Caladenia orestes (D.L.Jones) G.N.Backh.

Burrinjuck spider orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Caladenia

Characteristics

Leaf linear-lanceolate, 60–110 × 6–10 mm, densely hairy. Flower stem 200–350 mm tall, densely hairy, 1-or 2-flowered. Flowers 50–70 mm across, with smell like hot metal, cream to pink or light red; labellum dark red with a pale base; calli dark red; column pink to red; sepals and petals with long, relatively thick, red to blackish, glandular tips (no clubs). Dorsal sepal incurved, 40–50 × 2.5–3.5 mm. Lateral sepals obliquely deflexed to drooping, 40–60 × 3–4 mm, divergent. Petals similarly arranged, 35–45 × 2–3 mm. Labellum obscurely 3-lobed, 14–17 × 8–11 mm; margins with numerous dark purple teeth to 1.2 mm long; tip recurved. Basal calli 8–10, erect, crowded, to 1 mm long. Lamina calli to 1.5 mm long, in 4 or 6 crowded rows onto base of midlobe. Column 12–14 × 4–6 mm; basal glands c. 1 mm long, ovoid, yellow with red base.
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Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 0.2 - 0.35
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Environment

Highly localised and rare; growing on moderate to steep slopes in hilly country, among shrubs and tussocks in open forest. The soil on lower slopes is freely draining loam, whereas on upper slopes and ridges it is thin and skeletal with decomposing shale.
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Cultivation

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Images

Caladenia orestes unspecified picture

Distribution

Caladenia orestes world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:77105196-1
WFO ID wfo-0000917016
COL ID PBVZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Caladenia orestes Arachnorchis orestes