Indoor plants
Odontoglossum
Odontoglossum
Native to the mountainous regions of Central America. Ovoid flattened pseudobulbs bear rather thin leathery leaves. Inflorescences are long,
Plants
Catalogue of imported encyclopedia entries.
Indoor plants
Oleander
Nerium
A monotypic genus of flowering plants of the family Apocynaceae. A large evergreen shrub with oppositely arranged leathery dark green lanceolate leaves.
Indoor plants
Oncidium
Oncidium
Most Oncidiums are epiphytes with a sympodial growth habit, extremely diverse in structure and size, which is explained by their growing conditions
Indoor plants
Operculicarya
Operculicarya
Another name for Operculicarya is false Japanese pepper, because this plant is very similar to Zanthoxylum, a plant of the Rutaceae family.
Indoor plants
Ophiopogon (Lilyturf)
Ophiopogon
A low evergreen herbaceous plant with a rhizome and tufts of narrow linear leaves that together form a dense turf. It blooms in July–August, producing erect shoots bearing white or lilac flowers gathered into a narrow s…
Indoor plants
Oplismenus or Ostianka
Oplismenus
This is an evergreen trailing plant resembling Zebrina, notable for its originality and exceptional undemanding nature. Ostianka blooms like all grasses, with panicle inflorescences and small flowers. It branches well a…
Indoor plants
Opuntia
Opuntia
Family Cactaceae. Opuntias represent an entire subfamily, the Opuntioideae.
Indoor plants
Orange
Citrus sinensis
An evergreen small tree. Leaves oval-elongated. Petioles with small wing-like appendages. Flowers white, bisexual, fragrant.
Indoor plants
Orange Alstroemeria
Alstremeria aurantiaca D.Don
Perennial plant with tuberous thickened roots. Leaves alternate, thin, linear-lanceolate, up to 10 cm long and 1.5 cm wide, glaucous beneath, with short petioles, below the inflorescence forming a whorl.
Indoor plants
Orbeopsis
ORBEOPSIS
About 10 species are known. Stems are light green, creeping, rooting at points of contact with the soil. Flowers range from yellow to dark purple, about 3 cm in diameter. Dark hairs along the edges of the petals. Unplea…
Indoor plants
Orchids
Orchidaceae
These ornamental flowering plants are placed in a special group. Orchids are perennial herbaceous plants native to tropical countries with hot and temperate climates.