Helicia nilagirica Bedd.

Species

Angiosperms > Proteales > Proteaceae > Helicia

Characteristics

Trees 5-15 m tall. Branchlets apically densely rust-colored pilosulose, glabrescent. Petiole 0.5-2(-3.5) cm; leaf blade papery to ± leathery, glabrescent in age, base cuneate and somewhat decurrent into petiole, margin entire, sometimes distinctly serrate or serrate on apical half, apex shortly acuminate, ± acute, or obtuse; secondary veins 5-8(-10) on each side of midvein, abaxially raised; reticulate veins conspicuous on both surfaces. Inflorescences axillary or ramiflorous, 10-18(-24) cm, rust-colored tomentose when young, glabrescent; bracts of flower pairs lanceolate, ca. 1 mm, pilose; floral bracts ca. 0.5 mm. Pedicels 1.5-4.5 mm, basally connate. Perianth white or yellowish, 1.2-1.8 cm, glabrescent. Anthers ca. 2.5 mm. Hypogynous glands free or connate into a 4-lobed cup. Ovary glabrous. Fruit dark green, ovoid to globose, (2-)2.5-3.5 cm in diam., base contracted into a short stipe, apex shortly apiculate; pericarp 1.5-3 mm, hard, leathery. Fl. May-Aug, fr. Nov-Jul.
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A tree. It grows 5-10 m tall. The small branches have a velvety covering. The leaves are broadly oval and 10-17 cm long by 5-9 cm wide. The base is wedge shaped. There are teeth along the edge. The flowers are yellow or white and in pairs on stalks 12-16 cm long. The fruit is round and flattened. They are 25-35 cm long and 4 cm across. They have a woody covering 4 mm thick.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 7.5 - 11.0
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 c3

Environment

It is a subtropical plant. It is native to the eastern Himalayas region in China. It grows among trees in sunny hillsides between 1,100-2,100 m altitude. In Yunnan.
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Broad-leaved evergreen forests, mountain slopes, valleys; at elevations from 1,000-2,000 metres. Semi-open hill forests, often associated with pine.
Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-12

Usage

The seeds are cooked and eaten.
Uses construction material medicinal wood
Edible flowers fruits seeds
Therapeutic use Hypotension (aerial part), Cardiovascular system (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Helicia nilagirica world distribution map, present in Bangladesh, Bhutan, China, India, Cambodia, Lao People's Democratic Republic, Myanmar, Nepal, Thailand, and Viet Nam

Conservation status

Helicia nilagirica threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:704453-1
WFO ID wfo-0001107159
COL ID 3K7JD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Helicia nilagirica Helicia erratica Helicia cornifolia Helicia erratica var. sinica Helicia stricta