Vanda coerulescens Griff.

Species

Angiosperms > Asparagales > Orchidaceae > Vanda

Characteristics

Stems 2-8 cm, 1-1.5 cm in diam. Leaf blade 7-12 × 1-1.3 cm, fleshy, apex praemorse. Inflorescences 1 or 2, 14-36 cm, sparsely 10-16-flowered; peduncle 11-35 cm; rachis not distinctly zigzag, 10-25 cm; floral bracts ovate-triangular, 1.5-3 × 1.5-3 mm, apex acute. Flowers thinly textured, widely opening, 1.5-2.5 cm in diam.; pedicel and ovary white, tinged with pale blue, 1.5-3 cm; sepals and petals pale blue or white tinged with pale blue, not tessellated. Sepals similar, obovate or spatulate, 10-17 × 6-8 mm, base cuneate, apex obtuse. Petals oblanceolate-spatulate, 10-17 × 5-7 mm, base cuneate, apex obtuse; lip deep blue, shorter than sepals, spurred; lateral lobes erect, pale blue, suboblong, 3-4 × 1.5-2.3 mm, apex oblique; mid-lobe dark purple or blue, oblanceolate, 7-9 × 4-6 mm, base with a pair of calli, apex rounded and emarginate; disk centrally often with 3-5 thickened ridges and lateral ones thicker and dilated at apex; spur slightly curved, cylindric, ca. 5 mm, apex obtuse. Column blue, 5-7 mm; anther cap pale yellow, ca. 1.5 mm wide. Fl. Mar-Apr. 2n = 38, 40.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 1.0 - 1.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity -
Soil texture -
Soil acidity 4-6
Soil nutriment -
Hardiness (USDA) 11-12

Usage

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

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Vanda coerulescens flower picture by Blue Bottle (cc-by-sa)

Distribution

Vanda coerulescens world distribution map, present in Bangladesh, China, Myanmar, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:660988-1
WFO ID wfo-0000330994
COL ID 7FFNR
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Vanda caerulescens Vanda coerulescens var. lowiana Vanda coerulescens var. hennisiana Vanda coerulescens