Nano Nursery Carnivorous Plant Encyclopedia · Species Profile
Philcoxia maranhensis challenges an easy visual shortcut. The position where a stalk joins a leaf, as well as the outline of that leaf, helps distinguish it within a genus often introduced through its small, rounded foliage.
Name and range
Kew accepts Philcoxia maranhensis Scatigna, published in 2017, and records its native range in Maranhão, Brazil, within the seasonally dry tropical biome. [1]
The original study described it from the Chapada das Mesas in southwestern Maranhão, alongside the newly named P. courensis. [2] Their shared publication is a historical connection; it does not make their habitats or diagnostic structures identical.
A leaf character that matters
The description distinguishes P. maranhensis by non-peltate, heart-shaped leaves and glandular-hairy bracts. [2]
Non-peltate means the leaf stalk is not attached to the inner surface of the blade in the shield-like arrangement described as peltate. Heart-shaped refers to the outline. These are independent observations: a useful description records both where the stalk meets the blade and the shape of the blade itself.
Bracts are modified leaves associated with the flowering structure. Observing hairs on a bract requires a different view from one showing the outline of a ground-level leaf. This is why a set of labelled botanical photographs is often more informative than one general portrait.
Reading a habitat record carefully
Maranhão is a large geographical unit, and a biome category describes a broad setting. Neither locates the precise conditions experienced by the plant. The original locality information therefore adds something that a country or state label cannot. [1] [2]
For a rare-plant encyclopedia, geographical specificity should improve ecological understanding without becoming an invitation to collect. Published habitat descriptions can explain the species while leaving sensitive population locations out of a nursery article.
Conservation: an attributed assessment
The describing authors assessed P. maranhensis as Critically Endangered in their 2017 treatment. [2]
The date and attribution matter. This entry reports their assessment; it does not claim to have verified a current official listing or a new population census. A future revision should compare the underlying evidence, rather than simply replacing one category word with another.
Carnivory and cultivation
The botanical description establishes a species identity and diagnostic characters. It should not be presented as a substitute for a species-specific experiment demonstrating nutrient uptake from prey. No such experiment on P. maranhensis is established in this account.
A 2021 review reported unsuccessful cultivation attempts in Philcoxia. [3] The sources used here do not provide a dependable domestic growing protocol for this species. Consequently, there is no justified basis for specifying an exact potting mix, watering depth, seasonal resting treatment or propagation success rate.
What an illustrated update should show
The most useful future illustrations would show the leaf-stalk attachment, leaf outline and bracts clearly, with a confirmed identification and permission to reproduce the images. A caption should distinguish an observed feature from an interpretation.
For readers, the lasting lesson of P. maranhensis is a practical one: small structural details can change an identification. Looking more carefully at how a leaf is built can be more useful than relying on the general appearance associated with a genus.
Sources and further reading
- Kew: Philcoxia maranhensis
- Scatigna and colleagues, 2017: two new Philcoxia species from the Brazilian Cerrado
- Scatigna and Fleischmann, 2021: Philcoxia review
Research checked 23 September 2026. Natural-history profile. No experimentally validated home-cultivation protocol is claimed.
