Flora of Laos

Bulbophyllum stenophyllum is a species of orchid in the genus Bulbophyllum native to Laos.

Bulbophyllum allenkerrii is a species of orchid in the genus Bulbophyllum.

Bulbophyllum sanguineopunctatum is a species of orchid in the genus Bulbophyllum in section Cirrhopetalum.

Bulbophyllum laoticum is a flowering plant in the family Orchidaceae.

Acareosperma is a plant genus in the family Vitaceae. The sole species is Acareosperma spireanum.

Phyllotrichum is a genus of flowering plants belonging to the family Sapindaceae. Its native range is Indo-China. Species: Phyllotrichum mekongense Lecomte

Carex laosensis is a sedge of the Cyperaceae family that is native to Laos.

Xylacanthus is a monotypic genus of flowering plants belonging to the family Acanthaceae. Its native range is Indo-China. It contains a single species, Xylacanthus laoticus.

Laobambos is a genus of bamboo in the family Poaceae. It has only one species, Laobambos calcareus, native to Laos. It is unique among the bamboos in that it has succulent culms, an adaptation to seasonal drought in its karstic habitat.

Ancistrostylis harmandii is a species of flowering plant belonging to the family of Plantaginaceae. It is the sole species in genus Ancistrostylis. It is endemic to Laos.

Hydrodiscus koyamae is a species of flowering plant in the family Podostemaceae. It is the sole species in genus Hydrodiscus. It is an aquatic subshrub endemic to north-central Laos. Hydrodiscus koyamae grows on rocks in seasonally-inundated stream rapids and waterfalls. It roots to rocks with a flattened cylindrical disk, from which many-branched shoots grow out to one meter in length. It is known from only three locations in Phuu Khao Khouay National Park in Bolikhamsai Province of north-central Laos. The type specimen was collected in Tat Luek Nam Tok (Tad Leuk waterfall). The species was

Curcuma graminifolia is a species of flowering plant in the ginger family, Zingiberaceae. It is a rhizomatous geophyte endemic to Laos. The species was first described as Laosanthus graminifolius in 2001, and placed in the monotypic genus Laosanthus. In 2015 it was placed in genus Curcuma as Curcuma graminifolia.

Xylacanthus is a monotypic genus of flowering plants belonging to the family Acanthaceae. Its native range is Indo-China. It contains a single species, Xylacanthus laoticus.

Schmidiella is a genus of grasses. It includes a single species, Schmidiella maxwellii, an annual endemic to Laos. The genus and species were described in 2018 by Jan Frederik Veldkamp, from a sample collected by James Franklin Maxwell, after whom the species is named.

Laosia ramosa is a species of flowering plant belonging to the family Podostemaceae. It is the sole species in genus Laosia. It is endemic to Laos.

Ctenobryum makongense is a species of flowering plant belonging to the family Podostemaceae. It is the sole species in genus Ctenobryum. It is endemic to Laos.

Sonerila bolavenensis is a species of flowering plant in the genus Sonerila first described in May 2021. It is found in the Bolaven Plateau in Laos. It is small and has a height of 1.2–3 cm. It is similar to Sonerila vatphouensis and Sonerila tuberosa.

Schmidiella is a genus of grasses. It includes a single species, Schmidiella maxwellii, an annual endemic to Laos. The genus and species were described in 2018 by Jan Frederik Veldkamp, from a sample collected by James Franklin Maxwell, after whom the species is named.

Hydrodiscus koyamae is a species of flowering plant in the family Podostemaceae. It is the sole species in genus Hydrodiscus. It is an aquatic subshrub endemic to north-central Laos. Hydrodiscus koyamae grows on rocks in seasonally-inundated stream rapids and waterfalls. It roots to rocks with a flattened cylindrical disk, from which many-branched shoots grow out to one meter in length. It is known from only three locations in Phuu Khao Khouay National Park in Bolikhamsai Province of north-central Laos. The type specimen was collected in Tat Luek Nam Tok (Tad Leuk waterfall). The species was

Goniothalamus saccopetaloides is a species of flowering plant from the genus Goniothalamus. It was discovered in Laos in 2020.

Ctenobryum makongense is a species of flowering plant belonging to the family Podostemaceae. It is the sole species in genus Ctenobryum. It is endemic to Laos.

Pinus dalatensis, also known as Vietnamese white pine or Dalat pine, is a species of pine endemic to Indochina. In Vietnam it grows in the mountains of the central and south-central parts of the country at elevations of 1,400 to 2,300 metres (4,600 to 7,500 ft). Only recently confirmed from Laos, the population located within the Nakai-Nam Theun Biodiversity Conservation Area is the largest, at the lowest elevation, and the northernmost of the known populations of P. dalatensis.

Cycas micholitzii is a species of cycad in Vietnam and Laos.

Platanus kerrii (Kerr's plane) is a rare and distinctive species of plane tree (sycamore) native to the tropical forests of Vietnam and Laos in Southeast Asia. It is the only extant member of the subgenus Castaneophyllum, and is the sister group to all other lineages within Platanus. Unlike all other plane trees, P. kerrii is evergreen and retains unlobed leaves throughout its adult life, with none developing the lobed form characteristic of other Platanus species. While some have speculated that P. kerrii might represent a living analogue of ancestral plane trees, no fossil material clearly

Cycas inermis is a flowering plant belonging to the family Cycadaceae. It is native to Laos and Vietnam. Its name in Vietnamese is Thiên tuế or Tuế lá quyết.

Dendrobium lamyaiae is a miniature species of orchid native to Laos and Thailand.

Cycas nongnoochiae is a species of cycad in Thailand. It is found only on limestone outcrops in Tak Fa District, Nakhon Sawan Province, central Thailand.

Bulbophyllum coweniorum is a species of orchid in the genus Bulbophyllum.

Bulbophyllum averyanovii is a species of orchid in the genus Bulbophyllum.

Tetrastigma voinierianum, called chestnut vine and lizard plant, is a species of flowering plant in the genus Tetrastigma, native to Laos and Vietnam, and introduced in Hawaii. It has gained the Royal Horticultural Society's Award of Garden Merit as a hothouse ornamental.