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Sesuvium portulacastrum

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Sesuvium portulacastrum (L.) L.

Family Name: Aizoaceae
Common Name: Sea Purslane, Gelang Laut, Gelang Pasir, Saruni Air, 海马齿

Name

Family Name
Genus Epithet
Species Epithet
Name Authority
Name Status (botanical)
Common Names
Comments

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants) (Dicotyledon)
Plant Growth Form Creeper, Herbaceous Plant
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic

Biogeography

Native Distribution Pantropical
Native Habitat Terrestrial (Coastal Forest, Disturbed Area / Open Ground), Shoreline (Sandy Beach, Backshore)
Preferred Climate Zone Tropical, Sub-Tropical / Monsoonal
Local Conservation Status Native to Singapore (Least Concern (LC))

Description and Ethnobotany

Growth Form It is a perennial creeping herb.
Foliage Its opposite, stalked leaves have fleshy blades that are oval or lance-shaped, very succulent, flat above, convex below, and 1.5–5 cm by 2–10 mm.
Flowers Its flower grows singly at the leaf axils, has 5 lobes, is green outside, pink inside, and 8–10 mm long.
Fruit Its fruit is oblong or drop-shaped, 9–11 mm long, and contains shiny, black seeds.
Habitat It grows in saline, clayey, sandy, humid or muddy areas near the sea, and along tidal creeks at sea level. It occurs locally in Pulau Ubin, Pulau Tekong, Pulau Semakau, and at the end of Lim Chu Kang Road.
Cultivation It can be propagated by seed or stem cuttings.
Etymology Latin Sesuvium, land of the Sesuvii, a Gallic tribe, possibly referring to one locality in the natural distribution of this species; Latin portulaca, portulaca-like, referring to its resemblance to members of the Portulaca genus.

Landscaping Features

Landscaping It is suitable as a groundcover for open, sunny areas in parks.
Desirable Plant Features Ornamental Flowers, Ornamental Foliage
Landscape Uses Suitable for Rooftops, Flowerbed / Border, Coastal, Parks & Gardens, Small Gardens, Beachfront / Shoreline, Groundcover
Thematic Landscaping Rockery / Desert Garden, Naturalistic Garden

Fauna, Pollination and Dispersal

Pollination Method(s) Biotic (Fauna)
Seed or Spore Dispersal Abiotic (Explosive Dehiscence, Water)

Plant Care and Propagation

Light Preference Full Sun
Water Preference Moderate Water
Plant Growth Rate Moderate
Rootzone Tolerance Saline Soils / Salt Spray, Drought Tolerant, Shallow Media, Well-Drained Soils, Poor Infertile Soils, Waterlogged Soils, Fertile Loamy Soils, Easy to Grow
Maintenance Requirements Moderate
Propagation Method Seed, Stem Cutting

Foliar

Foliage Retention Evergreen
Mature Foliage Colour(s) Green
Mature Foliage Texture(s) Smooth, Thick
Foliar Type Simple / Unifoliate
Foliar Arrangement Along Stem Opposite
Foliar Attachment to Stem Petiolate
Foliar Shape(s) Non-Palm Foliage (Lanceolate, Linear, Oval)
Foliar Margin Entire
Foliar Apex - Tip Acuminate
Typical Foliar Area Microphyll ( 2.25cm2 - 20.25 cm2 )

Non - Foliar and Storage

Stem Type & Modification Herbaceous, Runner / Stolon
Root Type Underground (Fibrous Root)
Specialised Storage Organ(s) Aboveground

Floral (Angiosperm)

Flower & Plant Sexuality Bisexual Flowers
Flower Colour(s) Pink
Flower Grouping Solitary
Flower Location Axillary
Flower Symmetry Radial
Individual Flower Shape Stellate / Star-shaped
Flowering Habit Polycarpic

Fruit, Seed and Spore

Fruit Classification Simple Fruit
Fruit Type Dehiscent Dry Fruit , Capsule

Image Repository

Images

Others

Master ID 1163
Species ID 2456
Flora Disclaimer The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes.
Species record last updated on: 21 March 2022.
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