Eulophia katangensis De Wild.

Species

Angiosperms > Asparagales > Orchidaceae > Eulophia

Characteristics

A terrestrial herb 11–44 cm. tall.. Perennating organs underground, pseudobulbous, ovoid-conical, proximate in a row, 2–4 cm. tall, 8–35 mm. diameter, 3-noded; roots 1–1.5 mm. diameter, from base of pseudobulbs, white.. Leaves 3, erect, linear, acute, 20–25 cm. long, 3–3.5 mm. wide.. Inflorescence produced before leaves, 2–8-flowered; peduncle wiry, 1 mm. diameter, with 3 sheaths towards base; rhachis 4–20 cm. long; bracts lanceolate, acuminate, 2–6 mm. long.. Flowers erect; sepals and petals whitish pink to greenish yellow, shaded with purple at apices of petals; lip mid-lobe pinkish mauve; pedicel and ovary 10–16 mm. long.. Dorsal sepal linear, acute to acuminate, 16–18 mm. long, 2 mm. wide; lateral sepals similar.. Petals linear-lanceolate, acute to apiculate, 11–12 mm. long, 2–2.5 mm. wide.. Lip 3-lobed, 8–15 mm. long, 7–9 mm. wide; side lobes rounded; mid-lobe subcircular, obtuse; callus of 3 ridges, papillose in front on mid-lobe.. Spur straight, at acute angle to ovary, cylindric from conical base, 8–10 mm. long.. Column 6 mm. long.. Fruit erect, 17–18 mm. long.. Fig. 104/1–10, p. 462.
More
Lip 8–15 × 7–9 mm, 3-lobed at about halfway; side lobes erect, rounded; mid-lobe c. 6 × 4 mm, suborbicular, obtuse; callus of 3 ridges, papillose on the mid-lobe; spur 7–10 mm long, slender and cylindrical from a conical base, straight, forming an acute angle with the ovary.
Leaves 20–30 cm × 3–3.5 mm, linear, acute, grass-like, often rather curled, usually produced after flowering but present with flowers on Pawek 5691 and Greatrex 53.Inflorescence laxly 2–8-flowered; scape slender, with 3 sheaths towards the base.
Perennating organs subterranean, pseudobulbous, 2–4.5 × 1.3.5 cm, conical to ovoid, with several nodes, covered in fibrous sheaths, set close together in a short chain; roots 1–1.5 mm in diameter, arising from base of pseudobulb.
Flowers ± erect, facing upwards, cream or pale pink with a mauve lip or brownish with a purple or purple-green lip, the veins darker brown or purple.
Sepals 16–19 × 1–2 mm, linear or linear-spathulate, acute to acuminate, the dorsal erect, the laterals spreading.
Petals 11–14 × 1–2.5 mm, linear lanceolate, acute or apiculate, projecting over column.
Pedicel and ovary 10–16 mm long.
Terrestrial herb 10–60 cm tall.
Capsule erect, 17–18 mm long.
Bracts 2–6 mm long.
Column 5–6 mm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.11 - 0.52
Root system fibrous-root
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

Eulophia katangensis world distribution map, present in Angola, Tanzania, United Republic of, Zambia, and Zimbabwe

Conservation status

Eulophia katangensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:634682-1
WFO ID wfo-0000959974
COL ID 3CBZC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lissochilus katangensis Eulophia katangensis Eulophia paucisquamata