Name: Rhaphidophora tetrasperma Hook.f. (Variegata)
Etymology: Rhaphidophora = needle-bearer (Greek rhaphis = needle, phoros = bearing) – refers to the needle-shaped calcium oxalate crystals in the tissue; tetrasperma = four-seeded.
Origin / Distribution: Southern Thailand and the Malay Peninsula.
Location / Habitat: Hemi-epiphytic climber in moist to wet tropical rainforests, often on sandstone or granite substrates at elevations between 190 and 760 m. It uses its aerial roots to climb up tree trunks and thus reach the canopy.
Description & Notes: Rhaphidophora tetrasperma is a fast-growing climbing plant from the Araceae family (aroids). It is characterized by its relatively small, heart-shaped leaves, which develop deep slits (fenestrations) even at a young age. The variegated form described here is a rare mutation in which the leaves exhibit irregular white (Albo), cream-colored, or yellow (Aurea) patches and sectors. This variegation is often chimeric (unstable) and requires targeted light management.
In cultivation, due to the lack of chlorophyll in the light leaf areas, the plant requires significantly more light than the purely green form, but cannot tolerate direct midday sun, as the white areas burn easily. An airy, well-draining substrate (aroid mix with bark and perlite) and a climbing support (moss pole) are essential for healthy growth and the development of larger leaves. The humidity should ideally be above 60%.