Eyelash Spurflower

Names and Synonyms

Common Names

• Eyelash Spurflower
• Speckled spur-flower

Scientific Names

Accepted name

Synonyms

• Plectranthus natalensis

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is further categorized under the order Lamiales and the family Lamiaceae. Finally, it is identified by its specific genus, Plectranthus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical range that spans across two different continents. Within Southern Africa, it is commonly found growing throughout the Cape Provinces and the Northern Provinces. Its natural distribution also extends to the KwaZulu-Natal region and the country of Eswatini. Interestingly, the species has also established a presence in Australia, specifically within the state of Victoria. This diverse spread highlights the plant's ability to adapt to various environmental conditions.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Plectranthus ciliatus is characterized by its broad distribution across diverse topographical gradients, primarily occupying lowland habitats. This species exhibits a significant vertical range in its distribution, thriving at altitudes starting from as low as 15 m AMSL and extending up to a maximum elevation of 1730 m AMSL. This wide elevational breadth suggests a high degree of ecological plasticity, allowing the plant to adapt to varying environmental conditions and microclimates found between sea level and montane regions.

Elevational range max:

1730 m AMSL

Elevational range min:

15 m AMSL

Habitat :

Lowland

Life history

The life history of Plectranthus ciliatus is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. As a chamaephyte, its regenerative buds are located close to the soil surface, a structural adaptation that helps it maintain its presence within its specific ecological niche. This species maintains an evergreen deciduousness, ensuring that its foliage remains functional and present throughout the year rather than shedding seasonally.

Deciduousness :

evergreen

Life form :

chamaephyte

Lifecycle :

perennial

Morphology

The morphology of Plectranthus ciliatus is characterized by its herbaceous growth form, manifesting as a non-woody herb and forb. This plant is a self-supporting species that does not function as a climber, parasite, or epiphyte, maintaining an independent lifestyle in terrestrial habitats. In terms of stature, it is a relatively low-growing species with a mean plant height of 0.4 m, reaching a maximum height of approximately 0.6 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

0.6 m

Plant height mean:

0.4 m

Woodiness :

non-woody

Physiology

The physiology of Plectranthus ciliatus is characterized by specific morphological dimensions and metabolic attributes that define its vegetative structure. The leaves exhibit a consistent width, maintaining a mean, minimum, and maximum value of 5.2 cm, which indicates a highly uniform lateral expansion across the foliage. In terms of longitudinal development, the leaf length can reach a maximum of 11.2 cm, providing a significant surface area for photosynthetic activity. From a nutritional and metabolic standpoint, the plant does not function as a nitrogen fixer, meaning it lacks the symbiotic mechanisms or specialized structures required to convert atmospheric nitrogen into a bioavailable form, relying instead on the uptake of nitrogenous compounds from the surrounding substrate.

Leaf length max:

11.2 cm

Leaf width mean:

5.2 cm

Nitrogen fixer :

no

Reproduction

The reproduction of Plectranthus ciliatus is characterized by a versatile and unspecialized dispersal syndrome that utilizes multiple vectors, including anemochory, zoochory, autochory, and hydrochory. This lack of specialization suggests that the plant can exploit various environmental mechanisms for seed movement, ranging from wind and water to animal-mediated transport. The morphological characteristics of its fruit are quite minute, with a mean fruit length of 0.2 cm and a mean fruit width of 0.1 cm. Furthermore, its dispersal strategy is broadly categorized as unspecialized, encompassing a wide range of potential pathways such as anthropochory, endozoochory, epizoochory, and myrmecocory, ensuring broad distribution capabilities across diverse habitats.

Dispersal syndrome :

unspecialized

Fruit length mean:

0.2 cm

Fruit width mean:

0.1 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Plectranthus ciliatus has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Cytostatic, Cytotoxic.

Cytostatic

1. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Cytotoxic

1. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Preparations