Araceae

• genus Amorphophallus

  Genus of large tropical east Asian cormous aroids: devil's tongue; snake p...

• genus Arum

  Type genus of the Araceae: tuberous perennial herbs of Europe and Asia with usually heart-shaped...

• Arisaema

  Tuberous or rhizomatous herbaceous perennials.

• Acorus

  Sweet flags; sometimes placed in subfamily Acoraceae.

• Aglaonema

  Climbing herbs of southeastern Asia having thick fleshy oblong leaves and naked unisexual...

• genus Alocasia

  Tropical Asiatic herbs similar to Colocasia but distinguished by a large sterile...

• genus Anthurium

  Large genus of often epiphytic evergreen tropical American plants often cultivated...

• Arisarum

  Tuberous or rhizomatous perennial herbs; mainly Mediterranean area.

• genus Caladium

  Small genus of tropical South American tuberous perennials with large variously colored...

• Calla

  Water arum.

• Colocasia

  Small genus of perennial tuberous herbs of tropical Asia: taro.

• genus Cryptocoryne

  Water trumpet; aquatic herbs having broad leaves and long slender spathes; often...

• Dieffenbachia

  Evergreen perennial herbs of tropical America with lush foliage and poisonous sap...

• genus Dracontium

  Small genus of tropical American cormous herbs.

• Dracunculus

  Tuberous herbaceous perennials: dragon arum.

• Epipremnum

  Small genus of evergreen lianas of southeastern Asia to western Pacific areas.

• genus Monstera

  Tropical American climbing plant with deeply incised leaves.

• genus Nephthytis

  Small genus of tropical western African creeping or twining herbs.

• Orontium

  One species of aquatic plant: golden club.

• Peltandra

  Small genus of North American marsh or aquatic herbs.

• genus Philodendron

  Any of several tropical American climbing plants with smooth shiny evergreen...

• genus Pistia

  One species: water lettuce.

• Scindapsus

  Evergreen climbers with adhesive adventitious roots; southeastern Asia and Brazil.

• genus Spathiphyllum

  Evergreen rhizomatous perennials of tropical America and Philippines and In...

• Symplocarpus

  One species: skunk cabbage.

• Xanthosoma

  Tropical American tuberous perennials.

• Zantedeschia

  Calla lily.

• Lysichiton

  Skunk cabbage.

• Syngonium

  Epiphytic or terrestrial climbing shrubs of Central and South America; used as ornamental...

Orchidaceae

• genus Arethusa

  Genus of bog orchids of North America and Japan.

• Brassia

  Genus of tropical American epiphytic orchids having striking axillary racemes of yellow...

• genus Caladenia

  Terrestrial orchids of Australia to New Caledonia.

• genus Orchis

  Type genus of the orchid family; hardy terrestrial orchids of the temperate the northern...

• genus Aerides

  Epiphytic orchids of tropical Asia having stiff leaves and fragrant white flowers...

• genus Angrecum

  Genus of tropical Old World epiphytic orchids with showy flowers sometimes grote...

• Anoectochilus

  Genus of delicate Asiatic orchids.

• Aplectrum

  A monocotyledonous genus of the family Orchidaceae.

• genus Bletia

  Genus of tropical American terrestrial orchids with large purple or pink flowers.

• Bletilla

  Small genus of chiefly east Asiatic hardy terrestrial orchids similar to genus Bletia.

• genus Brassavola

  Genus of tropical American epiphytic or lithophytic rhizomatous orchids.

• genus Calanthe

  Large and widely distributed genus of terrestrial orchids.

• Calopogon

  Terrestrial orchids of North America.

• Catasetum

  Genus of tropical American orchids having showy male and female flowers usually on separate...

• genus Calypso

  One species found throughout much of northern North America and Eurasia.

Lemnaceae

• Lemna

  Minute aquatic herbs floating on or below the water surface of still water consisting of a...

• Spirodela

  Minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond...

• Wolffia

  Minute rootless aquatic herbs having globular fronds floating on or near the water surface...

• Wolffiella

  Minute rootless aquatic herbs having flat fronds floating on or below the water surface...

Also contains

• liliid monocot genus

  Genus of monocotyledonous plants comprising mostly herbs having usually petaloid...

• Juncus

  Type genus of the Juncaceae; perennial tufted glabrous marsh plants of temperate regions:...