Pāʻū O HiʻIaka

jacquemontia sandwicensis

Pāʻū O HiʻIaka (Jacquemontia sandwicensis) is a beautiful, sprawling coastal vine endemic to the Hawaiian Islands. This hardy perennial species forms dense, low-growing mats across sandy beaches and rocky coastlines, serving as a vital ecological anchor that prevents wind and water erosion. With its small, bell-shaped blossoms that transition from white to pale blue or lavender, it adds a delicate splash of color to the rugged, sun-drenched shorelines. Beyond its ecological value, the plant holds a deeply revered place in Hawaiian culture, forever linked to tales of the goddess Pele and her beloved younger sister.

Habitat: Found in coastal dunes, sandy beaches, and rocky shoreline environments across the Hawaiian archipelago.

Appearance

This prostrate vine features fleshy, oval-to-oblong light green leaves that measure up to 5 centimeters in length. Its slender, creeping stems root at the nodes to form expansive groundcover mats. The flowers are small, funnel-shaped, and resemble miniature morning glories, ranging in color from brilliant white to soft lavender-blue, typically blooming throughout the year.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderSolanalesFamilyConvolvulaceaeGenusJacquemontia

Photo from iNaturalistCC0View original ↗

Pāʻū O HiʻIaka

Interesting facts

Despite living in harsh, salty, and windy beach conditions, its delicate flowers can bloom almost continuously throughout the year.

It plays a crucial role in coastal conservation by binding loose beach sand and preventing wind erosion.

The Hawaiian name translates to 'skirt of Hiʻiaka', referring to a legend where the volcano goddess Pele covered her baby sister with this vine to shade her from the sun.

Special abilities

Possesses a highly specialized waxy cuticle on its leaves that repels salt spray and minimizes moisture loss in coastal environments.

Creeping stems root at nodes when they touch soil, allowing the plant to rapidly anchor shifting coastal sands.

Fleshy leaves store excess water, helping the vine survive long periods of intense tropical sun and drought.

Measurements & details

Length: 50-300 cm
Weight: 0.2-3 kg
Lifespan: 3-10 years
Clutch Size: 1-4
Incubation: 14-60 days

Diet & Feeding

As a primary producer, it creates energy through photosynthesis using solar radiation, water, and carbon dioxide.

Primary Foods

Sunlight
Carbon dioxide
Water
Soil nutrients

Foraging Method

Photosynthesis

Ecological connections

Mutualism

Hawaiian Yellow-faced Bee

Hylaeus anthracinus

Native yellow-faced bees visit the flowers for nectar, acting as the primary pollinators of the plant.

Eaten by

Feral Goat

Capra hircus

Invasive goats often graze on coastal vegetation, including this native vine, threatening its local populations.

Traits

No trait badges are assigned for this object yet.

Also known as

No aliases listed yet.

Collections

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Pāʻū O HiʻIaka?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

How long is Pāʻū O HiʻIaka?

50-300 cm

How much does Pāʻū O HiʻIaka weigh?

0.2-3 kg

How long does Pāʻū O HiʻIaka live?

3-10 years

What does Pāʻū O HiʻIaka eat?

As a primary producer, it creates energy through photosynthesis using solar radiation, water, and carbon dioxide.

Where is Pāʻū O HiʻIaka usually found?

Found in coastal dunes, sandy beaches, and rocky shoreline environments across the Hawaiian archipelago.

How does Pāʻū O HiʻIaka hunt?

Photosynthesis