Caladenia alpina
Mountain caladenia | |
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C. alpina in Mount Buffalo National Park | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Order: | Asparagales |
Family: | Orchidaceae |
Subfamily: | Orchidoideae |
Tribe: | Diurideae |
Genus: | Caladenia |
Species: | C. alpina
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Binomial name | |
Caladenia alpina | |
Synonyms[1] | |
Caladenia alpina, commonly known as the mountain caladenia,
Description
Caladenia alpina is a terrestrial,
One to three flowers, usually two, are borne on a spike up to 30 cm (10 in) high and are about 40 mm (2 in) in diameter. The dorsal sepal is a broad egg shape 4–8 mm (0.2–0.3 in) wide and curves forward to form a hood over the column. The petals and lateral sepals are broad, 12–20 mm (0.5–0.8 in) long and are white and glabrous on the front and pinkish red to maroon with glandular hairs on the back. The labellum is about 9 mm (0.4 in) long when flattened, white with dark red to purple spots and lines with a wavy margin, a few short teeth and a pointed tip. There are four well-spaced rows of calli on the surface of the labellum. The calli are club-shaped, yellow or whitish becoming darker and shorter towards the tip of the labellum. The column is about 7 mm (0.3 in) long with broad wings and has red spots or streaks.[2][3][4]
Taxonomy and naming
Caladenia alpina was first formally described by
In New Zealand the species is known as Caladenia lyallii although "some orchidologists" suggest that both C. lyallii and C. alpina occur in that country. The epithet (lyallii) honours the Scottish botanist
Distribution and habitat
Alpine caladenia usually grows in subalpine zones above 1,000 m (3,000 ft) in forest, Snow Gum woodland and herbfields or near ponds and bogs. In New South Wales it occurs on the Southern Tablelands south of the Brindabella Range and in Victoria on the Great Dividing Range and Grampians. In New Zealand, Caladenia lyallii occurs on both the North and South Islands as well as on Stewart Island.[2][3][4]
References
- ^ a b c "Caladenia alpina". APNI. Retrieved 25 September 2016.
- ^ a b c d "Caladenia alpina". Royal Botanic Garden, Sydney: plantNET. Retrieved 27 September 2016.
- ^ a b c "Caladenia alpina". Royal Botanic Gardens Victoria: Vicflora. Retrieved 27 September 2016.
- ^ a b c d "Caladenia lyallii". New Zealand Plant Conservation Network. Retrieved 26 September 2016.
- ^ Rogers, Richard Sanders (1927). "Contributions to the Orchidology of Australia". Transactions and Proceedings of the Royal Society of South Australia. 51: 12. Retrieved 27 September 2016.
- ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 82.
- ^ "Caladenia alpina". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
- ^ "Caladenia lyallii". APNI. Retrieved 27 June 2018.
- ^ Hooker, Joseph Dalton (1853). The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror. II. Flora Novae-Zelandiae. London: Lovell Reeve and Co. p. 247. Retrieved 27 June 2018.