Calanthe metoensis Z.H.Tsi & K.Y.Lang

Species

Angiosperms > Asparagales > Orchidaceae > Calanthe

Characteristics

Plants 30-50 cm tall. Rhizome inconspicuous. Pseudobulbs conic, small, ca. 1.5 cm in diam., enclosed in leaf sheaths. Leaves 3, well developed and spreading at anthesis, not deciduous; blade narrowly elliptic, 25-30 × 3.5-9.5 cm, with 5 main veins, apex acute; petiole-like base sheathing, usually forming a pseudostem to ca. 9 cm long and ca. 1 cm in diam. Scapes 1 or 2, arising from leaf axils, erect, 30-50 cm, densely puberulent; rachis to 12 cm, laxly 2-10-flowered; floral bracts persistent, lanceolate, 7-20 mm, glabrous. Flowers pink; pedicel and ovary 15-30 mm, puberulent. Dorsal sepal elliptic, ca. 15 × 7 mm, sparsely puberulent, 5-veined, apex apiculate; lateral sepals ovate, oblique, ca. 15 × 6-8 mm, sparsely puberulent, 5-veined, apex apiculate. Petals linear, ca. 14 × 2 mm, glabrous, 3-veined, apex acute; lip adnate to entire length of column wings, ca. 12 × 10 mm, 3-lobed; lateral lobes ovate-triangular, ca. 8 mm across their apices, margin sometimes sparsely toothed, apex subacute; mid-lobe obovate-cuneate, ca. 6 × 6 mm, margin fimbriate, apex rounded and apiculate; disk with 3 ridges; spur cylindric, ca. 15 × 2 mm, outside sparsely puberulent, attenuate toward apex, apex obtuse. Column ca. 5 mm, thick, wings dilated and triangular, embracing stigma; rostellum 2-lobed; lobes falcate-triangular, ca. 1.2 mm; pollinia clavate, unequal in size, larger ones ca. 2 mm, ± arcuate, smaller ones straight. Fl. Apr-Aug.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.5
Root system 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) -

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

Calanthe metoensis world distribution map, present in China and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:620952-1
WFO ID wfo-0000764076
COL ID PFFS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Calanthe metoensis