Disa katangensis De Wild.

Species

Angiosperms > Asparagales > Orchidaceae > Disa

Characteristics

Petals 2-lobed; anterior lobe 9–15 mm tall, ovate, flanking the anther, spreading, the margins incurved; posterior lobes 22–30 mm long, linear, parallel at the base, then diverging through an S-curve.
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Dorsal sepal spathulate; claw 16–17 × 3–4 mm, erect, canaliculate; blade 13–20 mm long, ovate, subcordate, obtuse, galea c. 8 mm deep, curved forwards.
Fertile shoots 40–60 cm tall; cauline leaves imbricate, 4–8 cm long and 12–18 mm wide, sheathing, apices free; basal leaves reduced to sheaths.
Spur pendent from a ridge below the middle of the dorsal sepal, 13–16 mm long, filiform to rarely subclavate.
Floral bracts 5–7 cm long, lanceolate, long-acuminate, the apical part rolled, overtopping the flowers.
Sterile shoots 2–3-leaved; leaves up to 22 × 1 cm, linear, acute, erect.
Lateral sepals 21–36 mm long, obliquely oblong, subobtuse to acute.
Anther erect, 6–  tall; connective longer than the cells.
Terrestrial herb with separate fertile and sterile shoots.
Flowers red, pink or scarlet, the galea with darker spots.
Inflorescence lax, 8–16 cm long, 2–8-flowered.
Lip pendent, 14–22 mm long, linear.
Stigma 3–4 mm in diameter.
Ovary c. 2 cm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.21 - 0.31
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°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
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Productivity -

Distribution

Disa katangensis world distribution map, present in Angola and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:630146-1
WFO ID wfo-0000944421
COL ID 36RZD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Disa erubescens var. katangensis Disa katangensis