Flora of Honduras

Haptanthus is a monotypic genus containing the sole species Haptanthus hazlettii, a shrub or small tree known only from the locality of Matarras in the Arizona Municipality in Honduras. Its flowers are unique among the flowering plants. A single "female" (carpellate) flower has two branches on either side which carry "male" (staminate) flowers. The flowers are very simple, lacking obvious sepals or petals. The family placement of the genus has been uncertain but based on molecular phylogenetic research, it is included in the family Buxaceae as of September 2014. Very few individuals have ever

Dioon mejiae is a species of cycad that is native to Honduras. It is found in the departments of Colón, Olancho, and Yoro. Common names include palma teosinte, teocinte, teocinta (female), teocintle, teocsinte, teosinte, tiusinte, and tusinte, all of which mean "sacred ear."

Salvia dorisiana, the fruit-scented sage or peach sage, is a perennial shrub native to Honduras. It grows 1–1.3 m tall, and is heavily branched. The leaves have a fruity scent when brushed, and large magenta-pink flowers that bloom in winter. Salvia dorisiana was first described in 1950, and has become popular as a greenhouse plant. The flowers reach up to 5 cm in length, with a lime-green calyx about the same length. The entire plant is covered in hairs whose glands release a pineapple-grapefruit scent. Salvia dorisiana was named for Doris Zemurray Stone, 1909–1994, archaeologist and

Cryosophila williamsii, also known as Lago Yojoa palm or root-spine palm is a species of flowering plant in the family Arecaceae. It is found only in Honduras. It is threatened by habitat loss. Cryosophila williamsii is named in honor of prominent botanist Louis Otho Williams. The IUCN classified this plant as Critically Endangered, and it is assumed there are 200-270 mature individuals in the wild. Threats to this species include climate change and selective harvesting for ornamental purposes. The species' habitat has been largely converted to agriculture.

Tillandsia kammii is a species in the genus Tillandsia that is native to Honduras, but has also been collected in El Salvador. It was first discovered in Honduras in 1977 in the regions of Olancho, Lempira and Copan. Its common name is Kamm's tillandsia.

Platymiscium albertinae is a species of plant in the family Fabaceae. It is found only in Honduras. It is threatened by habitat loss.

Leucaena lempirana is a species of plant belonging to the Fabaceae family. It is found only in Honduras.

Eugenia coyolensis is a species of plant in the family Myrtaceae. It is endemic to Honduras.

Eugenia lancetillae is a species of plant in the family Myrtaceae. It is endemic to Honduras.

Zamia sandovalii is a species of cycad in the family Zamiaceae.

Viburnum subpubescens is a species of plant in the Adoxaceae family. It is endemic to Honduras.

Viburnum molinae is a species of plant in the Adoxaceae family. It is endemic to Honduras.

Sloanea shankii is a species of plant in the Elaeocarpaceae family. It is endemic to Honduras.

Maytenus williamsii is a species of plant in the family Celastraceae. It is endemic to Honduras.

Lonchocarpus trifolius is a species of plant in the family Fabaceae. It is found only in Honduras.

Ceratozamia hondurensis is a species of cycad in the family Zamiaceae.

Zamia oreillyi is a species of cycad in the family Zamiaceae endemic to Honduras. It occurs in a single location in Atlántida Department, Honduras near Hacienda Agua Caliente, which is about 2 km southwest of Jutiapa.

Hondurodendron is a monotypic genus of tree endemic to Honduras. The only species in the genus, H. urceolatum, was discovered during 2004 and 2006 botanical surveys of plants in Parque Nacional El Cusuco in northwest Honduras. It was subsequently described in 2010 by Carmen Ulloa Ulloa, Daniel L. Nickrent, Caroline Whitefoord, and Daniel L. Kelly in the Annals of the Missouri Botanical Garden. The genus is placed in the family Olacaceae, when the family is circumscribed as in the APG IV system. Other sources place it in the segregate family Aptandraceae. Photographs of this species can be

Berberis standleyi is a shrub in the Berberidaceae described as a species in 1952. It was published with the name Mahonia glauca, a very different plant from Berberis glauca. Thus if one desires to consider Berberis and Mahonia as one genus instead of two, it is necessary to use a different name, i.e. Berberis standleyi. The species is endemic to Honduras.

Zamia onan-reyesii is a species of cycad in the family Zamiaceae endemic to Cortés Department, northern Honduras.

Vochysia aurifera is a species of plant in the Vochysiaceae family. It is endemic to Honduras, in Central America.

Ilex williamsii is a species of plant in the family Aquifoliaceae. It is endemic to Honduras. It is a seldom-collected cloud forest species. The plant is critically endangered as of 1998.

Monstera maderaverde is a species of flowering plant in the genus Monstera in the arum family, Araceae. Its native range is Honduras.

Molinadendron hondurense is a species of flowering plant in the family Hamamelidaceae. It is a tree endemic to Honduras.

Jupunba oxyphyllidia is a species of plant in the family Fabaceae. It is a tree which grows up to 20 meters tall. It is endemic to central Honduras, where it grows in humid montane primary forests, including cloud forests, at approximately 1,900 to 2100 meters elevation. The species is rare with a limited range, and it is subject to habitat loss and fragmentation. It is assessed as critically endangered by the IUCN.

Damburneya roberto-andinoi is a species of plant in the family Lauraceae. It is endemic to Honduras. It is a tree growing up to 15 meters tall. Damburneya roberto-andinoi grows in humid lowland and montane forests in the Chortis Highlands, from 700 to 1,600 meters elevation.

Zamia standleyi (Yojrá unicej) is a species of plant in the family Zamiaceae. It is endemic to Honduras, and is threatened by habitat loss.

Weberocereus imitans, commonly known as fishbone cactus or zig-zag cactus, is an epiphytic cactus native to Costa Rica. Its flower is small compared with the other two "fishbone cacti", Selenicereus anthonyanus and Disocactus anguliger.

Casearia williamsiana is a species of flowering plant in the family Salicaceae. It is endemic to Honduras.

Viburnum hondurense is a species of plant in the Adoxaceae family. It is endemic to Honduras.