Anthurium pulcachense

A Peruvian endemic from premontane wet forest

Anthurium pulcachense comes from the middle Huallaga valley near Pulcache in San Martín, Peru. It grows terrestrially in premontane wet forest at roughly 630–950 m, rooting in the humid organic layer beneath forest cover. The locality is warm and wet but elevated enough to experience milder nights than the Amazonian lowlands.

Care for Anthurium pulcachense

• Light: Give bright indirect or filtered light, with mild early sun only after gradual acclimation. Protect thin leaves from hot midday exposure.
• Watering: Water when the upper 2 cm has begun to dry. Wet the mix evenly, drain thoroughly and check moisture deeper in large pots before watering again.
• Humidity and airflow: Keep relative humidity around 60–75% with gentle airflow. Higher humidity is useful during leaf expansion when the air remains fresh.
• Temperature: Maintain 20–28 °C and keep the root zone above 18 °C. Avoid cold draughts and abrupt temperature changes.
• Substrate and repotting: Allow Anthurium pulcachense to establish a clear watering pattern in the supplied root ball, with the moist but aerated terrestrial root zone remaining firm and active; repot after the plant is stable and the next phase of root growth has begun. Later, use a pot only slightly larger with bark, coir or peat and pumice or perlite.
• Feeding: Apply a dilute complete fertiliser whenever the plant is growing. Use a lighter dose only when light and active growth slow, then resume the normal rate with fresh roots or a new leaf and rinse the substrate with plain water every 4–6 weeks.
• Short terrestrial stem and propagation: Keep the short terrestrial stem at the substrate surface and use a stable pot for the erect petioles. Wipe leaves gently and propagate from rooted offsets or node-bearing stem sections.

Yellow leaves, root stress and leaf damage

• Moisture-related leaf decline: A light-feeling root ball, dry upper root zone and flexible leaf point to thirst; water until the mix is evenly moist and let excess escape. A pot that feels heavy in the hand, damp mix and soft yellow leaves point to wet-root stress; give the pot time to lighten and inspect the centre of the root ball.
• When roots turn soft or hollow: Firm roots with a complete core remain useful. Trim hollow, slippery or foul-smelling roots with a sharp blade sterilised in advance, then use a stable close-fitting pot with an airy mix and keep the stem at the surface. Before cutting Anthurium pulcachense, photograph the root system and confirm failure by texture; preserve every firm section, sterilise the tool between cuts and keep the crown stable while new roots develop.
• Minerals, roots and brown tips: Brown tips can be caused by irregular moisture, low humidity or salts. Use current moisture to time a low-mineral flush and clear the leaf from heated glass.
• A bruise, scorch mark or active lesion: Dry tan marks that stop expanding can be caused by impact or sun. Move the plant away from others when a yellow-edged spot spreads; avoid splashing and record the border.
• Weak light, cool roots and delay: A pause after root loss can continue until fresh tips form. Hold roots above 18 °C and give bright filtered light while new root tips develop.
• Scale, mealybugs and soft-leaf pests: Mealybugs look cottony, scale forms raised brown discs, and thrips scar soft growth silver. Isolate, remove visible insects, apply a product labelled for the pest wherever it can hide. Follow the label closely when another application is due and review treated hiding places once a week for the next month.
• Softness at soil level: The short base should remain firm and visible at the substrate surface. Softening at soil level, leaning leaf stalks or a sour smell require an immediate root check.

If a pet chews Anthurium pulcachense

• Not pet-safe. This plant contains calcium oxalate crystals that can cause immediate pain and irritation if chewed.

The name Anthurium pulcachense

The genus name Anthurium combines Greek anthos, “flower”, and oura, “tail”, referring to the tail-like spadix. Heinrich Wilhelm Schott established the genus in 1829 in Wiener Zeitschrift für Kunst, Litteratur, Theater und Mode, volume 3, page 828.

Pulcachense means “from Pulcache”, referring to Pulcache in San Martín, Peru. Thomas B. Croat described Anthurium pulcachense in 2008 in Novon 18: 158.