PlantaeDB Logo
Login Sign-up

Genus Linderniella in Family Linderniaceae

In botanical taxonomy, a genus (plural genera) is a rank used to group closely related species within a family. In the hierarchy, genus sits below family and above species.

Genera are defined by shared morphological, anatomical, and genetic characteristics (for example, features of flowers, fruits, seeds, or leaves) that indicate a close evolutionary relationship among the species they contain.

Each genus can include one or more species. Examples include Rosa (roses) and Solanum (nightshades, including tomato and eggplant).

Do you wish to read more about plant taxonomy? Click here!

Genus Description

Suggest a correction!

Its placement in family Linderniaceae, about eight species are currently recognized (POWO, 2024). The genus is endemic to tropical West and Central Africa, inhabiting lowland rainforest and riverine thickets from sea level to roughly 800 m. The type species designated in the protologue is Linderniella pedunculata (Fischer et al., 2022). These herbaceous perennials form creeping mats and favor moist, shaded microhabitats.

Plants are low‑growing herbs, often mat‑forming; stems are slender, terete and bear opposite, simple leaves with entire margins and a sparse indumentum of unicellular hairs. Flowers are solitary or in short axillary racemes, with a five‑lobed, zygomorphic corolla; the lower lip is reflexed. The superior, bicarpellary ovary has axile placentation and ripens into a loculicidal capsule that releases numerous small, winged seeds.

Species richness peaks in the Guineo‑Congolian forest block, especially Cameroon, Gabon and the Democratic Republic of Congo, where several narrow endemics occupy riparian corridors. One group is restricted to the Lower Guinea highlands, another occurs in the Congo River basin. Elevational records range from 200 to 800 m, reflecting a reliance on humid understorey conditions. WFO (2024) also records isolated populations in the Nigeria–Cameroon border region.

Müller (2021) reported a base chromosome number of x = 8 for several African Linderniaceae, and 2n = 32 was observed in L. pedunculata, confirming a polyploid series. Pollinators are likely small bees or hoverflies that collect pollen from exposed anthers. The capsular fruit dehisces passively, and the membranous seed wings facilitate short‑range wind dispersal.

Molecular phylogenies (Fischer et al., 2022) place Linderniella as a monophyletic group within Linderniaceae, separate from core Lindernia. The authors identified two morphological subgroups but did not erect formal subgenera. Some treatments retain the species in Lindernia, yet POWO (2024) and WFO (2024) accept the segregated genus. APG IV (2016) supports the family placement.

Linderniella has no documented economic use. A few species are cultivated in specialist shade gardens for delicate foliage, but they remain largely unknown to horticulture and do not appear in commercial plant trade. The genus is not listed as invasive.

Habitat loss through logging, agricultural expansion and hydrological alteration threatens many narrow‑endemic species, yet comprehensive IUCN assessments are missing. Targeted field surveys and ex situ conservation are urgent to clarify species limits and protect remaining populations.

Pick a Species to see its components: