Nano Nursery Carnivorous Plant Encyclopedia · Species Profile
The description of Philcoxia cachimboensis in 2024 changed the known geographical picture of its genus. It also explains why a modern encyclopedia should not repeat older lists of seven species without checking their date.
Name and significance
Kew's current checklist accepts Philcoxia cachimboensis Scatigna & Lopes-Neto and includes eight species in the genus. [1] The describing paper records the first Philcoxia from the Brazilian Amazon, in Serra do Cachimbo, Pará. [2]
A newly described species is not necessarily a newly evolved plant. Description formalises a scientific recognition, supported by specimens and distinguishing characters. Earlier material can acquire a more precise identity when it is compared with that description.
The characters that distinguish it
The authors emphasise asymmetrical lateral corolla lobes, unequal stigma lobes and corm-like root-borne buds. These features help separate it from the similar P. minensis. [2]
The corolla is the petal structure; the stigma is the pollen-receptive part of the flower. Their shapes are different kinds of evidence from overall plant size or colour. A photograph that shows only a lilac bloom may conceal the details needed for identification.
The below-ground structures present another challenge. They should be studied through the published description and authorised specimens, rather than by uprooting a plant merely to confirm what a picture appears to show.
Habitat and seasonal records
The 2024 paper reports sandy grassland at two collecting localities in Serra do Cachimbo, and flowering and fruiting collections from May and December. [2]
Those observations establish when particular specimens were collected in reproductive condition. They do not define a complete flowering calendar, and they should not be converted into Australian flowering months. A calendar suitable for cultivation would need repeated observations under the relevant conditions.
What Data Deficient means here
The authors proposed Data Deficient because the available distribution records were insufficient for an adequate assessment. One historical specimen lacked coordinates needed for range calculations. [2]
Data Deficient is an expression of insufficient evidence, not a synonym for safe, widespread or unthreatened. The appropriate response is to improve records and investigate habitat, rather than fill the gap with a confident category. This profile reports the authors' 2024 assessment proposal; it does not claim that a later formal assessment has been verified.
Carnivory and cultivation evidence
Membership of Philcoxia places the species in a genus with demonstrated carnivory, but the nutrient-tracing experiment most often cited concerns P. minensis. [3] This entry does not claim that the same experiment was performed on P. cachimboensis.
No validated home-growing or propagation protocol was established in the sources reviewed for this species. A habitat description is a basis for further research, not enough information to prescribe a potting mix, winter rest or feeding schedule.
Why this species belongs in the encyclopedia
It demonstrates how an accepted-species list can become outdated even when the older information was accurate when written. A useful reference retains the date of a checklist and incorporates subsequent descriptions without discarding the evidence behind earlier work.
For readers comparing names, the accepted species is the entry to follow. The phrase 'Amazonian Philcoxia' is a geographical description, not an additional taxon or a cultivar name. Its value is in explaining the discovery, not multiplying identities.
Sources and further reading
- Kew: current accepted Philcoxia checklist
- Lopes-Neto and colleagues, 2024: original description of Philcoxia cachimboensis
- Pereira and colleagues, 2012: nutrient uptake demonstrated in Philcoxia minensis
Research checked 23 September 2026. Natural-history profile. No experimentally validated home-cultivation protocol is claimed.
