Resin-Leaved Yellowhead

Names and Synonyms

Common Names

• Resin-Leaved Yellowhead
• Sticky Psiadia
• resin-leaved yellow-head

Scientific Names

Accepted name

Synonyms

• Baccharis resiniflua
• Psiadia aparine
• Nidorella punctulata
• Psiadia arabica
• Psiadia dodonaeifolia
• Psiadia resiniflora
• Psiadia vernicosa

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Asterales and the family Asteraceae. Finally, it is categorized under the genus Psiadia, specifically as the species Psiadia punctulata.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution concentrated within the African continent. In the northern part of the region, its presence is noted in Libya. Moving toward the northeast tropical zone, it can be found across several distinct territories. Specifically, it inhabits the lands of Djibouti and Eritrea. Finally, its range extends further into the tropical landscapes of Ethiopia and Somalia.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Psiadia punctulata is characterized by its presence within specific altitudinal gradients, thriving in montane or sub-montane environments. This species is typically found distributed across an elevational range that begins at a minimum of 585 m AMSL and extends up to a maximum of 1524 m AMSL. This vertical distribution suggests an adaptation to temperate to subtropical climatic conditions found within these mid-altitude zones, where it occupies specific ecological niches shaped by the varying pressure, temperature, and moisture levels present between these two elevations.

Elevational range max:

1524 m AMSL

Elevational range min:

585 m AMSL

Life history

The life history of Psiadia punctulata is characterized by its status as a perennial plant, allowing it to persist in its environment through multiple growing seasons. As a long-lived species, it maintains a stable presence within its ecological niche, undergoing repeated cycles of vegetative growth and reproductive phases. This perennial nature enables the plant to establish robust root systems and structural longevity, contributing to its sustained existence in its natural habitat over an extended period.

Lifecycle :

perennial

Morphology

The morphology of Psiadia punctulata is characterized by a woody, shrubby growth form that functions as a self-supporting, non-climbing organism. This plant is primarily terrestrial in its habitat, rather than aquatic or epiphytic, and it grows as an independent species without parasitic tendencies. In terms of stature, it reaches a plant height ranging from a minimum of 0.69 m to a maximum of 2 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

2 m

Plant height min:

0.69 m

Woodiness :

woody

Physiology

The physiology of Psiadia punctulata is fundamentally characterized by its utilization of the C3 photosynthetic pathway, a process where carbon dioxide is fixed directly into a three-carbon compound during the initial stage of the Calvin cycle. This metabolic strategy implies that the plant relies on the enzyme RuBisCO to catalyze the carboxylation of ribulose-1,5-bisphosphate, typically occurring under conditions where transpiration and gas exchange are balanced to optimize light harvesting. As a C3 plant, its physiological efficiency is heavily influenced by environmental variables such as temperature, light intensity, and moisture availability, which dictate the rate of photorespiration and overall biomass production. This metabolic framework governs its carbon assimilation patterns, nutrient uptake mechanisms, and the subsequent synthesis of secondary metabolites that define its biochemical profile.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Psiadia punctulata is characterized by the production of extremely minute seeds that facilitate dispersal. Quantitative analysis of its seed morphology reveals a highly lightweight profile, with a recorded mean seed mass of 0.000166667 g. The variation within the seed population is relatively narrow, ranging from a minimum mass of 0.00011 g to a maximum mass of 0.00024 g. This minimal mass suggests an evolutionary adaptation toward efficient distribution, likely through wind or small-scale environmental movement, ensuring the colonization of suitable habitats.

Seed mass max:

0.00024 g

Seed mass mean:

0.000166667 g

Seed mass min:

0.00011 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Psiadia punctulata has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, stem.

Leaf

1. Evidence-based complementary and alternative medicine : eCAM

Stem

1. African journal of traditional, complementary, and alternative medicines : AJTCAM

Chemicals

Psiadia punctulata has 9 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include 5,3'-Dihydroxy-6,7,4',5'-tetramethoxyflavone, Flavonoids, Gardenin A, Gardenin B, Luteolin 3',4'-dimethyl ether.

5,3'-Dihydroxy-6,7,4',5'-tetramethoxyflavone

1. Journal of advanced research

Flavonoids

1. Evidence-based complementary and alternative medicine : eCAM

Gardenin A

1. Journal of advanced research

Gardenin B

1. Journal of advanced research

Luteolin 3',4'-dimethyl ether

1. Journal of advanced research

Phytosterols

1. Evidence-based complementary and alternative medicine : eCAM

Saponins

1. Evidence-based complementary and alternative medicine : eCAM

Tannins

1. Evidence-based complementary and alternative medicine : eCAM

Umuhengerin

1. Journal of advanced research

Conditions

Psiadia punctulata has 13 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include Bacteroides fragilis, COVID-19, Escherichia coli, Fusobacterium nucleatum, Helicobacter pylori.

Bacteroides fragilis

1. Journal of gastrointestinal cancer

Covid-19

1. Plants (Basel, Switzerland)

Escherichia coli

1. Journal of gastrointestinal cancer

Fusobacterium nucleatum

1. Journal of gastrointestinal cancer

Helicobacter pylori

1. Journal of gastrointestinal cancer

Leishmania major

1. African journal of traditional, complementary, and alternative medicines : AJTCAM

Neisseria gonorrhoeae

1. Journal of gastrointestinal cancer

Porphyromonas gingivalis

1. Journal of gastrointestinal cancer

Salmonella enterica

1. Journal of gastrointestinal cancer

Treponema pallidum

1. Journal of gastrointestinal cancer

Preparations

Psiadia punctulata has 8 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include distilled water extract, ethanol extract, ethanolic extracts, extracts, methanol extract.

Distilled water extract

1. Evidence-based complementary and alternative medicine : eCAM

Ethanol extract

1. Evidence-based complementary and alternative medicine : eCAM

Ethanolic extracts

1. Journal of gastrointestinal cancer

Extracts

1. Plants (Basel, Switzerland)

Methanol extract

1. Evidence-based complementary and alternative medicine : eCAM

Methanol extract from aerial parts

1. Journal of advanced research

Methanolic extract

1. Evidence-based complementary and alternative medicine : eCAM

Stem bark methanol extract

1. African journal of traditional, complementary, and alternative medicines : AJTCAM