Dillenia pentagyna Roxb.

Species

Angiosperms > Dilleniales > Dilleniaceae > Dillenia

Characteristics

Deciduous tree, up to 25 m high, with usually rather crooked, up to 1  high clear trunk, to 1 m diam. Bark smooth, grayish, peeling off in thin scales. Leaves elliptic-obovate, ca 25-50-nerved, 20-50 by 10-20 cm, with rounded to obtuse apex, acute base, decurrent along the petiole, and manifestly dentate to nearly entire margin. Petiole 1½-5 cm long, slightly winged with permanent, not amplexicaul wings. Leaves on saplings and young plants oblanceolate, up to 75-nerved, up to 120 by 40 cm, with up to 15 mm broad petiolar wings, not sharply separated from the blade, distinctly nerved like the blade. Flowers 2-7 in a fascicle on an up to 3 mm long, short shoot with hairy bracts, on branches of 6 mm and more diam.; flowering mainly when leafless. Flowers 2½-3 cm diam., on a 2½-6 cm long pedicel without bracteoles. Sepals 5, elliptic, 8-12 by 5-9 mm. Petals yellowish or whitish, 15-20 by 5-10 mm. Stamens in 2 distinct groups, the outer ones 60-90, 2½-4 mm long, straight in bud, the inner ones 10,6-9 mm long, with their apex reflexed in bud, opening with longitudinal slits. Carpels 5(-6), ca 3½-4 by 1.2-1.5 mm, with 4 mm long styles; each with 5-20 ovules. Fruit indehiscent, approximately globular, yellow, orange or red, 15 mm diam., 13 mm high including the enlarged, fleshy sepals, which are up to 16 by 14 mm, up to 3 mm thick at the base. Carpels ca 8 by 5 mm, 1(-2)-seeded. Seeds ovoid, 5 by 3½ mm, exarillate.
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Deciduous trees to 15 m tall, to 1 m d.b.h. Bark smooth, gray, exfoliating; branchlets glabrous, stout. Petiole 2-5 cm, glabrous, with narrow wings; leaf blade oblong to obovate-oblong, 20-60 × 10-25 cm, leathery, secondary veins 25-50 on either side, margin with shallowly undulate teeth. Flowers 2-7, small, fascicled at top of lateral spurs, 2-3 cm in diam., less than 2 cm in diam. in bud; pedicels 2-4 cm, bractlets deciduous. Sepals 5. Petals 5, yellow, obovate. Stamens in 2 distinct groups, outer 60-90, 3-4 mm, slightly curved in bud, inner ca. 10, reflexed, 6-9 mm; anthers dehiscing with longitudinal slits. Carpels 5 or 6, 3.5-4 mm in diam.; stylodia spreading; ovules 5-20 per carpel. Pseudocarp indehiscent, yellow, orange, or red; carpels each 1(or 2)-seeded. Seeds exarillate. Fl. Apr-May.
A tree. It grows 6-17 m tall. The twigs are twisted. The bark is grey and smooth. The leaves are large and 35-53 cm long by 12-30 cm wide. They fall off during the year. The leaves narrow to the base and have teeth along the edge. The flowers appear before the leaves. The flowers are yellow. The fruit are round. The fruit is succulent.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 15.0 - 16.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

A tropical plant. In Nepal it grows up to 1200 m altitude. It grows in open places in the foothills. It grows in drier areas. In southern China it grows in rainforests below 400 m above sea level. In Sikkim it grows between 150-1,500 m above sea level. In Yunnan.
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Dense primary forests and in teak forests; also found on fire-savannahs; on periodically often very dry localities; at elevations up to 1,000 metres. Open places in foothills, especially in Shorea robusta woodland; at elevations to 1,200 metres.
In primary and teak forests, also in fire-savannahs, up to 1000 m alt., on periodically often very dry localities. Seems to be rather fire-resistant. Fl. June-November, at one locality all trees approximately at the same time.
Light -
Soil humidity 1-6
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The ripe fruit are edible but not greatly appreciated. They are eaten with salt and chili. They are used for jam. They can be pickled. The flower buds and young fruit are eaten raw or pickled. They can be stored for 20 days. The flowers are fried.
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Uses. The wood, though of rather good quality, is rarely used because of its crookedness; a rather good charcoal is made of it.
Uses charcoal dye fiber food fuel material medicinal timber wood
Edible flowers fruits leaves
Therapeutic use Antineoplastic agents (bark), Antirheumatic agents (bark), Antiviral agents (bark), Burns (bark), Diarrhea (bark), Dysentery (bark), Fever (bark), Labor pain (bark), Measles (bark), Neoplasms (bark), Wounds and injuries (bark), Increase physical endurance, strength and stamina (flower), Angiotensin-converting enzyme inhibitors (fruit), Appetite stimulants (fruit), Cough (fruit), Digestive system diseases (fruit), Fever (fruit), Increase physical endurance, strength and stamina (fruit), General tonic for rejuvenation (fruit), Chest pain (leaf), Pregnancy complications (leaf), Pruritus (leaf), Wounds and injuries (leaf), Antiviral agents (tuber), Carbuncle (unspecified), Pleurisy (unspecified), Pneumonia (unspecified), Tubercle (unspecified), Fistula (unspecified), Neuralgia (unspecified), Sore (unspecified), Abdominal pain (unspecified), Astringents (unspecified), Cardiovascular agents (unspecified), Tuberculosis (unspecified), Wounds and injuries (unspecified), Cardiovascular system (whole plant excluding root)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seed. They can also be grown by cuttings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 30 - 42
Size -
Vigor -
Productivity -

Images

Dillenia pentagyna unspecified picture

Distribution

Dillenia pentagyna world distribution map, present in Bangladesh, Bhutan, China, Indonesia, India, Kenya, Cambodia, Lao People's Democratic Republic, Myanmar, Malaysia, Nepal, Thailand, Timor-Leste, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:316734-1
WFO ID wfo-0000647615
COL ID 365HZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Wormia coromandelina Wormia augusta Dillenia augusta Dillenia pentagyna Colbertia augusta Colbertia coromandelina Colbertia floribunda Dillenia minor Dillenia baillonii Dillenia floribunda Dillenia hainanensis Dillenia angusta