Melodinus orientalis Blume

Species

Angiosperms > Gentianales > Apocynaceae > Melodinus

Characteristics

Woody climber to 5 m high. Branchlets glabrous or minutely papillose-puberulent. Leaves: petiole 6-17 mm long, glabrous; blade elliptic to oblong or slightly obovate, 3.7-23.5 by 1.5-9.1 cm, 1.7-4.4 times as long as wide, apex shortly acuminate, rarely to rounded, base cuneate to obtuse, glabrous above and beneath, 8-26 pairs of secondary veins, slightly ascending, tertiary venation subperpendicular to midrib and oblique to secondary veins, and also reticulate. Inflorescence 1.3-3.1 cm long, several-flowered; peduncle 0-0.5 cm long, glabrous; pedicels 0.5-5 mm long, glabrous to minutely papillose-puberulent. Sepals ovate, often somewhat fused at base, 0.7-1.3 by 0.7-1.1, 0.7-1.3 times as long as wide, apex obtuse, glabrous, ciliate. Corolla tube 2.8-5.5 mm long, 2.8-4.7 times as long as calyx, 2.4-4 times as long as lobes, glabrous to minutely puberulent outside, sparsely to densely pubescent around stamens inside; lobes falcate with a fimbriate projection to one side, 0.7-2.7 by 1.5-2 mm (measuring the projection as part of the width), 0.5-0.8 times as long as wide, glabrous inside and outside; corona of 10 flattened triangular lobes free to base, 0.4-0.8 mm long, glabrous. Stamens inserted at 1.7-2.9 mm from corolla base which is c. 0.5 of tube length; filaments c. 0.4 mm long; anthers 0.9-1.6 by 0.3-0.6 mm. Ovary 1-1.4 mm high; style 0.7-1.1 mm long; style head 0.5-1 mm long. Fruit globose or subglobose, 3.3-7.4 by 3.3-7.5 cm. Seeds 9-15 by 4-7 by 3 mm.
More
A woody creeper. The branches are smooth and slender. The bark is dark. The leaves are 10-12.5 cm long by 2.5-5 cm wide. They are green and shiny above and pale yellowish-green underneath. The flowers are crowded and the bracts are rounded. The fruit is a large yellow berry. There are many seeds.
Life form perennial
Growth form -
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant. It grows in mountain forest. It can be up to 2,800 m above sea level.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

UsesYields a poor quality rubber which is said to be highly poisonous. The bark yields a short fibre.
Uses fiber material medicinal poison
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Melodinus orientalis world distribution map, present in Indonesia, Malaysia, Philippines, Singapore, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:80239-1
WFO ID wfo-0000240210
COL ID 3ZM4G
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Melodinus fasciculatus Melodinus laxiflorus Pulassarium coriaceum Willughbeia elliptifolia Willughbeia umbrosa Melodinus citriformis Melodinus coriaceus Melodinus kopsiifolius Melodinus laevigatus Melodinus lancifolius Melodinus micranthus Melodinus perakensis Alyxia coriacea Alyxia cuspidata Alyxia macrocarpa Gynopogon coriaceus Chilocarpus cuspidatus Chilocarpus globosus Alyxia glaucescens Ancylocladus umbrosus Hunteria coriacea Hunteria cuspidata Rhytileucoma chilocarpoides Tabernaemontana orientalis Willughbeia pauciflora Willoughbya pauciflora Melodinus elliptifolius Melodinus globosus Melodinus luzoniensis Melodinus orientalis Willughbeia luzoniensis