Pleurothallis is a genus of orchids commonly called bonnet orchids. The genus name is derived from the Greek word pleurothallos, meaning "riblike branches". This refers to the rib-like stems of many species. The genus is often abbreviated as "Pths" in horticultural trade.
Stelis, or leach orchids, is a large genus of orchids, with perhaps 500 species. The generic name Stelis is the Greek word for 'mistletoe', referring to the epiphytic habit of these species. These mainly epiphytic plants are widely distributed throughout much of South America, Central America, Mexico, the West Indies and Florida.
The Pleurothallidinae are a neotropical subtribe of plants of the orchid family (Orchidaceae) including 29 genera in more than 4000 species.
Megachilidae is a cosmopolitan family of mostly solitary bees whose pollen-carrying structure is restricted to the ventral surface of the abdomen. Megachilid genera are most commonly known as mason bees and leafcutter bees, reflecting the materials from which they build their nest cells ; a few collect plant or animal hairs and fibers, and are called carder bees, while others use plant resins in nest construction and are correspondingly called resin bees. All species feed on nectar and pollen, but a few are kleptoparasites, feeding on pollen collected by other megachilid bees. Parasitic species do not possess scopae. The motion of Megachilidae in the reproductive structures of flowers is energetic and swimming-like; this agitation releases large amounts of pollen.
Stelis argentata, commonly known as the silvery stelis, is a species of orchid of the genus Stelis.
Stelis immersa is a species of orchid found from Mexico to northern Venezuela.
Stelis ophioglossoides is a species of orchid found from the Caribbean to northern South America. It is the type species of the genus Stelis.
Stelis ornata is a species of orchid found from Mexico through Guatemala and El Salvador as a miniature epiphyte at elevations of 1500 to 2500 meters above sea level. The plant is characterized by erect ramicauls enveloped by two basal sheaths and carrying a single apical, erect, coriaceous leaf where it blooms on an apical, single successive flowered, 2 inch [4 to 5 cm] long, fractiflex inflorescence that holds the successive opening, single flowers amid or just above the leaves occurring at any time of the year. In cultivation it prefers cool temperatures, shade, and high humidity as well as mounting on tree fern, and good air movement.
Stelis quinquenervia is a species of orchid endemic to western South America.
Megachilinae is a subfamily of bees, the largest subfamily in the family Megachilidae, and includes mason bees, leafcutter bees, and carder bees.
Stelis louisae is a bee in the genus Stelis. It was described by Theodore Dru Alison Cockerell in 1911. Synonyms include Stelis floridana. It is found in the eastern United States. It is active from March to September and has been found on Helianthus.
Stelis is a genus of kleptoparasitic bees in the family Megachilidae. There are at least 100 described species in Stelis.
Stelis costalis is a species of bee in the family Megachilidae. It is found in Central America and North America.
Stelis rudbeckiarum is a species of bee in the family Megachilidae. It is found in Central America and North America.
Stelis lateralis is a species of bee in the family Megachilidae. It is found in Central America and North America.
Stelis gracilis is a species of leach orchid, which is one of the largest genera in the orchid family, with over 600 species. Stelis gracilis are small epiphytes with greenish-white flowers in raceme inflorescences. This rare species of orchid is found in tropical rainforests in North and Central America. It was first described by the American botanist Oakes Ames in 1908.
Stelis megachlamys is a species of orchid plant native to Guatemala, Belize, Costa Rica, Panama, and Mexico.
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