Jacquemontia ovalifolia (Vahl ex West) Hallier f. ssp. sandwicensis (A. Gray) K.R. Robertson

vernacular oval-leaf clustervine — subspecies · Convolvulaceae

USDA: JAOVS
GBIF: 5341721
Rank: subspecies

oval-leaf clustervine (Jacquemontia ovalifolia f. ssp.) — Platephotograph · Anita GouldCC BY-NC source · iNaturalist ↗

§2Habit & range

Growth habit: Forb/herb, Vine
Duration: Perennial
Group: Dicot
Family: Convolvulaceae Juss.
Genus: Jacquemontia

§2a

Native status, by region

HI Hawaii Native

§2b

County-level range

· 4 counties across 1 state

Legend Native · 4 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: High
Shade: Medium
Moisture use: Medium
Fire: Medium
Salinity: Medium
Anaerobic: None
CaCO₃: High
Hedging: Medium

§3b

Climate & soil

Cold tolerance: 50 °F minimum
Frost-free days: 365 min.
Precipitation: 25–35 in/yr
pH range: 6–7.5
Root depth: 24 in min.
Fertility need: Medium
Soil texture: coarse, medium, fine

§3c

Form & growth

Growth form: Single Stem
Growth rate: Moderate
Lifespan: Moderate
Mature height: 0.5 ft
Foliage texture: Medium
Foliage colour: Green
Porosity (summer): Moderate
Porosity (winter): Moderate
Flower colour: Purple
Fruit colour: Brown
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Indeterminate
Seed abundance: Medium
Seed begins: Year Round
Seed ends: Year Round
Spread rate: Moderate
Stratify: No
Seeds / lb: 115,500
Propagation: seed, bare root, container

§3e

Use & availability

Commercial availability: Routinely Available
Nursery stock: No
Palatable, human: No
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 4 counties across 1 state.

Hawaii view state ↗ 4 N ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/JAOVS ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5341721 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z