Rhipsalis pilocarpa

Seasonally dry forest habitat in southeastern Brazil

Rhipsalis pilocarpa is native from southeastern Brazil to Paraná and grows as an epiphyte in seasonally dry tropical forest.

It experiences warm temperatures, bright filtered light and humid rainy periods followed by drier conditions. The succulent branches hold moisture, and roots on bark stay exposed to air. Indoors, provide humid air, regular watering and a loose mix that dries slightly between drinks.

Rhipsalis pilocarpa care in a hanging pot

Bright filtered light for bristled stems

Give plenty of filtered light and a little mild sun at either end of the day. In good light, the ribbed stems stay dense. Sudden midday exposure can bleach or scar the stems.

Water after the upper mix dries

Soak the root ball, drain fully and wait for the upper portion to dry before watering again. Extend the interval during cooler slow growth because this seasonally dry epiphyte is vulnerable to wet roots.

An airy mix around fine roots

Use a loose bark-and-pumice mix in a hanging pot with a clear drainage hole. A modest pot dries more evenly and keeps the stem base above lingering moisture.

Warmth, air movement and light feeding

Protect from cold draughts and provide moderate humidity with ventilation. Use a weak fertiliser as new branches form. Feed less when growth slows.

Handle the bristles carefully

Use paper or gloves when lifting a dense plant and support the pot from below. Fine bristles can irritate skin and break from the areoles when stems are squeezed.

Common issues with Rhipsalis pilocarpa

Fine bristles or cottony pests

Evenly spaced bristles arise naturally from the areoles. Irregular white cotton that spreads between ribs or into the root collar indicates mealybugs and requires isolation and repeated control.

The ribbed stems turn translucent at the base

This is a rot warning associated with wet, poorly aerated mix. Remove affected tissue and let the mix dry partly before watering the remaining plant.

Firm stems become wrinkled and dull

Inspect the root ball before adding water. A dry mix needs a thorough soak. Continued shrivelling in wet compost points to damaged roots.

A mature plant produces few flowers

Check filtered brightness and the seasonal change in watering. Constant warm, wet growth or heavy nitrogen feeding can favour stems over buds.

Pale scars form on the exposed ribs

Abrupt direct sun can bleach the bristled stem surface. Move to bright filtered light and acclimatise slowly; existing scars remain visible.

Rhipsalis pilocarpa is non-toxic to cats and dogs

• This plant is non-toxic to cats and dogs.
• Its effects on people are unclear, so keep it away from young children who may chew it.
• Eating a large amount can still cause an upset stomach. Seek medical or veterinary advice if symptoms continue.

About the name Rhipsalis pilocarpa

Rhipsalis comes from Greek rhips, wickerwork or basket weave. Pilocarpa combines roots meaning “hair” and “fruit”, describing the bristle-covered berries.

Joseph Gaertner established the genus Rhipsalis in 1788 in De Fructibus et Seminibus Plantarum, volume 1, page 137.

Albert Loefgren first described Rhipsalis pilocarpa in 1903 in Monatsschrift für Kakteenkunde, volume 13, page 52.