Gymnanthera oblonga (Burm.F.) P.S.Green

Species

Angiosperms > Gentianales > Apocynaceae > Gymnanthera

Characteristics

A small vine with milky sap. It can be a climber. It grows 3-6 m high. It has milky sap. The stems can be 4 cm across. Leaves are in pairs opposite each other. They are smooth and vary in shape. Often they are oblong 4.5-13 cm long by 1.2-6 cm wide. They are dark green on top and paler underneath and with a pointed tip. There are about 6-13 veins on each side of the midrib. The leaf stalk is 2 cm long. The flowers are green or cream and have a scent. They form tubes with star like petals. The flowers are 1.5-2 cm across. The fruit is a green capsule and with green ridges along it. Inside the fruit is composed of small green leafy type coverings. The fruit are about 8.5 cm long by 0.5 cm wide. There are many seeds. The seeds have feathery wings.
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Lianas to 2 m. Branchlets tawny-brown, lenticellate, slightly pubescent. Petiole 5-10 mm; leaf blade oblong or elliptic, 3-5.5 × 1.5-2.5 cm, papery, glabrous, base rounded or broadly cuneate, apex rounded, apiculate. Cymes apparently axillary, subsessile, congested, ca. 2 cm wide, to 7-flowered, glabrous. Pedicel 5-10 mm. Sepals ovate, ca. 2 × 1 mm, basal glands 5-10. Corolla yellow-green; tube 6-9 mm; lobes ovate, ca. 7 × 5 mm, obtuse. Corona lobes ovate, apex apiculate. Pollen carriers short cylindric, erect. Ovaries glabrous. Follicles dark brown, 8-12 cm × 5-6 mm. Seeds tawny-brown, oblong, ca. 7 × 2 mm; coma ca. 2 cm. Fl. Jun-Sep, fr. Sep-Jan.
Woody scrambler or liane. Leaves with petiole to 2 cm long; lamina lanceolate, narrowly elliptic to elliptic, to 12 cm long, to 8 cm wide, rounded or cuneate at base, acute, acuminate or obtuse at apex, discolorous. Inflorescence of 1–many fascicles. Flowers 11–17 mm long, 7–30 mm wide; pedicels 4–14 mm long. Corolla cream to yellow-green; tube 5–13 mm long, 1.9–4 mm diam.; lobes lanceolate to ovate, 5–20 mm long, 3.5–6 mm wide. Corona lobes subulate, 0.9–3 mm long, 1.7–3.5 mm wide, cusped or toothed. Follicles 8.5–14 cm long. Seeds narrowly oblong, 7–9 mm long.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 6.0
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
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Environment

It is a tropical plant. Grows in the Nipa zone along the coast. It grows above the beach on dunes. It is often near streams and on the edges of swamps. It grows near sea level in the mangroves.
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Grows in saline areas in or near mangroves, occasionally inland in watercourses. Coastal monsoon vine thicket and forest, stream edges (Wightman & Andrews 1989: 126).
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Hardiness (USDA) 8-12

Usage

The young fruit are cooked and eaten but ripe fruit are eaten raw.
Uses -
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It grows wild. It can be grown from seed or cuttings.
Mode seedlings
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Images

Gymnanthera oblonga unspecified picture

Distribution

Gymnanthera oblonga world distribution map, present in Australia, China, Cambodia, Malaysia, Philippines, Papua New Guinea, Singapore, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:963848-1
WFO ID wfo-0000712183
COL ID 3HPCF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Parechites bowringii Trachelospermum bowringii Gymnanthera oblonga Jasminum oblongum Cylixylon heterophillum Dicerolepis hypoleuca Dicerolepis paludosa Dicerolepis pedunculata Gymnanthera hypoleuca Gymnanthera nitida Gymnanthera paludosa Gymnanthera pedunculata