Light
Full sun / direct • ≈ 40–80k lux • Grow light target: DLI 18–30
Araceae
Fenestratarum culum
VAT included · plus
Quick overview of our standard shipping rates, free-shipping thresholds and typical transit times for the countries we currently serve. Remote-area surcharges for certain postcodes are added automatically at checkout where applicable.
For full details, winter shipping rules and packaging information, please visit our Shipping & Delivery page.
| Country | Shipping | Free from | Transit time |
|---|---|---|---|
| Austria | € 12.95 | € 100 | 2–4 working days |
| Belgium | € 8.95 | € 100 | 1–2 working days |
| Bulgaria | € 21.95 | € 300 | 5–7 working days |
| Croatia | € 29.95 | € 300 | 5–7 working days |
| Cyprus (²) | € 39.95 | No free shipping | 5–7 working days |
| Czechia | € 16.95 | € 150 | 2–4 working days |
| Denmark (¹) | € 16.95 | € 150 | 2–4 working days |
| Estonia | € 18.95 | € 200 | 2–4 working days |
| Finland | € 29.95 | € 300 | 5–7 working days |
| France (¹) | € 12.95 | € 100 | 2–4 working days |
| Germany | € 8.95 | € 70 | 1–2 working days |
| Greece (¹²) | € 29.95 | € 300 | 5–7 working days |
| Hungary | € 18.95 | € 200 | 2–4 working days |
| Ireland | € 14.95 | € 150 | 2–4 working days |
| Italy (¹) | € 14.95 | € 150 | 2–4 working days |
| Latvia | € 18.95 | € 200 | 5–7 working days |
| Lithuania | € 18.95 | € 200 | 2–4 working days |
| Luxembourg | € 12.95 | € 100 | 1–2 working days |
| Malta (²) | € 39.95 | No free shipping | 5–7 working days |
| Netherlands | € 8.95 | € 100 | 1–2 working days |
| Norway (³) | € 21.95 | € 300 | 5–7 working days |
| Poland | € 12.95 | € 100 | 2–4 working days |
| Portugal (¹) | € 14.95 | € 150 | 2–4 working days |
| Romania | € 21.95 | € 300 | 5–7 working days |
| Slovakia | € 18.95 | € 200 | 5–7 working days |
| Slovenia | € 18.95 | € 200 | 5–7 working days |
| Spain (¹) | € 12.95 | € 100 | 2–4 working days |
| Sweden | € 18.95 | € 200 | 2–4 working days |
| Switzerland | € 29.95 | € 300 | 5–7 working days |
| United Kingdom (¹³) | € 18.95 | € 200 | 5–7 working days |
Notes
- ¹ Island / remote-area surcharge: added automatically at checkout for affected postcodes, including Sicily, Sardinia, Corsica, Faroe Islands, Azores, Madeira, Balearic Islands, selected Greek island postcodes, Scottish Highlands & islands, and Northern Ireland (BT1–71; BT74–82; BT86–88; BT92–97). Canary Islands: we currently do not ship there.
- ² Cyprus, Greece & Malta: delivery is possible, but courier reliability can vary; arrival times and plant condition cannot be guaranteed. The 28-day guarantee does not apply to plants shipped to these destinations due to unpredictable transit times.
- ³ United Kingdom & Norway: orders ship on Mondays only. Import duties, taxes and fees are payable by the customer (not included) — please check with your local customs authority for details. All required phytosanitary paperwork is included. For the UK and Norway, the 28-day guarantee does not apply to plants due to potential customs delays.
- Curated selection:
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.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
Secure shipping – carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee – if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns – simple, cost-free returns according to our policy.
For full details, please see:
Fenestratarum culumQuick Care Guide
Watering
Water when ~5–15% dry
Potting mix
Gritty • Ultra fast-draining • Mineral-heavy • Fine-medium
Temperature
Ideal: 22–28 °C • Avoid below: 15 °C
Growth habit
small obligate rheophytic herb
Support
none
Growth speed
Slow
Max size indoors
Max. height: 15 cm • Max. spread: 30 cm
Toxicity & safety
Toxic
Origin & habitat
Borneo (Kalimantan); wet tropical biome
How to read these metrics
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
- Light: level + approximate lux at leaf level; DLI is the daily light “dose” for grow lights.
- Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
- Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
- Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.
- Growth habit: growth form (rosette, trailing, climbing) for placement and training.
- Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
- Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
- Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
- Origin & habitat: native region + typical biome/habitat as context.
Fenestratarum culum – Rare Bornean Aroid with Elegant Arching Leaves
Fenestratarum culum P.C. Boyce and S.Y. Wong, described in 2014, is one of the least-known members of the Araceae family. Native to Borneo, this rheophytic species (adapted to flowing water habitats) presents a highly refined appearance with its slender, stiffly arching leaves. The narrow, glossy green blades are only about 5 mm wide, giving the plant a delicate, almost grass-like silhouette that stands out in aroids. With its unique spathe morphology and restricted pollinator access, it is as scientifically intriguing as it is ornamental.
Distinctive Traits of Fenestratarum culum
- Growth Form: Rheophytic perennial, adapted to streamside habitats with fast-moving water.
- Foliage: Stiffly coriaceous, linear leaf blades, glossy deep green, ~5 mm wide, arching in elegant curves.
- Petioles: Distinctly D-shaped in cross-section, supporting the narrow blades.
- Inflorescence: Spathe with a very restricted limb opening, allowing only specialized pollinators to enter.
Where Fenestratarum culum Grows Naturally
This species is endemic to Borneo and restricted to rheophytic habitats along rocky stream margins. Plants root firmly in crevices where water flow is constant, a lifestyle demanding strong, coriaceous leaves that resist tearing. Its ecological niche makes it rare in the wild and unusual in cultivation, appealing to dedicated collectors interested in rheophytic aroids.
Caring for Fenestratarum culum in Cultivation
- Light: Prefers bright, indirect light; protect from direct midday sun to avoid scorch.
- Watering: Keep substrate evenly moist; this species dislikes prolonged dryness due to its streamside origin.
- Substrate: Use an airy, mineral-rich mix with excellent drainage; adding sand, pumice, and organics mimics its natural conditions.
- Humidity: Requires consistently high humidity; thrives in terrariums or controlled greenhouse environments.
- Temperature: Warm-growing; ideal range 22 – 28 °C, avoid drops below 18 °C.
- Fertilizer: Apply diluted balanced feed sparingly during active growth.
Challenges and Considerations
- Rarity: Still scarcely cultivated; growth and care knowledge is limited.
- Moisture Sensitivity: Extended dry periods lead to leaf collapse; overwatering in stagnant conditions causes root rot.
- Growth Rate: Slow, making patience essential for long-term culture.
Why Fenestratarum culum Is Unique
Few aroids combine such minimalistic foliage with such specialized reproductive structures. The extremely narrow blades lend the plant an almost ornamental grass aesthetic, yet its spathe is an evolutionary marvel – a “windowed arum” with a constricted opening that tightly controls pollinator entry. This duality of refined elegance and botanical eccentricity makes Fenestratarum culum a collector’s highlight.
Etymology of Fenestratarum culum
The genus name Fenestratarum is derived from Latin fenestratus (windowed) and Arum, referencing the translucent “window” in the spathe limb. The species epithet culum comes from Latin culus (fundament, sphincter), alluding to the highly restricted spathe limb opening through which pollinators must enter to reach the spadix.
Questions About Fenestratarum culum
- Is Fenestratarum culum suitable for beginners? No, it is best suited to experienced growers familiar with rheophytic aroids.
- Can it be grown in a terrarium? Yes, provided strong airflow, consistent moisture, and high humidity are maintained.
- Does it flower readily in cultivation? Rarely; flowering may occur only in mature, stable plants under optimal conditions.
- Is it toxic? Like most aroids, all parts contain calcium oxalate crystals and should not be ingested.
Bring Fenestratarum culum Into Your Collection
If you’re searching for an aroid that blends elegance with scientific intrigue, Fenestratarum culum is an exceptional choice. With its narrow, glossy leaves and rare rheophytic background, this Bornean rarity adds a distinctive presence to any advanced collection. Secure yours today and cultivate one of the most unusual aroids discovered in recent decades.
Plant Care Basics:
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.
Choose options
Fenestratarum culum
Sale price€39,00
Araceae
VAT included · plus
- Curated selection:
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.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
Secure shipping – carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee – if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns – simple, cost-free returns according to our policy.
For full details, please see:
Fenestratarum culumQuick Care Guide
Light
Full sun / direct • ≈ 40–80k lux • Grow light target: DLI 18–30
Watering
Water when ~5–15% dry
Potting mix
Gritty • Ultra fast-draining • Mineral-heavy • Fine-medium
Temperature
Ideal: 22–28 °C • Avoid below: 15 °C
Growth habit
small obligate rheophytic herb
Support
none
Growth speed
Slow
Max size indoors
Max. height: 15 cm • Max. spread: 30 cm
Toxicity & safety
Toxic
Origin & habitat
Borneo (Kalimantan); wet tropical biome
How to read these metrics
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
- Light: level + approximate lux at leaf level; DLI is the daily light “dose” for grow lights.
- Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
- Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
- Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.
- Growth habit: growth form (rosette, trailing, climbing) for placement and training.
- Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
- Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
- Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
- Origin & habitat: native region + typical biome/habitat as context.
