Caladenia amoena D.L.Jones

Muelleria 8: 177 (1994) APNI

Taxonomic status:Accepted

Occurrence status:Endemic

Establishment means:Native

Threat status:EPBC: endangered (EN); Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988

Flowering plant 5–12 cm tall. Leaf 3–8 cm long, 7–9 mm wide, sometimes dotted purplish at the base. Flower usually 1, rarely 2; perianth segments 1.5–2.5 cm long, yellowish-green with red stripes; dorsal sepal linear to linear-lanceolate, 2–2.5 cm long, 2.5–3 mm wide, narrowed to a linear-involute section just before the osmophore; osmophore1.5–2.5 mm long with uncrowded sessile dark brown cells; lateral sepals oblong-lanceolate, 1.7–2.3 cm long, slightly falcate, more or less parallel or crossed, involute section terminated by an osmophore similar to that on the dorsal sepal; petals linear-lanceolate, 1.5–1.8 cm long, acuminate. Labellum curved forward, flattish to concave in middle region, cordate, 3-lobed, 9–12 mm long and 8–11 mm wide (when flattened), yellowish green with a recurved reddish mid-lobe; margins entire in basal portion, lateral lobes toothed towards mid-lobe, mid-lobe with 6–8 pairs of broad teeth; lamina calli in 4 irregular rows ending at the mid-lobe, foot-shaped, fleshy, reddish, c. 3 mm long at base of lamina, diminishing in size toward apex. Flowers Aug.–Oct.

Gold, HSF, VVP. Endemic to south-central Victoria where known from a few sites on ridges and sheltered slopes in open forests on shallow clay loams.

Caladenia amoena  differs from C. toxochila in having lighter-coloured flowers, sepals with less prominent glandular tips, and labellum lamina calli thinner, dark reddish rather than blackish and only moderately congested.

Known only by a few small remnant populations on the outskirts of Melbourne and critically endangered.

Created by: Jeff Jeanes, 2015-04-17
Updated by: Jeff Jeanes, 2015-04-17
Hero image
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 amoena in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Caladenia amoena in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present native
Goldfields present native
Highlands-Southern Fall present native

State distribution

Distribution map
State
New South Wales
Victoria