Disa dichroa Summerh.

Species

Angiosperms > Asparagales > Orchidaceae > Disa

Characteristics

Cauline leaves 3–6, sheathing at the base with a free narrowly elliptic to lanceolate blade 4–7 cm long; all leaves about the same size, drying grey-black while the inflorescence dries pale creamy-brown.
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Spur from base of galea, straight, 6–8 mm long, laterally flattened and with the upper and lower margins parallel, (2)3–3.5 mm apart.
Dorsal sepal spathulate; galea 6.5–9.5 mm tall, 3–4.5 mm wide and c. 2 mm deep, elliptic-oblong, acute.
Floral bracts about as long as the ovaries, lanceolate to narrowly lanceolate, acuminate, twisted.
Lip 5–7 mm long, narrowly elliptic, rounded to subacute, upper surface rounded and papillate.
Terrestrial herb perennating by testicular tubers. Plants erect, slender, 35–60 cm tall.
Petals 5.5–6 × 1.5–2.5 mm, falcate, acute, attached to the rostellum by a long keel.
Lateral sepals 6–9 mm long, oblique, narrowly oblong, acute; apiculi 0.5–1 mm long.
Inflorescence lax, spotted mauve, 20–30 cm long, 25–45-flowered.
Rostellum c. 2 mm tall, anther c. 3 mm long.
Stigma horizontal and almost square.
Flowers pale purple to mauve.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01 - 0.01
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

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

Distribution

Disa dichroa world distribution map, present in Zambia

Identifiers

LSID urn:lsid:ipni.org:names:630099-1
WFO ID wfo-0000944352
COL ID 36RYD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Disa dichroa Disa aconitoides var. dichroa Disa concinna var. dichroa