Bletilla striata Rchb.F.

Chinese ground orchid (en), Orchidée jacinthe (fr)

Species

Angiosperms > Asparagales > Orchidaceae > Bletilla

Characteristics

Plants 18-60 cm tall. Rhizome dorsiventrally compressed, subglobose or irregularly shaped, 1-3 cm in diam. Stem 3-25 cm, stout, enclosing several long tubular sheaths, 4-6-leaved. Leaves widely spaced or clustered toward apex of stem, narrowly oblong to lanceolate-elliptic, 8-29 × 1.5-4 cm, base contracted into amplexicaul sheath, apex acuminate. Peduncle 14-34 cm, slender, usually with 1 sheathing bract; rachis flexuous, sometimes pendulous, 2-7 cm, simple or sometimes branched, 3-10-flowered; floral bracts usually deciduous at anthesis, oblong-lanceolate, 6-20 mm. Flowers erect or spreading, purplish red or pink, large; pedicel and ovary twisted, 10-24 mm. Sepals purplish red or pink, narrowly oblong, 14-30 × 4-8 mm, lateral ones slightly oblique, apex acute. Petals similar to but slightly larger than sepals, purplish red or pink, 14-32 × 4-11 mm, apex acute; lip white, tinged with purplish red, with purplish veins, obovate-elliptic, 14-28 × 10-18 mm, 3-lobed above middle; lateral lobes erect and embracing column, triangular to suborbicular, apex acute; mid-lobe square, 3-8 × 2-6 mm, margin slightly crisped, apex truncate; disk with 5 longitudinal lamellae extending from base of lip almost to apex of mid-lobe; lamellae undulate only on mid-lobe. Column subterete, 14-20 mm, slender, dilated toward apex, with narrow wings; rostellum large. Capsule to 3.4 cm. Fl. Apr-May. 2n = 32, 38, 76.
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An orchid. It grows 18-60 cm tall. The rhizome is flattened. It is 1-3 cm across. The stems are 3-25 cm long and stout and encloses several long tubular sheaths. There are 4-6 leaves. The leaves are widely spaced or clustered towards the tip of the stem. They are narrowly oval and 8-29 cm long by 2-4 cm wide.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.18 - 0.5
Mature height (meter) 0.14 - 0.5
Root system rhizome
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

Grassy slopes in foothills, C. and S. Japan. In sandy soils amongst grassy patches on cool mountain slopes in China. Evergreen broad-leaved forests, Quercus forests, coniferous forests, grassy places, crevices; from 100-3,200 metres.
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It is a temperate plant. It grows in evergreen broad-leaved forests between 100-3,200 m above sea level in China. In Sichuan.
Light 4-6
Soil humidity 4-7
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses environmental use medicinal
Edible bulbs
Therapeutic use Abscess (unspecified), Ache(Stomach) (unspecified), Ague (unspecified), Apertif (unspecified), Chafe (unspecified), Chest (unspecified), Cough (unspecified), Demulcent (unspecified), Dysentery (unspecified), Dyspepsia (unspecified), Hematemesis (unspecified), Hemoptysis (unspecified), Hemorrhage (unspecified), Hemostat (unspecified), Hemostatic (unspecified), Inflammation (unspecified), Internulcer (unspecified), Lung (unspecified), Ornament (unspecified), Pain (unspecified), Paste (unspecified), Piles (unspecified), Skin (unspecified), Trauma (unspecified), Tuberculosis (unspecified), Wound (unspecified), Enterorrhagia (unspecified), Gastrorrhagia (unspecified), Silicosis (unspecified), Tumor (unspecified), Swelling (unspecified), Burn (unspecified), Emollient (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

It can be grown by division of the bulbs. It can be grown by seeds.
Mode divisions seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Bletilla striata leaf picture by Kenneth Parker (cc-by-sa)

Flower

Bletilla striata flower picture by koichi kishimoto (cc-by-sa)
Bletilla striata flower picture by 三義 長谷川 (cc-by-sa)

Distribution

Bletilla striata world distribution map, present in China, Japan, Myanmar, Korea (Democratic People's Republic of), and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:617803-1
WFO ID wfo-0000346630
COL ID M6SJ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Limodorum hyacinthinum Sobralia bletioides Bletia striata Bletilla striata Jimensia nervosa Jimensia striata Bletia hyacinthina Bletilla elegantula Calanthe gebina Coelogyne elegantula Cymbidium hyacinthinum Epidendrum striatum Cymbidium striatum Gyas humilis Limodorum striatum Bletilla hyacinthina Bletia gebina Bletilla gebinae Bletilla striata f. gebina Bletilla striata var. albomarginata Bletilla striata var. gebina Bletia hyacinthina var. gebina Polytoma inodora