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Polygonatum cyrtonema Hua

Species

Angiosperms > Asparagales > Asparagaceae > Polygonatum

Characteristics

Rhizome usually moniliform or tuberous moniliform, rarely subterete, 1--2 cm thick. Stem erect, 50--100 cm, glabrous. Leaves 10--15, alternate; petiole short; leaf blade elliptic to oblong-lanceolate, occasionally falcate, 10--18 × 2--7 cm, apex usually acuminate. Inflorescences umbel-like, (1 or)2--7(--14)-flowered; peduncle 1--4(--6) cm; bracts borne on proximal part of pedicel, small, or absent. Flowers pendulous; pedicel 0.5--1.5(--3) cm. Perianth yellowish green, campanulate-cylindric, 1.8--2.5 cm; lobes ca. 3 mm. Filaments slightly compressed, 3--4 mm, papillose or shortly cottony, apically slightly dilated or saccate-convex; anthers 3.5--4 mm. Ovary 3--6 mm. Style 1.2--1.5 cm. Berries black, ca. 1 cm in diam., 3--9-seeded. Fl. May--Jun, fr. Aug--Oct. 2 n = 18*, 20*, 22*.
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A herb. The rhizome can develop tubers. They are 1-2 cm thick. The stem is erect and 50-100 cm tall. There are 10-15 leaves. They are alternate. The leaves are sword shaped and 10-18 cm long by 2-7 cm wide. There are 2-7 flowers in a flat topped group.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.1 - 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

It is a temperate plant. It grows in forests and shaded slopes between 500-2,100 m above sea level
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Forests, thickets and shaded slopes; at elevations from 500-2,100 metres.
Light 3-6
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 8-9

Usage

The root or rhizome is cooked as a vegetable.
Uses brewing medicinal
Edible rhizomes roots
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 -

Distribution

Polygonatum cyrtonema world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:540112-1
WFO ID wfo-0000716205
COL ID 4L8RX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonatum martini Polygonatum henryi Polygonatum brachynema Polygonatum multiflorum var. longifolium Polygonatum cyrtonema Polygonatum japonicum var. formosanum
WorldFloraDB 2024