Caladenia busselliana Hopper & A.P.Br.

Bussell's spider orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Caladenia

Characteristics

Leaf 100–200 × 5–10 mm. Flower stem 200–300 mm tall, 1–3-flowered. Flowers 50–80 mm across, cream to pale yellow with occasional reddish markings; sepals with thin, light brown clubs 10–20 mm long; petals lacking clubs. Dorsal sepal erect, 30–45 × 3–4 mm. Lateral sepals spreading then downcurved, 50–55 × 4–5 mm, divergent. Petals horizontal or decurved, 30–45 × 3–4 mm. Labellum 15–20 × 10–12 mm, wholly white or with pink markings; margins with 7–9 spreading teeth to 6 mm long; tip recurved. Calli to 1.5 mm long, white, pink or pale red, in 4 rows. Column 15–18 × 6–8 mm, broadly winged, creamy yellow with pink markings.
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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 - 0.3
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Environment

Highly localised; consisting of less than 50 plants in a few populations. Found growing in winter-wet swamps and depressions in dense shrubby jarrah/marri forest in acidic or limey, sandy soils.
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Cultivation

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Images

Caladenia busselliana unspecified picture

Distribution

Caladenia busselliana world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:20002669-1
WFO ID wfo-0000342607
COL ID PBQL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Arachnorchis busselliana Caladenia busselliana Calonemorchis busselliana