Disa equestris Rchb.F.

Species

Angiosperms > Asparagales > Orchidaceae > Disa

Characteristics

Cauline leaves imbricate, grading into the floral bracts, sheathing at the base; free blades up to 15 cm long, lanceolate to narrowly lanceolate, acute to acuminate.
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Spur straight with the apex often upcurved, 6–8 mm long, subconic or cylindric to usually somewhat laterally compressed, apex subclavate.
Floral bracts green to somewhat papery, ovate, acute to subacuminate, variable in length but usually shorter than the ovaries.
Dorsal sepal rotund, apiculate; galea 6–8 mm long, 5–8(10) mm wide and 3–4(6) mm deep.
Lateral sepals 6–8 mm long, oblong, rarely ovate to obovate, rounded, apiculi blunt.
Terrestrial herb perennating by testicular tubers. Plants erect, 35–60 cm tall.
Lip 4.5–6 mm long, oblong, rounded, upper surface convex and papillate.
Flowers violet to purple, rarely the lip or the flowers whitish.
A rather lax inflorescence of small purple flowers.
Inflorescence lax, 8–20 cm long, 10–40-flowered.
Rostellum attached to the petal by a keel.
Petals 4.5 × c. 1.5 mm, falcate, truncate.
A slender terrestrial herb 1-2 ft. high
Stigma almost horizontal and square.
Ovary (8)10–13(15) mm long.
Anther c. 3 mm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.33 - 0.61
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 -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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

Disa equestris world distribution map, present in Angola, Burkina Faso, Central African Republic, Congo, Mozambique, Nigeria, Tanzania, United Republic of, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:630104-1
WFO ID wfo-0000944360
COL ID 36RYL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Disa equestris Disa huillensis