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Calanthe triplicata commonly known as the common Christmas orchid [2] is a plant in the orchid family and is native to Oceania, Asia, Pacific islands, and the islands of eastern Africa. It is a terrestrial orchid that grows in clumps with crowded pseudobulbs , dark green corrugated leaves and up to forty white flowers.
The term pseudobulb is used to distinguish the above-ground storage organ from other storage organs derived from stems that were underground, namely corms or true bulbs, a combination of an underground stem and storage leaves. Strictly speaking, there is no clear distinction between the pseudobulb and corm structures.
Calanthe, commonly known as Christmas orchids, [2] is a genus of about 220 species of orchids in the family Orchidaceae. They are evergreen or deciduous terrestrial plants with thick roots, small oval pseudobulbs , large corrugated leaves and upright, sometimes arching flowering stems.
The genus name (Bulbophyllum) is derived from the Greek bolbos meaning 'bulb' and phyllon, 'a leaf', referring to the pseudobulbs on top of which the leaf grows. [ 9 ] [ 6 ] In 2014, Alec Pridgeon and others proposed merging the genus Drymoda with Bulbophyllum in the Genera Orchidacearum and the change is accepted by Plants of the World Online ...
Dendrobium gracilicaule, commonly known as the blotched cane orchid or yellow cane orchid, [2] is an epiphytic or lithophytic orchid in the family Orchidaceae. It has cylindrical pseudobulbs, between three and seven thin leaves and up to thirty often drooping, cream-coloured to yellow or greenish flowers, sometimes with reddish brown blotches on the back.
Bletilla striata is a terrestrial orchid with pleated, spear-shaped leaves. It breaks dormancy in early spring, with each tuber of the previous year potentially sending out multiple shoots. These growths mature over the course of a couple months and eventually bear 3-7 magenta-pink flowers. [7]
Eulophia graminea, the Chinese crown orchid, is a species of orchid native to Asia. It often develops a pseudobulb . It is considered invasive in Florida and spreads with wood chip mulch. [ 2 ]
These plants are bulbous geophytes with underground tubers or bulbs that annually produce new stems, leaves and flowers. The leaves are amplexicaul and vary from 4 to 7 per plant. The lower leaves are oblong-obovate with obtuse apex, while the upper leaves are lanceolate with acute apex. Size of leaves: width 1 to 2.5 cm, length 6 – 12 cm.