Caladenia denticulata subsp. denticulata

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Yellow spider orchid
Caladenia denticulata subsp. denticulata 01.jpg
C. denticulata subsp. denticulata growing near Badgingarra
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Diurideae
Genus: Caladenia
Species:
Subspecies:
C. d. subsp. denticulata
Trinomial name
Caladenia denticulata subsp. denticulata

Caladenia denticulata subsp. denticulata, commonly known as the yellow 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 one or two yellowish flowers which have a white labellum with pale red markings.

Orchidaceae family of plants

The Orchidaceae are a diverse and widespread family of flowering plants, with blooms that are often colourful and fragrant, commonly known as the orchid family.

Endemism Ecological state of being unique to a defined geographic location or habitat

Endemism is the ecological state of a species being unique to a defined geographic location, such as an island, nation, country or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. The extreme opposite of endemism is cosmopolitan distribution. An alternative term for a species that is endemic is precinctive, which applies to species that are restricted to a defined geographical area.

Western Australia State in Australia

Western Australia is a state occupying the entire western third of Australia. It is bounded by the Indian Ocean to the north and west, and the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a total land area of 2,529,875 square kilometres, and the second-largest country subdivision in the world, surpassed only by Russia's Sakha Republic. The state has about 2.6 million inhabitants – around 11 percent of the national total – of whom the vast majority live in the south-west corner, 79 per cent of the population living in the Perth area, leaving the remainder of the state sparsely populated.

Contents

Caladenia denticulata subsp. denticulata habit Caladenia denticulata subsp. denticulata 04.jpg
Caladenia denticulata subsp. denticulata habit
C. denticulata subsp. denticulata with wasp Caladenia denticulata subsp. denticulata 03.jpg
C. denticulata subsp. denticulata with wasp

Description

Caladenia denticulata subsp. denticulata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf 6–18 cm (2–7 in) long and 2–4 mm (0.08–0.2 in) wide. One or two flowers are borne on a stem 15–35 cm (6–10 in) high and each flower is 7–10 cm (3–4 in) long and 5–9 cm (2–4 in) wide. The dorsal sepal is erect, 4–7 cm (2–3 in) long and 1.5–3 mm (0.06–0.1 in) wide at the base, linear to lance-shaped, pale to greenish-yellow and has a drooping, dark brown, thread-like glandular tip. The arching lateral sepals and petals are similar in size, shape and colour to the dorsal sepal although the petals are slightly narrower and shorter. The labellum is white with pale red markings, and curves forward with white to pale red teeth along its margins, the teeth decreasing in size towards the tip. There are up to 13 pairs of anvil-shaped, cream-coloured calli in two rows along about half the length of the labellum and decreasing in size towards the tip. Flowering occurs between August and early October. [2] [3] [4]

Terrestrial plant

A terrestrial plant is a plant that grows on, in, or from land. Other types of plants are aquatic, epiphytic and lithophytic.

Perennial plant Plant that lives for more than two years

A perennial plant or simply perennial is a plant that lives more than two years. Some sources cite perennial plants being plants that live more than three years. The term is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also widely used to distinguish plants with little or no woody growth from trees and shrubs, which are also technically perennials.

Deciduous Trees or shrubs that lose their leaves seasonally

In the fields of horticulture and botany, the term deciduous (/dɪˈsɪdʒuəs/) means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit.

Taxonomy and naming

Caladenia denticulata was first formally described by John Lindley in 1840 and the description was published in A Sketch of the Vegetation of the Swan River Colony . [5] In 2015, Andrew Brown and Garry Brockman described three subspecies, including subspecies denticulata and the descriptions were published in Nuytsia . [1] The specific epithet (denticulata) is a Latin word meaning "with small teeth", [6] referring to the small teeth on the labellum. [2]

John Lindley English botanist, gardener and orchidologist (1799–1865)

John Lindley FRS was an English botanist, gardener and orchidologist.

A Sketch of the Vegetation of the Swan River Colony book by John Lindley

"A Sketch of the Vegetation of the Swan River Colony", also known by its standard botanical abbreviation Sketch Veg. Swan R., is an 1839 article by John Lindley on the flora of the Swan River Colony. Nearly 300 new species were published in it, many of which are still current.

Andrew Phillip Brown is a conservation biologist and taxonomist at the Western Australian Department of Environment and Conservation. He is also curator of Orchidaceae and Myoporaceae at the Western Australian Herbarium and a foundation member of the Australian Orchid Foundation and the Western Australia Native Orchid Study and Conservation Group. He is the author of more than 100 journal articles and seven books on the flora of Western Australia including a field guide to the eremophilas of that state.

Distribution and habitat

Yellow spider orchid occurs in the south-west corner of Western Australia between Waroona and Eneabba in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, and Swan Coastal Plain biogeographic regions where it grows in wandoo and York gum woodland. [2] [3] [7]

Waroona, Western Australia Town in Western Australia

Waroona is a town located in the Peel region of Western Australia along the South Western Highway, between Pinjarra and Harvey. The town is the seat of the Shire of Waroona. At the 2016 census, Waroona had a population of 2,934.

Eneabba, Western Australia Town in Western Australia

Eneabba is a town on the Brand Highway 278 kilometres (173 mi) north of Perth, Western Australia.

Avon Wheatbelt Bioregion

The Avon Wheatbelt is an Australian bioregion in Western Australia and part of the larger Southwest Australia savanna ecoregion.

Conservation

Caladenia denticulata subsp. denticulata is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [7]

Department of Parks and Wildlife (Western Australia) department of the Government of Western Australia

The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the Conservation and Land Management Act 1984 and implementing the state's conservation and environment legislation and regulations. The minister responsible for the department was the Minister for the Environment.

Related Research Articles

<i>Caladenia longicauda <span style="font-style:normal;">subsp.</span> borealis</i> subspecies of plant

Caladenia longicauda subspecies borealis, commonly known as daddy-long-legs 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 up to three mostly white flowers with long, drooping sepals and petals.

<i>Caladenia attingens</i> species of plant

Caladenia attingens, commonly known as mantis orchids, are plants in the orchid family Orchidaceae and are endemic to the south-west of Western Australia. There are three subspecies, each of which has a single hairy leaf and one or two brightly coloured flowers with upswept sepals and a labellum with long, comb-like fringes. The subspecies differ in size, distribution and habitat.

Caladenia bicalliata subsp. cleistogama, commonly known as the shy limestone spider orchid or sandhill spider orchid, is a plant in the orchid family Orchidaceae and is native to the south-west of Western Australia. It has a single erect, hairy leaf and one or two cream-coloured flowers which are smaller than those in subspecies bacalliata.

<i>Caladenia busselliana</i> species of plant

Caladenia busselliana, commonly known as Bussell's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to a small area in the south-west of Western Australia. It is a rare orchid with an erect, hairy leaf and up to three pale yellow flowers. Only about fifty specimens are known and it is threatened by habitat destruction and by too-frequent or too infrequent bushfires.

<i>Caladenia caesarea <span style="font-style:normal;">subsp.</span> caesarea</i> subspecies of plant

Caladenia caesarea subsp. caesarea, commonly known as the mustard spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single spreading, hairy leaf and up to three mustard-coloured flowers with red stripes. It was originally described as a subspecies of Caladenia filamentosa but the rich colour of its flowers and prominent labellum separate it from that species.

<i>Caladenia caesarea <span style="font-style:normal;">subsp.</span> maritima</i> subspecies of plant

Caladenia caesarea subsp. maritima, commonly known as the cape spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single spreading, hairy leaf and up to three small mustard-coloured flowers with red stripes. It is only known from a small coastal area near Cape Leeuwin where it grows in clumps of ten or more.

Caladenia caesarea subsp. transiens, commonly known as the dwarf mustard spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single spreading, hairy leaf and up to three small lemon-yellow flowers with red stripes. It is only known from a single small population near the town of Williams.

Caladenia citrina, commonly known as the Margaret River 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 lemon-yellow flowers. It has a narrow distribution in the far south-west corner of Western Australia.

Caladenia denticulata subsp. albicans, commonly known as the alabaster 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 one or two pale creamy-white flowers which have a white labellum with red markings. The only known population occurs in a small area near Arrowsmith.

Caladenia denticulata subsp. rubella, commonly known as the clumped 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 one or two dull or pinkish red flowers with prominent dull red markings and with a white labellum with red markings.

Caladenia erythronema, commonly known as the red thread spider orchid, and Nyabing 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 up to three red, yellow or cream-coloured flowers with dangling, thread-like sepals and petals and a small labellum.

Caladenia exilis subsp. vanleeuwenii, commonly known as the Moora spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a relatively rare spider orchid with a single erect, hairy leaf and up to three variably-coloured flowers with a small white, red-striped labellum. It differes from subspecies exilis in having variably coloured flowers, different growth habit, earlier flowering and different habitat.

<i>Caladenia longicauda <span style="font-style:normal;">subsp.</span> longicauda</i> subspecies of plant

Caladenia longicauda subsp. longicauda, commonly known as the white 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 up to four, mostly white flowers with long drooping, thread-like ends on the sepals and petals. It grows in woodland and forest.

<i>Caladenia attingens <span style="font-style:normal;">subsp.</span> attingens</i> subspecies of plant

Caladenia attingens subsp. attingens, commonly known as the forest mantis orchid or sneezing spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid with a single erect, hairy leaf and one or two green, yellow and red flowers. It is similar to the fringed mantis orchid but has smaller flowers and has a more southerly distribution.

<i>Caladenia attingens <span style="font-style:normal;">subsp.</span> gracillima</i> subspecies of plant

Caladenia attingens subsp. gracillima, commonly known as the small mantis orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid with a single erect, hairy leaf and one or two green, yellow and red flowers. It differs from subspecies attingens in having smaller flowers and a more easterly distribution.

Caladenia attingens subsp. effusa, commonly known as granite mantis orchid, is a subspecies 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. It differs from the other subspecies of Caladenia attingens in having smaller flowers with lateral sepals which are not upswept and a labellum which is less than 15 mm (0.6 in) wide.

<i>Caladenia longicauda <span style="font-style:normal;">subsp.</span> merrittii</i> subspecies of plant

Caladenia longicauda subsp. merrittii, commonly known as Merritt's white 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 up to three large, mainly white flowers with very long, drooping lateral sepals and petals, and a white broad labellum with relatively short labellum teeth. It is one of the largest spider orchids.

Caladenia longicauda subsp. insularis, commonly known as the island white 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 up to four yellowish-white flowers with long, mostly spreading lateral sepals and petals. It is a relatively rare, self-pollinating subspecies and often flowers which are in bud, open and finished are seen on a single plant.

<i>Caladenia straminichila</i> species of plant

Caladenia straminichila, commonly known as the Tenterden yellow 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 pale yellow flowers which have a red-striped labellum with short teeth on its sides.

<i>Caladenia swartsiorum</i> species of plant

Caladenia swartsiorum, commonly known as the Island Point 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 pale greenish-yellow and white flowers and is only known from a small area near the Harvey Estuary.

References

  1. 1 2 "Caladenia denticulata subsp. denticulata". APNI. Retrieved 14 January 2017.Cite web requires |website= (help)
  2. 1 2 3 Brown, Andrew; Dixon, Kingsley; French, Christopher; Brockman, Garry (2013). Field guide to the orchids of Western Australia : the definitive guide to the native orchids of Western Australia. Simon Nevill Publications. p. 55. ISBN   9780980348149.
  3. 1 2 Hoffman, Noel; Brown, Andrew (2011). Orchids of South-West Australia (3rd ed.). Gooseberry Hill: Noel Hoffman. p. 71. ISBN   9780646562322.
  4. Brown, Andrew P.; Brockman, Garry (2015). "New taxa of Caladenia (Orchidaceae) from south-west Western Australia". Nuytsia. 25: 69–72.
  5. "Caladenia denticulata". APNI. Retrieved 14 January 2017.Cite web requires |website= (help)
  6. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 807.
  7. 1 2 "Caladenia caesarea subsp. caesarea". FloraBase . Western Australian Government Department of Parks and Wildlife.