Caladenia georgei

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Tuart spider orchid
Caladenia georgei 02.jpg
Caladenia georgei growing west of Preston Beach
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Diurideae
Genus: Caladenia
Species:
C. georgei
Binomial name
Caladenia georgei
Synonyms [1]

Caladenia georgei, commonly known as the tuart spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and up to three whitish to yellowish-green flowers flushed with red and which have a white labellum with a red tip.

Contents

Caladenia georgei labellum detail Caladenia georgei 01.jpg
Caladenia georgei labellum detail

Description

Caladenia georgei is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, 120–220 mm (5–9 in) long and 5–12 mm (0.2–0.5 in) wide. Up to three flowers 60–100 mm (2–4 in) long and 50–80 mm (2–3 in) wide are borne on a stalk 250–500 mm (10–20 in) high. The flowers are whitish to yellowish-green, flushed with red while the lateral sepals have narrow, club-like, glandular tips. The lateral sepals and petals spread widely and curve downwards. The dorsal sepal is erect, 50–75 mm (2–3 in) long and about 3 mm (0.1 in) wide at the base, the lateral sepals are 45–85 mm (2–3 in) long and 4–6 mm (0.16–0.24 in) wide and the petals are 45–50 mm (1.8–2.0 in) long and 2–4 mm (0.08–0.2 in) wide. The labellum is 12–25 mm (0.5–1 in) long and 10–18 mm (0.4–0.7 in) wide and white with a red tip. The sides of the labellum have spreading, red-tipped teeth up to 12 mm (0.5 in) long and the tip of the labellum is curved downwards. There are four rows of red calli up to 2 mm (0.08 in) long, along the centre of the labellum. Flowering occurs in September and October. [2] [3] [4]

Taxonomy and naming

Caladenia georgei was first described in 2001 by Stephen Hopper and Andrew Phillip Brown from a specimen collected near Bunbury and the description was published in Nuytsia . [1] The specific epithet (georgei) honours Alex George. [3]

Distribution and habitat

Tuart spider orchid occurs between Yanchep and Busselton in the Jarrah Forest and Swan Coastal Plain biogeographic regions where it grows in deep sandy soil in woodland, especially tuart woodland. [2] [3] [4] [5]

Conservation

Caladenia georgei is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife. [5]

Related Research Articles

<i>Caladenia cruscula</i> Species of orchid

Caladenia cruscula, commonly known as the reclining spider orchid is a species of orchid endemic to a small area in the south-west of Western Australia. It has a single hairy leaf and a single cream-coloured flower with a long red fringe on the sides of its labellum.

<i>Caladenia exstans</i> Species of orchid

Caladenia exstans, commonly known as the pointing spider orchid, is a species of orchid endemic to a small area in the south-west of Western Australia. It has a single, hairy leaf and one or two green, yellow and red flowers with a labellum which does not curl downwards but "points" forward.

<i>Caladenia footeana</i> Species of orchid

Caladenia footeana, commonly known as the crimson spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two, relatively small pinkish-red flowers with a white, red-striped labellum. Its relatively small size makes it hard to find in its surroundings.

<i>Caladenia gardneri</i> Species of orchid

Caladenia gardneri, commonly known as the cherry spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and up to three pale pink, sweetly scented flowers with a dark pinkish-red labellum.

Caladenia graniticola, commonly known as the Pingaring spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two yellowish-green, red and white flowers which have a greenish-yellow and white labellum with a red tip. It was originally described as Caladenia hoffmanii subsp. graniticola but has a slightly different labellum and column.

<i>Caladenia granitora</i> Species of orchid

Caladenia granitora, commonly known as the granite spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two yellowish-cream, white and red flowers which have a white labellum with a red tip.

<i>Caladenia heberleana</i> Species of orchid

Caladenia heberleana, commonly known as Heberle's spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and up to three red, white and pale yellow flowers which have a white, red-tipped labellum.

Caladenia hoffmanii, commonly known as Hoffman's spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two, greenish-yellow, red and white flowers which have a greenish-yellow labellum with a red tip. It is distinguished from the Pingaring spider orchid by small differences in the labellum and more northerly distribution.

<i>Caladenia horistes</i> Species of orchid

Caladenia horistes, commonly known as the cream spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two, creamy-yellow flowers which have a red-striped labellum and long, dark, thread-like tips on the sepals and petals.

Caladenia incrassata, commonly known as the puppet clown orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and usually only one greenish-yellow and red flower which has a red-striped labellum.

<i>Caladenia infundibularis</i> Species of orchid

Caladenia infundibularis, commonly known as the funnel-web spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single hairy leaf and up to three greenish-yellow flowers which have a red-tipped labellum.

<i>Caladenia longiclavata</i> Species of orchid

Caladenia longiclavata, commonly known as the clubbed spider orchid is a species of plant in the orchid family, Orchidaceae and is endemic to the south-west of Western Australia. It is a widespread and common orchid with a single, hairy leaf and one or two greenish-yellow, white and red flowers and which grows in the area between Perth and Albany.

<i>Caladenia microchila</i> Species of orchid

Caladenia microchila, commonly known as the western wispy spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is relatively common orchid with a single erect, hairy leaf and up to three wispy white flowers with narrow lateral sepals and petals and a white labellum with red markings.

Caladenia nobilis, commonly known as the noble spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single hairy leaf and one or two large white flowers with a red-marked labellum.

<i>Caladenia pendens <span style="font-style:normal;">subsp.</span> talbotii</i> Subspecies of orchid

Caladenia pendens subsp. talbotii, commonly known as Talbot's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and one or two white, red and yellow flowers with long drooping petals and sepals and sometimes has a citrus-like scent.

<i>Caladenia rhomboidiformis</i> Species of orchid

Caladenia rhomboidiformis, commonly known as the diamond spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and one or two green, yellow and red flowers. Until 1971 It was known as a variety of the green comb spider orchid Caladenia dilatata then, until 1989 as a variety of the clubbed spider orchid, Caladenia longiclavata.

Caladenia petrensis, commonly known as the rock spider orchid is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three pale yellow flowers with drooping lateral sepals and petals.

<i>Caladenia serotina</i> Species of orchid

Caladenia serotina, commonly known as the Christmas spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three white to cream-coloured and red flowers, although the relative amount of each is variable. It is one of the later-flowering spider orchids and occurs in the far south-west corner of the state.

<i>Caladenia thinicola</i> Species of orchid

Caladenia thinicola, commonly known as the Scott River spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to four yellowish-green and red flowers with a fringe of long teeth on the sides of the labellum and thick brown, club-like glandular tips on the sepals.

<i>Caladenia xantha</i> Species of orchid

Caladenia xantha, commonly known as the primrose spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three yellow flowers with a cream-coloured, brown-striped labellum.

References

  1. 1 2 3 "Caladenia georgei". APNI. Retrieved 7 February 2017.
  2. 1 2 Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. pp. 80–81. ISBN   1877069124.
  3. 1 2 3 Brown, Andrew; Dundas, Pat; Dixon, Kingsley; Hopper, Stephen (2008). Orchids of Western Australia. Crawley, Western Australia: University of Western Australia Press. p. 102. ISBN   9780980296457.
  4. 1 2 Hoffman, Noel; Brown, Andrew (2011). Orchids of South-West Australia (3rd ed.). Gooseberry Hill: Noel Hoffman. p. 131. ISBN   9780646562322.
  5. 1 2 "Caladenia georgei". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.