cross of two albas will produce albas.
pulchellum. This intermediate growing Thailand species is a robust
plant with flowers to 5 inchs across, yellow flushed rose. Lip downy, with
2 redmaroon blotches. Several flowers are produce on a spike from the old
canes. A dry rest in winter is required, as for all soft cane Dendrobiums,
and lots of water and fertiliser in the growing season will produce a large
Oncidium ornithorhyncum. Central America.
This species produces many flowered clusters of pink flowers from
a leafy plant. Small pot or slab, a bright sunny spot, intermediate to
cool conditions. The flowers are very fragrant.
Dendrobium thyrsiflorum A showy
Thailand species like D. densiflorum, D.
farmerii etc. A well drained media, a drier rest in winter, and water
and fertiliser when in active growth will produce a robust specimen that
will produce large, pendulous spikes of white flowers, orange labellum,
much like a large bunch of grapes. An Intermediate grower, like Dend farmerii,
it is tolerent of a wide range of climates. Fragrant.
comorense. Madagascar, Comoro Islands. Dwarf species, slender leafy
stem. Flowers typically white, spurred, fragrant and often produced in
numbers when the plant develops side growths. A most charming elegant species.
species linked to photographs and cultural notes.
Phalaenopsis sanderiana. A rare Philippino
species, 2 fine pink clones sib crossed. Grows like P. stuartiana and P.
schilleriana with the dark green mottled leaf, purple underneath. The flowers
are like the typical P. amabilis, but flushed faint pink, with the tips
of the petals flushed darker pink purple. This species will grow into quite
large impressive plants with leaves to 40 cm or more long. Best grown warm,
very shady conditions, in a small basket or open container with a well
drained media. Advanced seedlings are growing robustly in small basket
pots in small bark.
aphrodite. Like P amabilis, Flowers pure
white, to 7 cm, yellow, red marks on lip crest. A Philippino species with
a long arching spike of well shaped large flowers. Culture as for Phal
sanderiana and the large leafed Phalaenopsis species in general.
Good air movement is essential at all times as they are intolerant of stale,
damp conditions.Advanced seedlings are growing robustly in small basket
pots in small bark.
brachiata Specimen. .Velvet dark maroon flowers,
with a contrasting purple lip. Showy, fragrant.This Philippino species
requires something to climb, so is best grown in a basket with a totem
pole to clamber up. Warm to intermediate conditons with lots of sunlight
short of leaf burn to encourage flowering all along the stem. Three flowering
size plants growing on treefern.
polystachys. A showy dwarf. Flowers green, white lip, very fragrant.
An angraecoid from Madagascar, intermediate conditions, sunlight much the
same as that for dendrobes. Best grown in a small well drained basket or
pot or on a slab with extra water. Flowering size plants are growing on
tomentosa ( sagarikii) specimen. A species much
like T brachiata in growth and habit. The flowers are yellow barred redbrown
with a contrasting white and purple labellum. Grown like T brachiata. Specimens
of three flowering size plants growing on treefern.
A terete leafed species, like all Paraphalaenopsis, requires a warm climate
and excellent drainage. Best grown in a small slotted pot or basket in
an open media, plants will also do well on a mount, treefern is ideal if
Requires similar shade to that for Phalaenopsis, but will tolerate
higher levels of sunlight and may need that to flower well.
species linked to photographs and cultural notes.
Cattleya leopoldii "Garopaba x Rio Grande",. A Brazilian
bifoliate Cattleya. This species can grow to be a large robust plant requiring
a large well drained pot or basket, good ventilation and sunlight. The
flower spike can bear up to 15 flowers, waxy chocolate flushed purple,
spotted purple red. The labellum is purple. A spectacular species. A sib
cross from a private Brazial collection.
Cattleya quadricolor. Colombia (Cattleya chocoense)
Flowers to 15cm, blush white to pink, usually in pairs, on a robust
pseudobulb with a single labiate leaf. The labiate Cattleyas are best grown
in a well drained pot or basket. The media should be open so that it does
not stay wet. Much like Cattleya
trianeae but the flowers more bell like.
bractescens. A robust growing species, in a genus from Mexico and
Central America. Large pseudobulbous plants require a rich almost semiterrestrial
media, well drained, with lots of water and fertiliser when the new growths
The flowers are large waxy, to 7 cm, white, lip yellow, long lived.
suave. Green to apple green flowers, yellow disc on lip, fragrant.
A robust species that grows naturally in the drier parts of northern Australia.
Cymbidium suave requires a deep pot ( tree stump if space permits), maximum
sunlight and water only when in active growth. Will grow into huge clumps.
Warm to intermediate.
Dendrobium canaliculatum nigrescens. A species
of the lowland teetree flats along the north east coast of Australia. Short
plump pseudobulbs topped with up to 5 fleshy, canaliculate (channelled)
leaves, bear a number of spikes, with a multitude of brown to chocolate
flowers, tipped white, a bright purple disk on the labellum. Fragrant.
Best grown in a small terracotta pot or on a slab, warm growing with maximun
sunlight. A definite dry season is required in the cooler months,
especially when the plants are not in active growth. .
violacea "Sumatra". Large waxy white flowers with the lateral sepals
violet purple. Use a small pot or basket with a well drained media that
does not dry out hard. Growing warm in a shady spot, it will develop
into a large quite impressive plant.
Species highlighted are links to photos.
More photos at www.speciesorchids.com/photos.html
The genus Barkeria is more or less centered in Mexico,
extending to Central America, Guatemala, Belize (Honduras) and Costa Rica.
At one time, many of the now recognised species were lumped together as
synonyms under Epidendrum Lindleyanum, now Barkeria Lindleyana.
A couple of the species are quite robust climbers,
in that the plants tend to creep upwards in quite large steps.
Larger growing species such as B. scandens, B.
Whartoniana and B. dorothea require a cylindrical basket type container
so that the roots can anchor in as the plant climbs. A fairly coarse media
is best, must be well drained but perhaps not drying out too hard too quickly.
Medium size species such as B.
Lindleyana, B. spectabile and B.
Skinnerii do best in a small basket or pot, again well drained, but
not excessively drying out.
Smaller growing species such as B.
shoemakeri, B. obovata ( synonym B. chinense), B.
palmerii and B. nervosa do better in a small well drained pot or basket.
The Barkerias will also grow on a treefern totem
or slab, but being heavy feeders when in growth, extra water will
When in active growth, they require lots of water
and fertiliser as this will determine the size of the new growth and the
When not in active growth, and often after leaves
fall, a definte dry rest should be given, as quite often, these species
will be deciduous during winter. Thus at that time, the plants should be
kept just damp until the start of new growths, when repotting can be done
or water and fertiliser commenced to promote the new growths.
Sunlight short of leaf burn is also required, otherwise
plants become spindly and flower poorly.
This colourful genus, with tall spikes of delicate
looking flowers, will put on an impressive display, especially if several
plants are potted together in the one pot or basket.
More photos at
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