Nervilia peltata is a species of terrestrial orchid in the family Orchidaceae. It is a member of the genus Nervilia, which comprises small, often leaf‑less orchids that produce a single, short‑lived flower followed by the appearance of a solitary, often heart‑ or shield‑shaped leaf.
Taxonomy
- Kingdom: Plantae
- Clade: Angiosperms → Monocots → Asparagales
- Family: Orchidaceae
- Subfamily: Epidendroideae
- Tribe: Nervilieae
- Genus: Nervilia
- Species: N. peltata (Ridl.) Schltr.
The specific epithet peltata derives from the Latin peltatus, meaning “shield‑shaped”, referring to the shape of the plant’s leaf.
Description
* Nervilia peltata* exhibits the characteristic growth habit of the genus: it produces a solitary flower on a short, leafless stem (scapus) that typically emerges directly from the soil or a shallow rhizome. The flower is relatively small (approximately 1–2 cm in diameter), with sepals and petals that are white to pale yellow and a labellum (lip) that may display subtle markings. The flowering period is brief, often lasting only a few days to a week.
After the flower withers, a single, peltate (shield‑shaped) leaf emerges from the base of the plant. The leaf is usually dark green, coriaceous (leathery), and ranges from 3–10 cm in length. The leaf persists for several weeks to a few months before senescing, after which the plant returns to a dormant, leaf‑less state until the next flowering cycle.
Distribution and Habitat
* Nervilia peltata* is native to parts of Southeast Asia and the western Pacific. Reported occurrences include:
- Peninsular Malaysia
- Borneo (Sabah, Sarawak, and Kalimantan)
- Sumatra
- New Guinea
The species inhabits lowland to montane rainforests, typically growing on moist forest floors within leaf litter or among mossy substrates. It prefers shaded, humid conditions and is often found at elevations ranging from sea level to about 1,200 m.
Ecology
Like other Nervilia species, N. peltata is presumed to be mycorrhizal, forming symbiotic relationships with soil fungi that aid in nutrient acquisition, especially during its leaf‑less, dormant phases. Pollination details are not well documented, but small insects such as ants or tiny flies are likely vectors, given the size and brief opening of the flower.
Conservation Status
There is currently no specific assessment of Nervilia peltata on the IUCN Red List. Its habitats are subject to pressures from deforestation, logging, and land‑conversion for agriculture, which may affect local populations. Conservation measures would likely involve protecting primary forest habitats within its range.
References
- Schlechter, R. (1911). Orchidaceae Novae. Repertorium Specierum Novarum Regni Vegetabilis, 8, 147–158.
- Ridley, H.N. (1908). The Orchids of the Malay Peninsula. The Singapore Government Printing Office.
- Flora of Malaysia and Singapore (2020). Orchidaceae section.
Note: Information presented reflects the extent of currently available botanical literature. Further field studies may refine knowledge of the species’ distribution, ecology, and conservation status.
