Cornflower Vernonia

Names and Synonyms

Common Names

• Cornflower Vernonia

Scientific Names

Accepted name

Synonyms

• Vernonia glabra

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Asterales, it is classified under the family Asteraceae. Finally, it is identified by the genus Linzia and the specific species name glabra.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across various regions of the African continent. In West-Central Tropical Africa, its presence is documented in Cameroon and the DR Congo. Moving towards East Tropical Africa, the species can be found in Kenya and Tanzania. Additionally, the plant extends its range into South Tropical Africa, specifically within Angola. This diverse spread highlights its ability to thrive in multiple tropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Linzia glabra is characterized by its classification as a therophyte, a life form defined by its annual lifecycle where the plant completes its entire developmental process from germination to seed production within a single growing season. As a therophyte, it survives unfavorable environmental periods in the form of resistant seeds, which remain dormant in the soil until conditions become optimal for growth. This strategy allows the species to exploit transient periods of moisture and nutrient availability, ensuring that the vegetative structures do not need to persist through harsh seasonal changes. Its biological cycle is marked by rapid growth, flowering, and seed dispersal, effectively bypassing the need for perennial structures such as woody stems or underground rhizomes.

Life form :

therophyte

Morphology

The morphology of Linzia glabra is characterized by a herbaceous growth form, functioning primarily as a non-woody herb. This species exhibits a terrestrial habit, distinguishing it from aquatic or semiaquatic lifestyles, and it grows as an independent organism rather than acting as a parasite or an epiphyte. In terms of structural support, it is classified as a self-supporting plant, possessing neither obligatory nor facultative climbing mechanisms such as lianas or vines. The plant reaches a maximum height of approximately 1.524 meters, maintaining a stature consistent with its non-woody, herbaceous classification.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

1.524018532 m

Woodiness :

non-woody

Reproduction

The reproduction of Linzia glabra is characterized by specific seed morphology and a specialized dispersal strategy. The seeds produced by this species exhibit a relatively light mass, with values ranging from a minimum of 0.00251 g to a maximum of 0.00465 g, resulting in an average seed mass of approximately 0.00355 g. Regarding its dispersal mechanism, the plant utilizes an anemochorous syndrome, meaning the seeds are primarily dispersed by the action of wind to colonize new areas.

Dispersal syndrome :

anemochorous

Seed mass max:

0.00465 g

Seed mass mean:

0.00355333333333333 g

Seed mass min:

0.00251 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Linzia glabra has 4 reported plant parts identified across 4 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include flower, leaf, root, stem.

Flower

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

Leaf

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

Root

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

Stem

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

Chemicals

Linzia glabra has 2 reported phytochemicals identified across 4 scientific publications and several other databases. The most consistently reported chemicals include Sapogenins, Terpenoids.

Sapogenins

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

Terpenoids

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

Preparations

Linzia glabra has 1 reported preparations identified across 4 scientific publications and several other databases. The most consistently reported preparations include crude extracts.

Crude extracts

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