Phreatia formosana Rolfe

Species

Angiosperms > Asparagales > Orchidaceae > Phreatia

Characteristics

Stems tufted, very short, not pseudobulbous, enclosed in leaf sheaths. Leaves subbasal, 4-6(-10), distichous on short stem; leaf blade linear, 7-13 × 0.8-1 cm, base slightly contracted and dilated into equitant sheaths, articulate, apex obtuse or retuse. Inflorescence axillary, erect, 6-7 cm, slender, with 3 ovate-lanceolate sheaths below middle; rachis 2-5 cm, many flowered; floral bracts subovate, 1-1.5 mm. Flowers white or greenish white, ca. 2 mm in diam.; pedicel and ovary 2-3 mm. Dorsal sepal elliptic-ovate, ca. 1.5 × 1 mm, obtuse; lateral sepals obliquely ovate-triangular, ca. 1.5 × 1.5 mm. Petals subelliptic, ca. 1 × 0.6 mm; lip suboblate, ca. 1 × 1.3 mm, base with a short claw and slightly saccate. Column short, foot distinct. Capsule ellipsoid, ca. 3 × 1.5 mm. Fl. Aug, fr. Sep-Oct.
Life form perennial
Growth form herb
Growth support epiphyte
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
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Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

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

Phreatia formosana world distribution map, present in China, Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:650805-1
WFO ID wfo-0000270096
COL ID 77D3D
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Phreatia formosana Phreatia kotoinsularis Octarrhena formosana Octarrhena kotoinsularis Phreatia evrardii

Lower taxons

Phreatia formosana var. continentalis Phreatia formosana var. formosana