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Orchid seeds are very small (0.35mm to 1.50mm long), spindle-shaped, and have an opening at the pointed end. [5] Each seed has an embryo that is undifferentiated and lacks root and shoot meristems. [3] An orchid seed does not have enough nutritional support to grow on its own, and lacks endosperm. [2]
A Phalaenopsis flower. Orchids are easily distinguished from other plants, as they share some very evident derived characteristics or synapomorphies.Among these are: bilateral symmetry of the flower (zygomorphism), many resupinate flowers, a nearly always highly modified petal (labellum), fused stamens and carpels, and extremely small seeds.
Phalaenopsis (/ ˌ f æ l ɪ ˈ n ɒ p s ɪ s /), also known as moth orchids, [2] is a genus of about seventy species of plants in the family Orchidaceae.Orchids in this genus are monopodial epiphytes or lithophytes with long, coarse roots, short, leafy stems and long-lasting, flat flowers arranged in a flowering stem that often branches near the end.
Phaius orchids, also known as "nun's cap orchids," can grow up to 4 feet tall. They have large leaves at their base and flowers that come in colors like white, pink, red, and purple.
Phalaenopsis, or moth orchids, fall into this category, as do vanda orchids. Sympodial orchids grow from a rhizome or bulb and have multiple root systems. Cattleyas and oncidiums fall into this ...
Ophrys like other orchids are dependent on symbiotic fungi at some point during their life cycle, but especially for germination, which may take months or even years underground. Orchid roots contain orchid mycorrhiza , coils of fungal hyphae inside orchid root cells.
The areas which most epiphytes grow are the montane rainforests. Epiphytic orchids are found on many positions of the host tree, depending on species requirements and size, some large species will grow in a fork, whereas some small species scramble through thin branches, other species will climb up the trunk etc. etc.
Here are the best types of orchids you can grow indoors or out. Choose from easy to care for varieties or more exotic flowers, and learn how to care for them. With more than 25,000 species ...