Caladenia saxatilis (D.L.Jones) R.J.Bates

Rancid spider orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Caladenia

Characteristics

Leaf 100–150 × 5–14 mm. Flower stem 200–350 mm tall, 1-or 2-flowered. Flowers 45–55 mm across, smell like rancid milk, uniformly pale creamy green to pale yellowish green, sometimes marked with red; sepals with thick, dark red clubs 7–12 mm long, petals lacking clubs or sometimes with small clubs. Dorsal sepal erect, 35–40 × 2.5–3 mm. Lateral sepals stiffly decurved, 35–40 × 3.5–5 mm, widely divergent. Petals stiffly spreading, 25–35 × 2–3 mm. Labellum 14–16 × 8–11 mm, cream to pale yellow with a red apex; margins with 7–10 pairs of short, purplish teeth to 1 mm long; tip recurved. Basal calli 6–8, c. 1 mm long, Lamina calli to 1.5 mm long, dark red, in 4 or 6 rows onto base of midlobe. Column 10–13 × 6–7, translucent with red marks; basal glands c. 1.2 mm long, obovoid, yellow.
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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; found on sheltered slopes, growing among rocks and scree in tall eucalypt and sheoak forest with a sparse understorey in freely draining, shallow, stony loam.
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Cultivation

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Distribution

Caladenia saxatilis world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:77092734-1
WFO ID wfo-0000835259
COL ID PBXL
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INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Arachnorchis saxatilis Caladenia saxatilis