Caladenia williamsiae Hopper & A.P.Br.

Judy's spider orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Caladenia

Characteristics

Leaf broadly linear, 70–90 × 15–18 mm, purple-red beneath. Flower stem 150–200 mm tall, 1–3-flowered. Flowers small, c. 30 mm across, yellowish green with red lines, dots and suffusions; sepals abruptly narrowed before expanding to a red club 3–4 mm long; petals lacking clubs. Dorsal sepal erect and incurved, 15–20 × 1–1.5 mm. Lateral sepals spreading with decurved tips, 15–20 × 2–2.5 mm. Petals nearly horizontal with tips decurved, 15–20 × 1.5–2 mm. Labellum 6–8 × 3–4 mm, cream to yellowish green with red radiating stripes and a maroon apex; margins with cream to red teeth to 3 mm long; tip recurved. Calli to 1 mm long, maroon, in 4 rows with a wide central gap. Column 7–8 × 2–3 mm, translucent with red markings; basal glands c. 2 mm long, ovoid, yellow.
Life form -
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Highly localised and rare, known only from two localities and about four small populations, one in a nature reserve; growing in mixed wandoo/jarrah woodland in freely draining, gravelly soil on the tops of lateritic ridges. At Kukerin it grows in mallee woodland.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Caladenia williamsiae unspecified picture

Distribution

Caladenia williamsiae world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:20002774-1
WFO ID wfo-0000342725
COL ID PBZ5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Caladenia williamsiae Calonemorchis williamsiae Arachnorchis williamsiae