Calochilus pruinosus D.L.Jones

Mallee beard orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Calochilus

Characteristics

Whole plant greenish, pinkish or brownish, densely pruinose. Leaf absent, replaced by sheathing bract, 60–100 × 12–18 mm, fleshy. Flower stem 150–500 mm tall, 1–15-flowered. Buds pinkish, pruinose. Flowers lasting 2–3 days, often not opening widely and remaining cupped, 14–19 × 10–13 mm; sepals and petals pinkish, greenish or brownish with red lines; labellum with reddish purple to brownish purple papillae. Dorsal sepal porrect, 5–7 × 4–5.5 mm, concave, incurved over column. Lateral sepals porrect to incurved, 8–10 × 3.5–4.5 mm. Petals porrect to incurved, 5–7 × 4–5.5 mm. Labellum curved in profile, 10–14 × 5.5–6.5 mm, ovate-lanceolate in outline, margins often incurved; basal part with 2–6 long, metallic, dark purple, shiny plates; central part with sparse, bristly, reddish papillae to 4 mm long; apical part with glandular tail c. 2.5 × 1.5 mm; labellum margins with narrow, yellowish or pinkish, triangular lobes 1–3 mm long; papillae at apex densely glandular (appearing woolly). Column 5–6 × 3.5 mm, base with 2 purple sham eyes connected by obscure, reddish ridge.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Widely distributed, but highly localised and rarely seen; found growing along drainage lines in mallee vegetation and tall shrubland (often under broombush), on old, consolidated, white sand dunes, often among litter in deep, freely draining to moisture-retentive sand.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

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 -

Distribution

Calochilus pruinosus world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:77079856-1
WFO ID wfo-0000808072
COL ID PX8D
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Calochilus pruinosus