Orange Blossom Orchid

Sarcochilus falcatus

''Sarcochilus falcatus'', commonly known as the orange blossom orchid, is a small epiphytic or lithophytic orchid that is endemic to eastern Australia. It has up to eight, leathery leaves with fine teeth on the edges and up to twelve white to cream-coloured flowers with a white labellum that has orange and purple markings.
Sarcochilus falcatus, Orhidaceae - flowers in situ Sarcochilus falcatus was photographed at Springbrook, south-east Queensland at the end of August [early Spring] in 2013. This plant was growing just above head height, so just accessible for a close-up image.

The plant is growing on the side of a tree in shade in subtropical rain forest at around 770 m altitude. The flowers are 2 cm across and they have a delightful perfume during the day. The common name orange blossom orchid is likely to be for the white flowers and the scent which is pleasant mixture of hyacinth, frangipani, vanilla custard and candy. Australia,Geotagged,Orange blossom orchid,Orchidaceae,Winter,falcatus

Appearance

''Sarcochilus falcatus'' is a small epiphytic or lithophytic herb with a stem 40–80 mm long with between three and eight leathery, often curved leaves 60–160 mm long and 15–20 mm wide with fine teeth on the edges. Between three and twelve white to cream-coloured, fragrant flowers 20–30 mm long and wide are arranged on an arching flowering stem 70–180 mm long. The sepals and petals are egg-shaped, spread widely apart from each other and are 10–16 mm long and 5–7 mm wide. The labellum is white with orange and purple markings, 4–6 mm long with three lobes. The side lobes are erect, about 7 mm long and 5 mm wide and the middle lobe is short and fleshy. Flowering occurs between June and October.
Sarcochilus falcatus, Orchidaceae - plant in situ Sarcochilus falcatus was photographed at Springbrook, south-east Queensland at the end of August [early Spring] in 2013. This plant was growing in the shade in subtropical rain forest about 3-4 m above the ground. The flowers are white even though the ones on the shady side may look to be cream-coloured or yellowish. I am not a good tree climber so the flowers were not accessible for a close-up.
 
There are three other plants in the view, which have already finished blooming. The racemes become black when dry. This image was taken from the side of a slope so that this view was near eye-level.
 Australia,Geotagged,Orange blossom orchid,Orchidaceae,Winter,falcatus

Naming

''Sarcochilus falcatus'' was first formally described in 1810 by Robert Brown who published the description in ''Prodromus Florae Novae Hollandiae et Insulae Van Diemen''. It was the first species of ''Sarcochilus'' to be described and is therefore the type species. The specific epithet is a Latin word meaning "sickle-shaped" or "curved", referring to the shape of the leaves.

Distribution

The orange blossom orchid grows on trees but sometimes on rocks, usually in places exposed to air movement, clouds and drizzly weather. It grows in the Cedar Bay National Park in Queensland and south to the coast and nearby tablelands of New South Wales. It rarely occurs in the far north-eastern corner of Victoria.

Status

This orchid is classed as "endangered" under the Victorian Government ''Flora and Fauna Guarantee Act 1988''.

Habitat

The orange blossom orchid grows on trees but sometimes on rocks, usually in places exposed to air movement, clouds and drizzly weather. It grows in the Cedar Bay National Park in Queensland and south to the coast and nearby tablelands of New South Wales. It rarely occurs in the far north-eastern corner of Victoria.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassMonocots
OrderAsparagales
FamilyOrchidaceae
GenusSarcochilus
SpeciesS. falcatus
Photographed in
Australia