Helwingia himalaica Hook.F. & Thomson ex C.B.Clarke

Species

Angiosperms > Aquifoliales > Helwingiaceae > Helwingia

Characteristics

Shrubs 2–3 m tall, deciduous; young branches yellow-brown, slender; leaf scars ± inconspicuous. Leaf petiole 1–5(–7) cm; stipules ca. 2 mm, not or 1–3-divided; leaf blade adaxially shiny green, abaxially light green, oblong-lanceolate, rarely oblanceolate or ± diamond-shaped, 5–11(–18) × 2.5–4(–5) cm, thickly papery, veins (5–)7–9, secondary and smaller lateral veins inconspicuous, base broadly cuneate to cuneate, margin glandular spiculate serrate, apex caudate-acuminate. Umbels between mid point and lower 1/3 of midvein on adaxial surface, rarely on upper part of young branches. Flowers of staminate umbels 8–20, pedicellate, 4-merous, rarely 3-merous, light green, 5–8 mm, pedicellate. Flowers of carpellate umbels (1–)3 or 4(or 5), pedicellate, 4-merous, light green, 5–6 mm; stigma 3-or 4(or 5)-divided. Fruit subglobose to oblong, ca. 5–8 mm in diam.; pedicel 1–2(–6) mm. Seeds 3 or 4, 3-or 4-ridged. Fl. Apr–May, fr. Aug–Oct.
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A shrub which loses its leaves. It grows 2-3 m tall. The leaves are light green underneath. They are oblong and 5-11 cm long by 3-4 cm wide. Male and female flowers are on separate plants. The leaves are alternate and have teeth. The flowers appear on the leaves. The fruit is fleshy.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) 1.5 - 2.5
Mature height (meter) 2.0 - 2.5
Root system -
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

An undershrub of dense dark forests, especially in E. Nepal, 2100-2700 metres. Woods and margins of woods at elevations of 1700-3000 metres in western China.
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It is a subtropical plant. In southern China it grows between 1,700-3,000 m above sea level.
Light 1-6
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses medicinal
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings, seedlings or suckers.
Mode cuttings seedlings suckers
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Helwingia himalaica unspecified picture

Distribution

Helwingia himalaica world distribution map, present in Bhutan, China, India, Myanmar, Nepal, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:90834-1
WFO ID wfo-0000981203
COL ID 3KK6B
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helwingia chinensis f. oblanceolata Helwingia himalaica Helwingia omeiensis f. oblanceolata Helwingia lanceolata Helwingia himalaica var. gracilipes Helwingia himalaica var. nanchuanensis Helwingia himalaica var. parvifolia Helwingia himalaica var. prunifolia Helwingia japonica var. himalaica Helwingia japonica var. nanchuanensis Helwingia omeiensis var. oblanceolata Helwingia himalaica f. oblanceolata Helwingia himalaica var. lanceolata Helwingia himalaica var. himalaica