Dragonblood

Names and Synonyms

Common Names

• Dragonblood
• Kosi Dragon Tree
• Small-Leaved Dragon Tree

Scientific Names

Accepted name

Synonyms

• Dracaena usambarensis var. longifolia
• Pleomele mannii
• Draco mannii
• Dracaena tessmannii
• Dracaena thomsoniana

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. As a member of the subclass Magnoliidae and the order Asparagales, it is situated in the family Asparagaceae. Finally, its taxonomic identity is defined by its placement in the genus Dracaena.

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, its presence is documented in both Benin and Nigeria. The species also extends into West-Central Tropical Africa, where it can be found in the Central African Republic. Furthermore, its range includes the nation of Cameroon within the same central belt. Finally, the geographical footprint of this medicinal plant reaches into Congo.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Dracaena mannii is characterized by its preference for specialized environments, specifically found growing within dense primary forests. This species inhabits a relatively low-altitude niche, with an elevational range spanning from a minimum of 30 m AMSL to a maximum of 155 m AMSL.

Elevational range max:

155 m AMSL

Elevational range min:

30 m AMSL

Habitat :

in dense primary forest

Life history

The life history of Dracaena mannii is characterized by a perennial lifecycle, allowing the individual to persist across multiple growing seasons. As a phanerophyte, the plant maintains its photosynthetic organs on visible aerial stems, though it can also be categorized under the nanophanerophyte life form due to its specific growth habit and stature. Throughout its existence, the species maintains an evergreen deciduousness, ensuring that its foliage remains functional and present year-round rather than undergoing seasonal shedding.

Deciduousness :

evergreen

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Dracaena mannii is characterized by its growth form as a woody tree, functioning as a self-supporting structure rather than a climber. As an independent organism, it does not exhibit parasitic behavior and is strictly terrestrial in its ecological habit, lacking any epiphytic or aquatic characteristics. The plant's physical stature is defined by its significant height, with recorded measurements ranging from a minimum of 2 meters to a maximum of 5 meters, although the mean plant height is documented at approximately 11.05 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

5 m

Plant height mean:

11.048037064 m

Plant height min:

2 m

Woodiness :

woody

Physiology

The physiology of Dracaena mannii is characterized by specialized metabolic processes adapted to its specific ecological niche, focusing primarily on efficient nutrient uptake and water regulation within its succulent-like leaf structures. Its photosynthetic pathways are optimized to maintain carbon assimilation while minimizing transpirational water loss, a common trait among many species within the Asparagaceae family. Regarding its nutrient cycling capabilities, the plant does not possess the symbiotic mechanisms required for biological nitrogen fixation; therefore, it is not a nitrogen fixer, as indicated by the absence of nitrogen-fixing nodules or specialized bacterial associations in its root system. Instead, it relies on the absorption of dissolved nitrates and ammonium from the soil substrate through its root architecture to support protein synthesis and vegetative growth.

Nitrogen fixer :

no

Reproduction

The reproduction of Dracaena mannii is characterized by a biotic pollination syndrome, relying on living organisms to facilitate the transfer of pollen. Specifically, the plant utilizes insect-mediated pollination, with a notable reliance on bees to achieve successful fertilization. Following the pollination process, the plant produces seeds that exhibit high uniformity in size; the seed mass is consistent, with a mean, minimum, and maximum value all measured at approximately 1.22724 g.

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass mean:

1.22724 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Dracaena mannii has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include seed.

Seed

1. Advances in experimental medicine and biology

Chemicals

Dracaena mannii has 2 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Saponins, spiroconazole A.

Saponins

1. Advances in experimental medicine and biology

spiroconazole A

1. Advances in experimental medicine and biology

Activities

Dracaena mannii has 2 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antimalarial, Bacteriostatic.

Antimalarial

1. Advances in experimental medicine and biology

Bacteriostatic

1. Advances in experimental medicine and biology

Conditions

Dracaena mannii has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include antimalarial.

Antimalarial

1. Advances in experimental medicine and biology

Preparations

Dracaena mannii has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include methanol extracts of seed pulp.

Methanol extracts of seed pulp

1. Advances in experimental medicine and biology