Disa cernua Sw.

Species

Angiosperms > Asparagales > Orchidaceae > Disa

Characteristics

Plants robust, 200-600 mm tall; leaves basal, (100-) 140-200 x 15-20 mm. Inflorescences 100-250 x 30-40 mm, flowers subimbricate; bracts as tall as the flowers, subacuminate. Flowers with cream-green sepals, mottled maroon, and lime-green petals and lip. Median sepal shallowly galeate, oblong, obtuse, 10-14 mm long; spur clavate, rounded, 11-17 x 3-5 mm, adpressed to the ovary; lateral sepals reflexed, narrowly oblong to oblong, acute to obtuse, 9-13 mm long. Petals sub-obliquely narrowly ovate-oblong, bluntly acuminate to obliquely retuse, 7-10 mm long. Lip lorate, rounded, subfleshy, 8-12 mm long. Anther sub-horizontal, 3 mm long; stigma 1 mm tall; rostel-lum 2-3 mm tall.
More
Terrestrial herb, robust geophyte, 0.2-0.6 m high. Leaves basal, linear-lanceolate, 140-200 x 15-20 mm. Inflorescence 100-250 mm long; bracts as tall as flowers. Flowers many, sepals creamy green, mottled maroon, lime-green petals and lip. Sepals: median sepal shallowly galeate, oblong, obtuse, 10-14 mm long; spur clavate, rounded, 11-17 mm long, appressed to the ovary; lateral sepals reflexed, narrowly acute to obtuse, 9-13 mm long. Petals subobliquely ovate-oblong, bluntly acuminate, 7-10 mm long. Lip lorate, rounded, subfleshy, 8-12 mm long. Anther subhorizontal, 3 mm long, rostellum 2-3 mm tall. Flowering time Sept.-Nov.
Robust, tuberous geophyte to 60 cm. Leaves basal, narrowly lanceolate. Flowers many in a dense raceme, sepals cream-green mottled maroon, petals and lip lime-green, spur clavate, rounded, 11-17 mm long, lateral sepals oblong, 9-13 mm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
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

Disa cernua unspecified picture

Distribution

Disa cernua world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:630079-1
WFO ID wfo-0000944325
COL ID 36RXW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Monadenia cernua Monadenia inflata Monadenia prasinata Disa cernua Disa prasinata Disa physodes Satyrium cernuum