Pycnocoma cornuta

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is categorized under the order Malpighiales. Finally, it is classified under the family Euphorbiaceae and the genus Pycnocoma.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution pattern across several regions of the African continent. In West Tropical Africa, it can be found growing in the nations of Ghana and Nigeria. Its range extends further into West-Central Tropical Africa as well. Within this central region, the species is documented in the Central African Republic and Congo. Additionally, its geographical presence includes the country of Gabon.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Pycnocoma cornuta is characterized by its status as a perennial plant, ensuring its long-term presence within its ecological niche through multiple growing seasons. As a phanerophyte, it maintains its stem structures above the ground level, though it specifically exhibits the growth habit of a nanophanerophyte, meaning its woody stems are kept relatively low to the surface. This species follows a deciduous pattern, shedding its foliage seasonally as part of its natural growth cycle.

Deciduousness :

deciduous

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Pycnocoma cornuta is characterized by a woody growth form, functioning as a self-supporting shrub. This plant typically reaches an average height of approximately 3 m and maintains an independent life cycle, as it is not a parasite. Furthermore, it is classified as a terrestrial species, growing directly in the soil rather than as an epiphyte.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height mean:

3 m

Woodiness :

woody

Physiology

The physiology of Pycnocoma cornuta is characterized by specialized metabolic processes adapted to its specific ecological niche, particularly regarding its nutrient acquisition strategies. In terms of its nitrogen cycle involvement, the plant does not function as a nitrogen fixer; it lacks the symbiotic relationship with diazotrophic bacteria, such as Rhizobium, required to convert atmospheric nitrogen into bioavailable forms. Consequently, its physiological reliance is placed on the uptake of nitrates or ammonium directly from the soil substrate through its root system to support protein synthesis and cellular development. The plant's metabolic framework is geared toward efficient resource management within its habitat, balancing carbon fixation via photosynthesis with the assimilation of available soil nutrients to maintain homeostasis and drive growth.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Pycnocoma cornuta has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include CNS-Active.

CNS-Active

1. Journal of ethnopharmacology