BogTrapsA field guide to growing carnivorous plants

Genus, family Sarraceniaceae

Heliamphora

Marsh pitcher plants (sun pitchers)

Published October 15, 2026Awaiting editor review21 sources

WCVP accepts 20 species of Heliamphora and no named hybrids [1]. All are native to the Guiana Highlands of Venezuela and the neighboring parts of Guyana and Brazil. Most are restricted to tepui summits at 1,200 to 2,800 m (4,000 to 9,200 ft), and a few grow on tepui slopes or other highland areas above 800 m [2]. More than half the species are known only from a single tepui, valley, canyon or upland swamp [3].

Accepted species
20[1]
Named hybrids
0
Trap
Pitfall trap
Profiles here
2

Species profiles

Heliamphora minor

Pitfall trap

A small marsh pitcher plant found only on Auyán-tepui and neighboring Cerro La Luna in Venezuela, with pitchers about 8 to 20 cm long under a tiny, stalked, helmet-shaped nectar spoon.

Heliamphora nutans

Pitfall trap

The first Heliamphora described, from Mount Roraima in 1840. Funnel-shaped pitchers up to about 18 cm tall carry water-loving hairs that make ants slip in, and the flowers nod on tall stalks.

A pitcher with a spoon instead of a lid

Mature Heliamphora form clumps of pitchers that grow from a rhizome, and every pitcher is open to the sky [10]. When George Bentham named the genus in 1840, he noted that its small concave lid does not close over the pitcher the way a Nepenthes lid does [11]. That reduced lid is the nectar spoon: a colored extension at the top of the pitcher, densely covered in nectar glands, and the plant’s main lure for insects [12]. Its shape differs a great deal between species, and the botanists who described several of them treat it as a valuable identification feature [9]:

  • H. minor: a small, strongly helmet-shaped spoon on a narrow stalk [6].
  • H. tatei: a simple, upright, flag-like spoon [6].
  • H. chimantensis: an upright red spoon with patches of glands up to 5 mm across that drew ants and wasps [9].
  • H. folliculata: a spoon fused to the back of the pitcher, forming a hollow nectar chamber that runs 5 to 10 mm down the outside [6].

Bentham built the name from the Greek words for marsh and pitcher [11], and William Baumgartl’s 1993 overview in Carnivorous Plant Newsletter gives its meaning as “marsh pitcher” [10]. “Sun pitcher” comes from reading the first part as the Greek for sun. The closest relative is Sarracenia, the sister genus in a nuclear-DNA phylogeny [3].

How the trap works

A lidless pitcher in a place that gets 2 to 4 cm of rain a day [2] needs a way to shed water. Heliamphora pitchers have a drainage hole, or in one group of species a narrow V-shaped slit down the front seam, that lets surplus rain run out while prey stays inside. The hole is the ancestral form; the slit evolved once [3].

Drainage and trapping are linked. In H. nutans, the upper inner wall carries inward-pointing hairs that wet completely, and the drainage hole sits just above the lower edge of this hairy zone, so the hairs wick water up from the pool. On the wet hairs, ants lose the grip of their adhesive foot pads. In tests at Kew, wetting the hairy zone raised the share of visiting ants that fell in from 29% to 88% [13]. Field work by Klaus Jaffe and colleagues, summarized by Don Schnell, shows the same link: pitchers stopped catching prey when their fluid ran low after dry weather and resumed once water was added. Over nine years on eleven tepuis, the team found that tall H. tatei pitchers caught mostly mosquitoes and other flies while the smaller species caught mainly ants, and that prey was scarce on Roraima and plentiful on Auyán-tepui [7].

Who does the digesting is still debated. The long-standing view is that the pitcher fluid differs little from rain water and that most species depend on bacteria and other pitcher inhabitants to break prey down [14, 15]. Jaffe’s team found the plant’s own protein-digesting enzymes only in H. tatei, and only in some stands [7]. A 2026 study challenges that picture: fed pitchers of H. parva, H. neblinae and the hybrid H. heterodoxa × minor all secreted plant-made enzymes, among them proteases, a chitinase and a phosphatase. Activity was low, and the authors suggest that heavy rain in the open pitchers may dilute it in the wild [16].

Life on the tepuis

Tepuis are sandstone plateaus that rise hundreds of meters above the surrounding land. Although they lie a few degrees north of the equator, their summits generally stay between 7 and 23 °C (45 and 74 °F) and rarely freeze. The “soil” is sand, rock and decomposed plant matter, and Heliamphora are patchy even where conditions look ideal [2]. On the Roraima chain, Baumgartl found mature plants adding only three or four leaves a year [10]. Closely related species tend to live near one another, and only a few reach lower ground: H. heterodoxa and H. glabra extend down to about 1,200 m [3].

Species counts differ by source. WCVP accepts 20 [1]. The 2011 monograph by McPherson and colleagues recognized 23, and the description of H. electrum in 2024 raised that count to 24 [5]. Part of the gap is how names are grouped: WCVP, for example, treats H. macdonaldae and H. tyleri as part of H. tatei [1].

Why tepui conditions matter in cultivation

The ICPS guide says Heliamphora can be among the easier or the harder carnivorous plants, depending on the conditions you can provide; they are tough, cope with cool house temperatures and grow well under artificial light [2].

Factor On the tepuis What the ICPS guide asks for
Air temperature Generally 7 to 23 °C (45 to 74 °F) [2] Plants tolerate up to 30 °C (86 °F); large plants can die after long spells above 26 °C (79 °F) [2]
Root temperature 16 to 20 °C (60 to 68 °F), measured by Jaffe and colleagues [2] Keep the soil from heating up by day; then night cooling is not needed [2]
Water About 2 to 4 cm of rain a day [2] Pure water such as reverse osmosis; never let the soil dry out [2]
Humidity Frequent rain and mist [10] Above 70% in the room, or else a terrarium [2]
Light Full sun to shaded crevices; sun-exposed plants are smaller and more intensely colored [10] At least 20 W of LED light or 1,200 lumens per square foot (about 30 × 30 cm) for 15 hours a day, 10 to 15 cm above the plants, in a reflective enclosure [2]

Heat is the main killer. The ICPS guide reports experiments by Andreas Fleischmann with a fungus that lives in the water-conducting tissue of wild and cultivated plants: infected plants kept at a constant 28 °C (82 °F) and high humidity died in under 10 days. Reused soil, contaminated ingredients and overhead watering spread it [2]. Butch Tincher sees plant health fall off when temperatures stay above 24 °C, and growers have long linked outbreaks of “Heliamphora sudden death” to temperatures above 26 °C [17].

Growers disagree about night cooling. The ICPS guide calls it unnecessary as long as the soil stayed cool during the day [2]. Brian Barnes, growing in Florida terrariums at 25 to 28 °C by day, waters with chilled water before lights-out and finds that H. hispida, H. ionasi, H. neblinae and H. elongata need a larger night drop than other species [8].

Light, water, soil and food. ICPS puts Heliamphora among the plants that need intense light, about 15,000 to 25,000 lux [18]. Pitchers need light from the sides as well as from above [2], and in weak light the retentive hairs inside them may barely develop [5]. The ICPS guide asks for pure water, while Tincher prefers 10 to 20 ppm of dissolved solids and finds the plants not very fussy [2, 17]. Most North American growers use Tincher’s equal parts long-fibered sphagnum, perlite and aquatic plant soil [2, 17]. In those low-organic mixes the plants need fertilizer to grow well. Feeding into adult pitchers is the guide’s preferred method, and too much fertilizer in the soil is one of the easiest ways to kill a plant [2]. See the light, terrarium and feeding guides for the details.

Good first plants

The easiest Heliamphora are hybrids and the generic selections of H. heterodoxa, H. nutans and H. minor, and the ICPS guide says beginners should start with these [2]. Barnes recommends the hybrid H. heterodoxa × minor as a hardy first plant [8]. The genus has been in cultivation for over 130 years, but plants became readily available only in the 1990s, once clones were multiplied in sterile culture [2]. Two starter species have their own profiles: Heliamphora minor, the small species of Auyán-tepui, and Heliamphora nutans, the first species described.

Propagation in brief

Healthy plants divide naturally, especially when they flower. Divide when temperatures are relatively low, avoiding late spring and summer if your plants get warmer than 26 °C. Juvenile leaves can be pulled and rooted, which takes 6 months to a year [2]. Each flower’s stigma is receptive before its own pollen is ripe, so growers move pollen from an older flower to a newly opened one; seed pods ripen in 6 to 12 weeks, and the seed needs no cold stratification [19]. Seedlings grow very slowly unless raised in sterile culture [2]. The seed-sowing guide covers the general method.

Protection

Remote summits have so far kept most species out of harm’s way, but a warming climate is expected to push suitable habitat 300 to 600 m upslope, and species confined to small, lower summits could be left with nowhere to go [3]. When describing H. electrum, Golos and colleagues provisionally judged it Endangered under IUCN criteria; that is the authors’ assessment, not a Red List entry [5].

The Roraima range, the Chimantá massif and Auyán-tepui lie within Venezuela’s Canaima National Park, created in 1962. IUCN’s 1994 evaluation of the park for World Heritage status names Heliamphora among the carnivorous plants typical of the tepui vegetation. It found the tepui portion in a relatively natural state, while fires, mining outside the park and tourism affected the savanna zone [20]. On the summits themselves, Baumgartl warned that a few hikers crossing a Heliamphora bog can cause damage that takes a year to recover [10]. The ICPS condemns collecting plants from the wild, especially when nursery-grown plants are available [21].

Heliamphora species on this site

Profiled species link to their own page. The others are listed with a short sourced note because the published information is not yet enough for a full profile. Native ranges come from the World Checklist of Vascular Plants. The IUCN column links to each species' Red List assessment where one exists; this site does not reproduce Red List categories.

Select a column heading to sort. A dash in the IUCN column means no assessment is linked.
SpeciesNative range (WCVP)IUCN Red ListClimate groupNotes
Heliamphora chimantensis Wistuba, Carow & HarbarthVenezuelaTropical highlandDescribed in 2002 from valleys at around 2,000 m on the Chimantá Massif, where it forms clumps several meters across and hybridizes with H. pulchella (reported in 2002 as H. minor) [9, 4].
Heliamphora folliculata Wistuba, Harbarth & CarowVenezuelaTropical highlandWhen described in 2001, known only from the four tepuis of the Aparaman (Los Testigos) group; its nectar spoon is fused to the back of the pitcher as a hollow nectar chamber, a structure unknown elsewhere in the family [6].
Heliamphora heterodoxa Steyerm.VenezuelaTropical highlandOne of three species ICPS suggests for beginners; grows on Ptari-tepui and down to about 1,200 m in the Gran Sabana. Its type specimen is now thought to be a hybrid, though the name stays in use for the widely accepted concept of the species [2, 3, 4, 5].
Heliamphora ionasi MaguireVenezuelaTropical highlandPitchers reach about 50 cm, probably the largest in the genus by volume; in Barnes's Florida terrariums it needed a bigger night-time temperature drop than most species [5, 8].
Heliamphora minor GleasonVenezuelaTropical highland
Heliamphora nutans Benth.Brazil North, Guyana, VenezuelaTropical highland
Heliamphora pulchella Wistuba, Carow, Harbarth & NerzVenezuelaTropical highlandThe long-bristled plants of the Chimantá and Aprada massifs that older literature called H. minor; ICPS notes it forms clumps more readily than most species [4, 2].
Heliamphora tatei GleasonVenezuelaTropical highlandTall pitchers with an upright, flag-like nectar spoon that mainly catch mosquitoes and other flies; the one species in which Jaffe and colleagues found the plant's own digestive enzymes [6, 7]. WCVP includes H. macdonaldae and H. tyleri in it [1].

Guides that cover Heliamphora

Sources

  1. Heliamphora Benth.: World Checklist of Vascular Plants genus record (via GBIF). Royal Botanic Gardens, Kew; dataset published 2026-06-04, CC BY 4.0. Accepted species in the checklist: 20 (plus 0 named hybrids). Accessed October 12, 2026.
  2. Growing Heliamphora. International Carnivorous Plant Society (John Brittnacher, 2013). Range and elevations, tepui temperatures and rainfall, heat limits, vascular fungus, light, humidity, water, soil mixes, fertilizing, beginner species, division, leaf pullings, seed. Accessed October 12, 2026.
  3. Phylogeny and biogeography of South American marsh pitcher plant genus Heliamphora (Sarraceniaceae) endemic to the Guiana Highlands. bioRxiv preprint (2020) by S. Liu and S. D. Smith; peer-reviewed version in Molecular Phylogenetics and Evolution 154: 106961 (2021). Sister to Sarracenia; drainage hole ancestral, slit in one clade; endemism; lowland species; warming threat. Accessed October 12, 2026.
  4. Taxonomía de Heliamphora minor Gleason (Sarraceniaceae) del Auyán-tepui, incluyendo una nueva variedad. Acta Botánica Venezuelica 34(1): 1-11 (2011), by A. Fleischmann and J. R. Grande Allende (SciELO Venezuela). Plants from Chimantá and Aprada once called H. minor belong to H. pulchella or H. chimantensis. Accessed October 12, 2026.
  5. Heliamphora electrum (Sarraceniaceae), an enigmatic species of marsh pitcher plant from the Sierra de Lema of Venezuela. Carnivorous Plant Newsletter 53(1): 4-51 (2024), by M. R. Golos, J. Nerz, F. S. Mey and A. Wistuba. 24 recognized species; status of H. heterodoxa; H. ionasi pitcher size; hairs underdeveloped in low light; provisional Endangered assessment of H. electrum. Accessed October 12, 2026.
  6. Heliamphora folliculata, a new species of Heliamphora (Sarraceniaceae) from the 'Los Testigos' table mountains in the south of Venezuela. Carnivorous Plant Newsletter 30(4): 120-125 (2001), by A. Wistuba, P. Harbarth and T. Carow (ICPS transcription). H. folliculata nectar chamber and range; nectar spoon shapes in H. minor and H. tatei; scarce prey on tepui summits. Accessed October 12, 2026.
  7. Heliamphora: the nature of its nurture. Carnivorous Plant Newsletter 24(2): 40-42 (1995), by Don Schnell. Summary of Jaffe et al. (1992): prey by species and tepui, water level and trapping, enzymes only in some H. tatei. Accessed October 12, 2026.
  8. Growing Heliamphora indoors year-round. Carnivorous Plant Newsletter 39(1): 26-27 (2010), by Brian Barnes. Start with H. heterodoxa x minor; chilled water at night; species needing a larger night drop. Accessed October 12, 2026.
  9. Heliamphora chimantensis, a new species of Heliamphora (Sarraceniaceae) from the 'Macizo de Chimanta' in the south of Venezuela. Carnivorous Plant Newsletter 31(3): 78-82 (2002), by A. Wistuba, T. Carow and P. Harbarth (ICPS transcription). H. chimantensis habitat, clumps, gland patches on the lid; lids as taxonomic characters. Accessed October 12, 2026.
  10. The Genus Heliamphora. Carnivorous Plant Newsletter 22(4): 86-92 (1993), by William Baumgartl. Name means marsh pitcher; tepui conditions; slow growth on the Roraima chain; damage from trampling. Accessed October 12, 2026.
  11. On the Heliamphora nutans, a new pitcher-plant from British Guiana. Transactions of the Linnean Society of London 18: 429-433, by George Bentham (Biodiversity Heritage Library scan via Internet Archive). Original description of the genus: Roraima collection, small lid that does not close, origin of the name. Accessed October 12, 2026.
  12. Recruitment of sugar transport and scent volatile genes for prey attraction in the nectar spoon of Heliamphora tatei. Evolution & Development 27(2): e70009 (2025), by S. Liu and S. D. Smith (doi:10.1111/ede.70009). The nectar spoon as a nectary-covered extension of the pitcher used for prey attraction. Accessed October 12, 2026.
  13. 'Insect aquaplaning' on a superhydrophilic hairy surface: how Heliamphora nutans Benth. pitcher plants capture prey. Proceedings of the Royal Society B 280: 20122569 (2013), by U. Bauer, M. Scharmann, J. Skepper and W. Federle (doi:10.1098/rspb.2012.2569). Wettable inward-pointing hairs, ant capture rising from 29% to 88% when wet, drainage hole position. Accessed October 12, 2026.
  14. Traps of carnivorous pitcher plants as a habitat: composition of the fluid, biodiversity and mutualistic activities. Annals of Botany 107: 181-194 (2011), by W. Adlassnig, M. Peroutka and T. Lendl (doi:10.1093/aob/mcq238). Heliamphora fluid differs little from pure water; genera without efficient enzymes depend on pitcher organisms. Accessed October 12, 2026.
  15. Carnivorous Plant Digestion and Nutrient Assimilation. International Carnivorous Plant Society. Most Heliamphora rely on other organisms for digestion; some use their own enzymes as well. Accessed October 12, 2026.
  16. The liquid from carnivorous marsh pitcher plants (Heliamphora sp.) contains endogenous enzymes for prey digestion. Planta (2026), by A. Pavlovič, T. Kalmusová, I. Chamrád and R. Lenobel. Plant-made digestive enzymes in H. parva, H. neblinae and H. heterodoxa x minor (abstract read via Europe PMC). Accessed October 12, 2026.
  17. My techniques for the indoor cultivation of Heliamphora. Carnivorous Plant Newsletter 42(4): 137-144 (2013), by Butch Tincher. 1:1:1 soil mix, water of 10 to 20 ppm, decline above 24 °C, sudden death and 26 °C, Trichoderma. Accessed October 12, 2026.
  18. LED Plant Lighting. International Carnivorous Plant Society. Heliamphora need intense light (about 15,000 to 25,000 lux of white light); narrow spotlights do not suit pitcher plants. Accessed October 12, 2026.
  19. Pollination of Heliamphoras. Carnivorous Plant Newsletter 24(1): 23-24 (1995), by Don Schnell. Protogynous, bee-buzzed flowers; hand pollination; seed pods in 6 to 12 weeks; no stratification. Accessed October 12, 2026.
  20. World Heritage nomination, IUCN summary and technical evaluation: Canaima National Park (Venezuela). IUCN / World Conservation Monitoring Centre, 1994 (UNESCO World Heritage Centre archive). Park created 1962; covers the Roraima range, Chimantá and Auyán-tepui; tepui flora includes Heliamphora; threats in the savanna zone. Accessed October 12, 2026.
  21. Conservation Policies. International Carnivorous Plant Society. ICPS condemns field collection as unethical. Accessed October 12, 2026.