Vesta longifolia (Ridl.) S.Y.Wong

• Genus: Vesta
• Botanical Background: Originally described as Schismatoglottis longifolia in 1902 by Ridley. Renamed following genus revision by Wong (2018) due to nomenclatural priority issues.

• Geographical Range: Endemic to lowland rainforest and hill forest up to 250 m elevation in Peninsular Malaysia (Perak) and parts of Borneo (Brunei, Sarawak)
• Environment: Thrives in humid, shaded understories with rich, moist, well‑draining soils often near streams or in swampy sites.

Leaves

• Oblanceolate, mid‑green blades (21–40 cm × 5–8 cm) with attenuate bases and short acuminate apices
• 6–8 primary veins per side, flush with surface

Inflorescence (Spadix & Spathe)

• Nodding spathes ~5–6 cm long, pale yellowish‑green
• Spadix ~same length, with discrete female and male zones
• Scent inconspicuous

Growth Habit

• Terrestrial, clump-forming herb with hypogeal stem and rhizome
• Hapaxanthic (flowering then dying back)

Light Requirements

• Bright, indirect light; avoid direct sun

Watering & Humidity

• Keep soil consistently moist (not waterlogged)
• Maintain high humidity (>60%)

Soil & Potting Mix

• Use loose, well-draining mix (peat, perlite, orchid bark)
• Container with drainage recommended

Temperature & Fertilizer

• Optimal 20–28 °C
• Feed monthly during growing season with balanced, diluted fertilizer

Division

• Divide rhizomes at growth nodes
• Plant immediately in moist medium

Seeds

• Limited horticultural use
• Viability and germination data lacking

Typical Issues

• Susceptible to spider mites, mealybugs, and root rot if overwatered

Treatment Recommendations

• Use insecticidal soap or neem oil for pests
• Ensure proper drainage to prevent root diseases

• Monotypic genus endemic to Malesia
• Name “Vesta” honors the Roman goddess of hearth, reflecting subtle beauty

• Valued by collectors for its rarity, elegant foliage form, and compact habit

Wild Population Status

• Predicted “Not Threatened” but with low confidence
• Habitat loss could impact isolated populations

Market Availability

• Rare in cultivation
• Available mainly through specialist nurseries and aroid enthusiast networks