Thelymitra alcockiae

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Kath's sun orchid
Thelymitra alcockiae.jpg
Thelymitra alcockiae growing in western Victoria
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Diurideae
Genus: Thelymitra
Species:
T. alcockiae
Binomial name
Thelymitra alcockiae

Thelymitra alcockiae, commonly called Kath's sun orchid, [2] is a species of orchid that is endemic to southern continental Australia. It has a single long, narrow leaf and up to twelve pale blue to deep purplish blue flowers, mauve or reddish on their back side.

Contents

Description

Thelymitra alcockiae is a tuberous, perennial herb with a single fleshy, channelled, linear to lance-shaped leaf 80–300 mm (3–10 in) long, 5–10 mm (0.2–0.4 in) wide. Between two and twelve pale blue to deep purplish blue, rarely white flowers 15–30 mm (0.6–1 in) wide are arranged on a flowering stem 100–600 mm (4–20 in) tall. The sepals and petals are 10–16 mm (0.4–0.6 in) long, 4–8 mm (0.2–0.3 in) wide and mauve or reddish on the reverse side. The column is pale blue or pinkish, 4–6.5 mm (0.16–0.26 in) long and about 2 mm (0.08 in) wide. The lobe on the top of the anther is brown with a yellow tip, tubular and sharply curved with an inflated tip. The side lobes have dense, mop-like tufts of white hairs. Flowering occurs from August to October. [2] [3] [4]

Taxonomy and naming

Thelymitra alcockiae was first formally described in 2013 by Jeff Jeanes after an unpublished description by David Jones. The formal description was published in Muelleria from a specimen collected near Naracoorte. [5] The specific epithet (alcockiae) honours "Kath Alcock (1925-), botanical artist and field naturalist". [3]

Distribution and habitat

Kath's sun orchid usually grows in drier habitats including shrubland, open forest and woodland. It is locally common in the north-west of Victoria and in South Australia. [2] [3]

Related Research Articles

<i>Thelymitra malvina</i> Species of orchid

Thelymitra malvina, commonly called the mauve-tufted sun orchid, is a species of orchid that is native to eastern Australia and New Zealand. It has a single large, fleshy leaf and up to twenty five blue to mauve flowers with pink or mauve tufts on top of the anther.

<i>Thelymitra megacalyptra</i> Species of orchid

Thelymitra megacalyptra, commonly called the plains sun orchid, is a species of orchid that is endemic to eastern Australia. It has a single erect, fleshy leaf and up to fifteen blue to purplish, sometimes lilac, pink or white flowers with white tufts on top of the anther. It is known as Thelymitra megcalyptra by some authorities.

Thelymitra queenslandica, commonly called the northern sun orchid, is a species of orchid that is endemic to Queensland. It has a single long, grass-like leaf and up to fifteen dark blue to purplish, sometimes white or pinkish flowers with white or pink tufts on top of the anther. It is readily distinguished by its northerly distribution and early flowering period.

Thelymitra albiflora, commonly called the white sun orchid, is a species of orchid that is endemic to South Australia. It has a single erect, narrow, fleshy leaf and up to ten relatively small white flowers with white toothbrush-like tufts on top of the anther.

Thelymitra basaltica, commonly called the grassland sun orchid, is a species of orchid that is endemic to Victoria. It has a single fleshy, channelled, dark green leaf and up to eight small pale blue, self-pollinating flowers which open only slowly on warm to hot days.

Thelymitra batesii, commonly called the plump sun orchid, is a species of orchid that is endemic to South Australia. It has a single fleshy, channelled, dark green leaf and up to eight mauve to bluish purple flowers that are pinkish with darker stripes on the back. The unopened flower buds are distinctly plump.

Thelymitra bracteata, commonly called the leafy sun orchid or large-bracted sum orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single leathery, more or less flat leaf and up to thirty pale blue flowers that are greenish on the back. The bracts are larger than on similar sun orchids.

<i>Thelymitra brevifolia</i> Species of orchid

Thelymitra brevifolia, commonly called the peppertop sun orchid or short-leaf sun orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single erect, relatively short and broad, dark green leaf and up to twenty purplish or purplish blue flowers. It is a common and widespread self-pollinating species occurring in a wide range of habitats.

Thelymitra exigua, commonly called the short sun orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single fleshy, channelled, dark green leaf and up to eight relatively small pale blue flowers with white toothbrush-like tufts on top of the anther.

Thelymitra cyanapicata, commonly called the dark-tipped sun orchid, is a species of orchid that is endemic to South Australia. It has a single fleshy, linear, channelled leaf and up to three small blue or pale purplish to maroon flowers with a dark purplish blue top of the anther.

<i>Thelymitra holmesii</i> Species of orchid

Thelymitra holmesii, commonly called the blue star sun orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single long, narrow, fleshy leaf and up to nine purplish blue to mauve flowers with a deeply notched lobe on top of the anther.

Thelymitra pallidiflora, commonly called the pale sun orchid, is a species of orchid that is endemic to Victoria. It has a single erect, channelled, leaf and up to ten white to very pale blue, self-pollinating flowers which only open on hot days.

Thelymitra planicola, commonly called the glaucous sun orchid, is a species of orchid that is endemic to southern eastern Australia. It has a single erect, leathery, channelled, dark green leaf and up to twelve blue flowers with darker veins. The plant has a bluish green hue and the flowers are self-pollinating, only opening widely on hot days.

Thelymitra vulgaris, commonly called the slender sun orchid or common sun orchid, is a species of orchid in the family Orchidaceae and endemic to the south-west of Western Australia. It has a single erect, dark green leaf and up to nine relatively small, blue to purplish or white flowers.

Thelymitra inflata, commonly called the inflated sun orchid, is a species of orchid that is endemic to south eastern Australia. It has a single long, erect, linear leaf and up to six dark blue to purplish flowers with a very inflated lobe on top of the anther.

Thelymitra latiloba, commonly called the wandoo sun orchid or wandoo shirt orchid, is a species of orchid in the family Orchidaceae and endemic to the south-west of Western Australia. It has a single erect, fleshy, channelled, dark green leaf and up to twelve blue flowers with darker blue veins and sometimes flushed with mauve. The lobe on top of the anther is wavy.

<i>Thelymitra alpina</i> Species of orchid

Thelymitra alpina, commonly known as the mountain sun orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single dark green leaf with a purplish base and up to twenty, usually blue to purplish flowers. It grows in alpine, subalpine and montane areas of New South Wales, the Australian Capital Territory and Victoria.

Thelymitra atronitida, commonly called the black-hooded orchid, is a species of orchid that is endemic to south-eastern Australia. It has a single erect, leathery, leaf and up to eight moderately dark blue, self-pollinating flowers that only open on hot days.

<i>Thelymitra glaucophylla</i> Species of orchid

Thelymitra glaucophylla is a species of orchid that is endemic to South Australia. It has a single erect, channelled, pale green leaf and up to fifteen pale blue, mauve or white flowers with an inflated, greyish lobe on top of the anther.

<i>Thelymitra petrophila</i> Species of orchid

Thelymitra petrophila, commonly known as the granite sun orchid, is a species of orchid that is endemic to Western Australia. It has a single erect, channelled, long light green leaf and up to ten or more pale blue to mauve or pink flowers. It grows in drier area, usually in shallow soil pockets on granite outcrops.

References

  1. "Thelymitra alcockiae". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. 1 2 3 Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. p. 229. ISBN   1877069124.
  3. 1 2 3 Jeanes, Jeffrey A. (2013). "An overview of the Thelymitra nuda (Orchidaceae) complex in Australia including the description of six new species" (PDF). Muelleria. 31: 15–16. Retrieved 11 May 2018.CS1 maint: discouraged parameter (link)
  4. Jeanes, Jeff; Stajsic, Val. "Thelymitra alcockiae". Royal Botanic Gardens Victoria. Retrieved 11 May 2018.CS1 maint: discouraged parameter (link)
  5. "Thelymitra alcockiae". APNI. Retrieved 11 May 2018.CS1 maint: discouraged parameter (link)