Caladenia cleistantha D.L.Jones

New Taxa Austral. Orchid. (Aust. Orchid Res. 2) 19 (1991) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Flowering plant slender, 5–12 cm tall. Leaf linear, 6–10 cm long, about half as long as flowering stem, 1–2 mm wide. Flowers 1 or 2, externally reddish, not opening (cleistogamous); ovary 3–4 mm long; perianth segments 6–7 mm long, 2–3 mm wide, glandular outside, with rounded acute tips; dorsal sepal linear-elliptic; lateral sepals asymmetrically ovate-lanceolate; petals obliquely lanceolate. Labellum sessile, 3-lobed, 4–6 mm long, 5–6.5 mm wide (when flattened), white, with a few dark red, narrow, transverse bars; lateral lobes prominent, broad, margins slightly wavy; mid-lobe c. 2.5 mm long, recurved in distal half, triangular, margin without calli but slightly irregular, tip of labellum yellow; lamina calli in 2 rows up to base of mid-lobe, stalked and clubbed, yellow. Column incurved, narrowly winged, greenish, barred dark-red; anther with prominent short point. Flowers Aug.–Sep.

EGL, GipP. Also SA, NSW. Scattered across southern Victoria, east of Melbourne, among low shrubs in heathland and open-forest, often in moss over rocks or in soils with laterite nodules.

Caladenia cleistantha differs from C. carnea in having smaller flowers in which the perianth never opens.

Source: Entwisle, T.J. (1994). Orchidaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-02-15
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Caladenia
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Caladenia cleistantha in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Caladenia cleistantha in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Gippsland Plain present native
East Gippsland Lowlands present native

State distribution

Distribution map
State
South Australia
Victoria