''Aspidistra grandiflora'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

. ''A. grandiflora'' grows in

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

in dry broad-leaved lowland forests on

karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

outcrop An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth. Features Outcrops do not cover the majority of the Earth's land surface because in most places the bedrock or superficial ...

s with fissures.

Description

This species is a

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herb. Its

rhizome In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

is creeping. Its leaves are solitary, the petiole measuring about ; the

lamina Lamina may refer to: Science and technology * Planar lamina, a two-dimensional planar closed surface with mass and density, in mathematics * Laminar flow, (or streamline flow) occurs when a fluid flows in parallel layers, with no disruption betwee ...

is obovate, measuring , being narrowly cuneate, tapering towards the petiole. Its decumbent peduncle measures long; its flowers are solitary or in groups of 2 or 3; perigone tube is urceolate, twice as wide as high, its diameter measuring up to , counting with 11 or 12 whitish and purplish mottled lobes, each one counting with a basal white appendage. It counts with 11 or 12

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s, while its

anthers The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...

are

subsessile In botany, sessility (meaning "sitting", used in the sense of "resting on the surface") is a characteristic of plant parts (such as flowers and leaves) that have no stalk. Plant parts can also be described as subsessile, that is, not completely ...

and ovoid, each up to long; the

ovar Ovar ( or ) is a city and a municipality in Aveiro District, Baixo Vouga Subregion in Portugal. The population in 2011 was 55,398, in an area of 147.70 km2. It had 42,582 eligible voters (2006). The municipality includes two cities: Ovar (1 ...

is indistinct. The style is long, while the stigma is disc-shaped and is thick, its central part white with 5 purple ribs, with 22-24 teeth.

Distribution

''Aspidistra grandiflora'' is known only from its type locality, in

Mai Châu District Mai, or MAI, may refer to: Names * Mai (Chinese surname) * Mai (Vietnamese surname) * Mai (name) * Mai (singer), J-Pop singer * Iris Mai (born 1962), German chess master Places * Chiang Mai, largest city in northern Thailand * Ma-i, a pre-Hispa ...

, Hòa Bình Province, Vietnam.

References

External links

grandiflora Flora of Vietnam Plants described in 2007 {{Asparagaceae-stub

Description

Distribution

References

Further reading

External links