Caladenia decora Hopper & A.P.Br.

Esperance king spider orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Caladenia

Characteristics

Leaf 90–220 × 6–10 mm. Flower stem 250–500 mm tall, 1–3-flowered. Flowers 50–100 mm across, predominantly red to maroon with yellowish suffusions; sepals and petals with relatively thick, yellowish brown clubs 10–25 mm long (sometimes absent on petals). Dorsal sepal erect, 45–70 × 3–6 mm. Lateral sepals spreading to stiffly downcurved, 50–80 × 3.5–8 mm, divergent. Petals slightly upswept or stiffly downcurved, 40–60 × 3.5–5 mm. Labellum 20–28 × 13–20 mm, maroon, base paler; margins with numerous maroon teeth (sometimes forked) to 9 mm long; tip recurved. Calli to 2 mm long, maroon, in 4 or 6 rows nearly to labellum apex. Column 12–18 × 9–12 mm, creamy yellow with red markings; basal glands c. 2.3 mm long, ovoid, yellow.
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Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 0.25 - 0.5
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Environment

Locally common; growing in seepage areas, winter-wet flats and swamps in dense, low, heathy scrub in sandy clay soils; also on granite outcrops.
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Cultivation

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Images

Caladenia decora unspecified picture

Distribution

Caladenia decora world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:20002673-1
WFO ID wfo-0000342618
COL ID PBRX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Caladenia decora Calonemorchis decora Arachnorchis decora