Light
Bright indirect • approx. 10,000–20,000 lux
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Araceae
Anthurium longissimilobum
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Every plant is hand‑picked for health and visual appeal, so you receive a strong, well‑established plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal, your plant will still match in type and quality.
- Size details:
Listed sizes refer to pot diameter (cm) and approximate overall height (cm) from the base of the pot to the tallest leaf or stem.
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Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.
- Care basics , Main hub with links to all houseplant care guides.
- After delivery & first week , Unpacking, first placement, and early recovery.
- Light, How much light houseplants really need indoors.
- Watering , When to water and how to avoid root rot.
- Substrates & roots, Potting mixes and drainage for strong root systems.
- Humidity, When humidity matters and what actually helps.
- Fertilizing, Simple feeding routine without burning roots.
- Problems & pests, Yellow leaves, brown tips, bugs, and fixes that work.
- Semi-hydro, How to run low-maintenance mineral substrates.
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Anthurium longissimilobum
Quick Care Guide
Watering
Water when ~30–50% dry
Substrate
Airy + fast-draining • Chunky epiphyte mix • Support-friendly
Temperature
Ideal: 18–27 °C • Avoid below: 15 °C
Humidity
Humid 60–80 % +
Growth habit
Appressed-climbing epiphyte.
Support
recommended
Growth speed
Slow
Max size indoors
Max. height with support: 150 cm • Max. spread: 80 cm
Toxicity & safety
Toxic
Origin & habitat
Native to Peru (Huánuco and Tingo María)
Outdoor growing
Outside from 15 °C · sheltered spot
How to read these values
These care values are quick reference points for indoor growing. Use them as a guide, then adjust for pot size, substrate, temperature and how quickly the substrate dries.
For more detail, read the full product description or visit our Plant Care Guides.
- Light: level and approximate lux at leaf level.
- Watering: “% dry” shows how far the substrate should dry before watering again.
- Substrate: structure, drainage, moisture retention, base material and particle size.
- Temperature: “Ideal” shows the preferred range; “Avoid below” marks the cold-stress threshold.
- Humidity: target range; steady conditions usually matter more than exact numbers.
- Growth habit: how the plant grows, such as upright, climbing, trailing, clumping or rosette-forming.
- Support: whether a stake, pole or trellis is needed, optional or unnecessary.
- Growth speed: expected pace under suitable indoor conditions; use as a guide, not a promise.
- Max size indoors: realistic long-term indoor size under good conditions.
- Toxicity & safety: irritation, toxicity or physical hazards such as spines or bristles.
- Origin & habitat: native range, hybrid background or typical habitat where relevant.
- Outdoor growing: when a potted indoor plant can be placed outside and what outdoor protection it needs.
Anthurium longissimilobum
Anthurium longissimilobum is a Peruvian Anthurium species with long, narrow, triangular-subhastate leaves and extended posterior lobes. The blade shape gives the plant a stretched, arrow-like outline as it climbs, with the rear lobes forming a deep sinus behind the main blade.
This is an appressed-climbing epiphyte from the Huánuco region of Peru, where it was described from wet forest transitions around Tingo María. Indoors, its long lobes need space, vertical support and a root zone that stays airy after watering.
Leaf structure of Anthurium longissimilobum
- Leaf architecture: Narrowly triangular-subhastate blades create a long, lean outline.
- Posterior lobes: Very long rear lobes form the feature behind the species name.
- Venation: Primary lateral veins can create a distinctive S-shaped pattern.
- Growth form: Appressed-climbing epiphyte with short internodes.
- Origin: Described from Peru, especially the Tingo María area in Huánuco.
- Growing setup: Benefits from vertical support and a chunky epiphyte-style mix.
Long lobes, climbing growth and space
Anthurium longissimilobum develops its shape through length and narrow leaf architecture. The posterior lobes can extend close to the support, so the plant needs room behind and beside the leaf to keep the blade from creasing.
The climbing stem and short internodes suit a pole, plank or other vertical surface. A stable support keeps the growth upright and gives new leaves space to open without bending the narrow blade or marking the long lobes.
Habitat notes for Anthurium longissimilobum
This species is associated with Peruvian wet forest transitions between Premontane wet forest and Tropical moist forest. That background points to warm conditions, consistent moisture, strong drainage and stable humidity in an oxygen-rich root zone.
Care for Anthurium longissimilobum
- Light: Give bright filtered light. Direct sun can scorch the extended leaf tissue.
- Water: Keep the mix lightly moist, then let excess water drain fully so the root zone stays oxygenated.
- Substrate: Use a coarse Anthurium or epiphyte mix with bark, fibre and mineral structure.
- Support: Provide a pole or plank early so the climbing stem can hold a steady vertical line.
- Humidity: Keep humidity stable while new leaves unfurl, especially as the long lobes extend.
- Temperature: Maintain warm conditions and protect the roots from cold wet substrate.
- Spacing: Leave enough clearance around the plant so the long posterior lobes do not crease or rub.
Common issues with Anthurium longissimilobum
- Marked lobes: Long leaf sections can crease or tear when pressed against shelves, supports or neighbouring plants.
- Distorted new leaves: Raise humidity stability and check that new growth is not caught against the support.
- Root decline: Refresh compact substrate and improve drainage if the pot stays wet for too long.
- Brown patches: Move the plant away from direct sun and check for heat buildup near glass.
- Loose climbing stem: Tie new growth gently before the stem bends away from the support.
Safety for Anthurium longissimilobum
Anthurium longissimilobum contains irritating calcium oxalate crystals. Keep leaves, stems and cut sap away from pets, children and sensitive skin.
Botanical background
Anthurium longissimilobum was described by Croat in 2008. The epithet refers to the very long lobes, a direct match for the extended posterior lobes that shape the leaf.
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.
FAQs about Anthurium longissimilobum
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