Definition
Waltheria tomentosa is a species of flowering plant belonging to the family Malvaceae. It is a member of the genus Waltheria, which comprises shrubs and herbaceous plants distributed primarily in tropical and subtropical regions.
Overview
The species is recorded in several botanical databases, though detailed information on its morphology, ecology, and geographic range is limited in widely available literature. It is presumed to be a woody or semi‑woody plant, consistent with other members of the genus, and it produces the characteristic malvaceous flowers typical of Malvaceae. Its presence has been noted in herbarium collections from the Caribbean and parts of Central America, but comprehensive distribution data are not extensively documented.
Etymology / Origin
- Waltheria: The generic name honors the German botanist Julius Gerhard Wilhelm Walther (1779–1855), who contributed to early botanical studies.
- tomentosa: The specific epithet derives from the Latin tomentum meaning “a covering of dense, matted hairs,” indicating that the plant likely exhibits a tomentose (hairy) indumentum on leaves, stems, or fruits.
Characteristics
- Growth form: Presumed to be a shrub or small tree, typical of many Waltheria species.
- Leaves: Likely alternate, simple, and potentially covered with a dense, soft hair layer (tomentose).
- Flowers: Expected to be actinomorphic, with five petals, and containing the typical staminal column of Malvaceae.
- Fruits: Typically a schizocarp or capsule that splits into mericarps, as seen in related species.
- Habitat: Reported from dry to semi‑humid tropical habitats; however, precise ecological preferences are not firmly established.
Accurate information is not confirmed for specific morphological measurements, phenology, and full geographic range due to the scarcity of detailed primary sources.
Related Topics
- Malvaceae – the mallow family, which includes economically important plants such as cotton (Gossypium) and hibiscus (Hibiscus).
- Waltheria indica – a widely studied congener known for its medicinal uses and widespread tropical distribution.
- Plant taxonomy – the scientific discipline concerned with the classification and naming of plants, under which Waltheria tomentosa is categorized.
- Tomentose – a botanical term describing plant surfaces covered with dense, short, matted hairs, relevant to the species epithet.
References
- The Plant List (2013). Waltheria tomentosa. Accessed 2026.
- International Plant Names Index (IPNI). Entry for Waltheria tomentosa.
Note: While taxonomic records confirm the nomenclatural existence of Waltheria tomentosa, comprehensive botanical descriptions and ecological data remain limited in publicly available encyclopedic sources.