Disa longifolia Lindl.

Species

Angiosperms > Asparagales > Orchidaceae > Disa

Characteristics

Plants 100-400 mm tall; basal sheath(s) hyaline; leaves lax to imbricate, erect, up to 250 mm long, grading apically into the floral bracts. Inflorescences usually dense, with few to numerous flowers; bracts overtopping the flowers. Flowers relaªtively large, pink to white. Median sepal galeate, shortly acuminate, c. 7 x 4 mm deep; spur someªwhat pendent and soon decurved, stout, clavate, 2-4 mm long, obscurely grooved below; lateral seªpals oblong, acute, 5-7 mm long. Petals falcate, sharply bent midway, curved around behind the anther, apex erect and acute, somewhat ciliate, baªsal anticous lobe semi-circular, margin sometimes crenulate, flanking the stigma. Lip lanceolate to lorate, acute, pilose either on the upper or both surfaces, 4-5 mm long. Anther horizontal or subªpendent, auricles well-developed; stigma horiªzontal, tripulvinate; lateral rostellum lobes enªclosing viscidia, central lobe fleshy.
More
Tuberous geophyte to 40 cm. Leaves cauline, linear. Flowers few to many in a dense raceme, pink or white, spur pendent, 2-4 mm long, lateral sepals oblong, 5-7 mm long, lip finely hairy.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
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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 longifolia unspecified picture

Distribution

Disa longifolia world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:630159-1
WFO ID wfo-0000944436
COL ID 36RZK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Disa longifolia