Yoania japonica Maxim.

Species

Angiosperms > Asparagales > Orchidaceae > Yoania

Characteristics

Plants 10-30 cm tall. Rhizome branching, to ca. 15 × 1.5 cm. Stem pinkish white, covered with scattered scalelike sheaths. Rachis terminal, subdensely 3-5-flowered; floral bracts ovate to broadly ovate, 5-7 mm, clasping pedicel. Flowers erect, spreading, pinkish purple; pedicel and ovary cylindric, 2.5-7 cm, slender. Sepals oblong-ovate, 18-26 × 10-18 mm, apex obtuse. Petals broadly ovate, 15-24 × 14-18 mm, apex obtuse; lip spreading horizontally, ovate, concave, 15-20 × ca. 10 mm, saccate and spurred at base; disk with several longitudinal rows of papillae; spur spreading forward, parallel to lip, broad, 7-8 × 3.5-4 mm, apex obtuse. Column flattened, 8-13 mm, apex with 2 fingerlike processes; processes each ca. 2 mm; column foot ca. 1.5 mm. Fl. Jun-Jul. 2n = 24.
Life form perennial
Growth form herb
Growth support mycoheterotroph
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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) 7-11

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 -

Images

Yoania japonica unspecified picture

Distribution

Yoania japonica world distribution map, present in China, Japan, and Taiwan, Province of China

Conservation status

Yoania japonica threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:661497-1
WFO ID wfo-0000335104
COL ID 5CRW6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Yoania squamipes Yoania japonica var. squamipes Yoania japonica Yoania japonica f. lutea