Polygonatum involucratum (Franch. & Sav.) Maxim.

Species

Angiosperms > Asparagales > Asparagaceae > Polygonatum

Characteristics

Rhizome terete, 3--5 mm thick, slender. Stem arching, 20--50 cm, glabrous. Leaves 4--7, alternate; petiole short or indistinct; leaf blade broadly elliptic to ovate, usually 5--10 × 3--6 cm, glabrous, base rounded or tapering, apex acute to shortly acuminate. Inflorescences 2-flowered; peduncle 1--2 cm, glabrous; bracts 2, borne at base of pedicel, ovate to broadly ovate-elliptic, 2--3.5 × 1--3 cm, leaflike, 7-or more veined, persistent. Flowers pendulous; pedicel 1--2 mm, glabrous. Perianth greenish white, cylindric, 2.3--2.5 cm; lobes ca. 3 × 2 mm. Filaments ± compressed, 2--4 mm, papillose; anthers 3--5 mm. Ovary ca. 5 mm. Style 1.8--2 cm, slightly exserted. Berries ca. 1 cm in diam., 7-or 8-seeded. Fl. May--Jun, fr. Aug--Sep. 2 n = 18*, (20, 22).
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A herb. It has rhizomes or underground stems. These are 3-5 mm thick. The stem arches over. It is 20-50 cm high. There are 4-7 leaves which are alternate. The leaf stalk is short. The leaf blade is broadly oval and 5-10 cm long by 3-6 cm wide. The base is rounded. The flowering stalks has 2 flowers. The flowers hang downwards. The fruit is a berry. It is about 1 cm across and has 7 or 8 seeds.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination
Spread -
Mature width (meter) -
Mature height (meter) 0.3
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

Meadows in mountains all over Japan. Forests, shaded and moist slopes at elevations from 700-1400 metres in northern China.
More
It is a temperate plant. It grows in forests in shaded and moist places between 700-1400 m altitude in N China.
Light 1-6
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-10

Usage

The rhizomes are cleaned, parboiled, drained and partially dried and rubbed between the hands. It is the sliced and cooked with other foods. The sprouts are also eaten raw in salads or pickled. They are also fried or blanched and added to soups.
Uses medicinal
Edible leaves rhizomes roots shoots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 30 - 545
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Polygonatum involucratum unspecified picture

Distribution

Polygonatum involucratum world distribution map, present in Chile, China, Japan, and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:540154-1
WFO ID wfo-0000715821
COL ID 4L8TB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonatum periballanthus Periballanthus involucratus Polygonatum platyphyllum Polygonatum ibukiense Polygonatum fauriei Polygonatum periballanthus var. ibukiense Polygonatum involucratum