Kalanchoe mortagei

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Kalanchoe poincarei var. mortagei
• Bryophyllum mortagei

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Following its placement in the subclass Magnoliidae and the order Saxifragales, it is a member of the family Crassulaceae. Ultimately, its taxonomic identity is defined by its classification under the genus Kalanchoe.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse and widespread geographical distribution across several continents. In South Tropical Africa, it can be found growing in the region of Zimbabwe. Its presence extends to the Western Indian Ocean, specifically within the island of Madagascar. Moving toward Asia, the species is also documented in the Indo-China region of Vietnam. Finally, it reaches the Americas, inhabiting Honduras in Central America and Cuba in the Caribbean.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Morphology

The morphology of Kalanchoe mortagei is characterized by a growth form classified as a herb, exhibiting a non-woody structure throughout its vegetative parts. It functions as a self-supporting organism, lacking the climbing habits of a liana or vine, and is categorized as a self-supporting plant in terms of its structural support. This species is strictly terrestrial in its habitat, showing no aquatic, semiaquatic, or epiphytic tendencies. Furthermore, it maintains an independent life cycle, operating as a non-parasitic plant that does not rely on a host for nutrients.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Kalanchoe mortagei is defined by its specialized adaptations for water conservation and survival in arid environments, most notably through its pronounced succulence. This plant exhibits true succulence, characterized by the development of thickened, fleshy leaves and stems that serve as primary reservoirs for water storage. To manage moisture effectively, the plant utilizes Crassulacean Acid Metabolism (CAM) photosynthesis, a physiological pathway where stomata remain closed during the heat of the day to minimize transpiration and open at night to collect carbon dioxide. This nocturnal gas exchange allows for the temporal separation of CO2 uptake and photosynthetic processing, significantly increasing water-use efficiency. The cellular structure is optimized to maintain high turgor pressure within specialized large vacuoles, allowing the plant to endure prolonged periods of drought by drawing upon its internal aqueous reserves.

Succulence :

yes

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Kalanchoe mortagei has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include caffeic acid, quercetin.

caffeic acid

1. Frontiers in pharmacology

quercetin

1. Frontiers in pharmacology