Philippine species Amesiella philippinensis was known for many years as Angraecum philippinensis. The genus Angraecum is actually restricted to Africa and Madagascar. There are two species in this monopodial genus, with a second species recognised in 1998. Both species are epiphytes which have short spikes bearing up to five disproportionately large crystalline white flowers. Amesiella philippinensis has a prominent yellow blotch on the labellum and occurs at lower altitudes. The more robust Amesiella monticola has larger pure white flowers complete with a differently-shaped, three-lobed labellum and longer spur. This spur is filled with nectar to attract its pollinator, which is probably a moth since the flowers are fragrant at night.
Ascocentrum
The monopodial genus Ascocentrum is a group of small, compact plants consisting of less than ten epiphytic species which have played an important part in the development of vandaceous hybrids. Ascocentrum has been bred with members of the genus Vanda to create the artificial genus Ascocenda. The Ascocentrum has helped introduce bright colours to its progeny, while also reducing the plant size.
Ascocentrum ampullaceum has round, glowing purple flowers and often flowers profusely. Recently, a very rare pure white clone of the species was discovered. White-flowered forms of coloured orchids always demand high prices due to their scarcity. Numbers can be increased by division of older plants, seed and tissue culture. Plants produced by tissue culture, called mericlones, are genetically identical to the parent plant, whereas seedlings may display variation in colour and form. The bright orange Ascocentrum garayi is a popular plant in its native Thailand. For years this species has been confused with the related Ascocentrum miniatum. The miniature Ascocentrum pumilum is endemic to Taiwan.
Ascocentrum ampullaceum
Ascocentrum garayi
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