Eulophia pulchra Lindl.

Gonzo orchid (en), Oecéoclade élégant (fr), Eulophie élégante (fr)

Species

Angiosperms > Asparagales > Orchidaceae > Eulophia

Characteristics

Plants autotrophic, 50-70 cm tall. Pseudobulb borne above ground, erect, green, cylindric or ovoid, 8-10 × 1.5-2 cm, 2-5-noded, with several to many, long, fibrous roots. Leaves 2 or 3, present at anthesis, narrowly elliptic to suboblong, 10-25 × 3-7 cm, with 3 main veins raised abaxially, tapering at base into a petiole-like stalk, apex acute to acuminate; petiole-like stalk 8-15 cm, usually enclosed in a basal sheath and forming a pseudostem. Inflorescence arising from an intermediate node of pseudobulb, racemose, 50-70 cm, with a few scattered amplexicaul sheaths below middle; rachis 12-15 cm, laxly more than 10-flowered; floral bracts linear, 6-9 mm, shorter than ovary, apex acuminate. Flowers medium-sized, pale green with dull purple or red spots and blotches, lip white with dull purple or red venation and blotches toward base and on lateral lobes; pedicel and ovary 11-15 mm. Sepals and petals similar, suboblong-lanceolate to elliptic, 10-15 × 3-5 mm, apex acute or acuminate; lateral sepals somewhat oblique. Petals erect, loosely connivent with dorsal sepal and forming a hood; lip usually orbicular, 10-16 × 11-16 mm, spurred at base, and 3-lobed, rarely ovate-elliptic, simple, ca. 14 × 4.5 mm, and without a spur in peloric forms; lateral lobes erect and loosely embracing column, falcate, ovate, apex obtuse-rounded; mid-lobe oblate, to ca. 13 mm wide, apex deeply emarginate; disk with a pair of calli in front of mouth of spur, or ecallose in peloric forms; spur green, subglobose, ca. 3.5 mm, apex rounded. Column ca. 4 mm. Fl. Oct-Dec. 2n = 32.
More
Lip 3-lobed, but appearing 4-lobed when flattened, 7 mm long, 18 mm wide; mid-lobe recurved, transversely oblong, emarginate, apiculate; side lobes rounded; callus consisting of 2 fleshy lobes in the mouth of the spur.
Leaves 2–4, petiolate; 30–80 cm long including the petiole, 1.5–9 cm wide, the blade lanceolate or oblanceolate, plicate.
Flowers yellow or pale green, with purple marks on the side lobes of the lip and an orange callus.
Sepals 12–15 mm long, narrowly oblong-elliptic, apiculate, the laterals somewhat falcate.
Inflorescence densely many-flowered, the scape with several sheaths along its length.
Pseudobulbs above ground, 10–14 × 1–1.2 cm, erect, cylindrical, clustered.
Petals 11–13 × 4.5–6 mm, obovate-oblong, apiculate.
Bracts 10–25 mm long, linear, acuminate.
Column 5 mm long, the apex deflexed.
Pedicel and ovary 1.5–2 cm long.
Terrestrial herb 60–70 cm high.
Spur 3–4 mm long, globose.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.55 - 0.7
Root system fibrous-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses environmental use social use
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

Eulophia pulchra unspecified picture

Distribution

Eulophia pulchra world distribution map, present in China, Fiji, Indonesia, Lao People's Democratic Republic, Moldova (Republic of), Madagascar, Mozambique, Mauritius, Philippines, Réunion, Solomon Islands, Thailand, Tonga, Taiwan, Province of China, Tanzania, United Republic of, United States of America, Viet Nam, Vanuatu, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:634865-1
WFO ID wfo-0000960192
COL ID 3CC3D
BDTFX ID -
INPN ID 706273
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Lissochilus pulcher Oeceoclades pulchra Limodorum pulchrum Eulophia pelorica Eulophia ambaxiana Eulophia guamensis Eulophia macrostachya Eulophia pulchra Eulophia rouxii Eulophidium pulchrum Eulophidium silvaticum Graphorkis blumeana Graphorkis macrostachya Graphorkis pulchra Eulophia silvatica Eulophia striata Eulophia coccifera Eulophia emarginata Eulophia novo-ebudae Eulophia papuana Graphorkis bisdahliana Graphorchis macrostachya Graphorchis pulchra Graphorkis calographis Eulophia pulchra var. actinomorpha Eulophia pulchra var. pelorica