Bulbophyllum micranthum, also called as The Small Flowered Bulbophyllum is found growing on trees in mountainous region and "cerrado" area...
Bulbophyllum micranthum, also called as The Small Flowered Bulbophyllum, Phyllorkis micrantha, is a species of the genus Bulbophyllum. This species was described by João Barbosa Rodrigues in 1877.
IDENTIFY BULBOPHYLLUM MICRANTHUM - THE SMALL FLOWERED BULBOPHYLLUM
Bulbophyllum micranthum is native to Southeast Brazil (to Paraná). It is found growing on trees in mountainous region and "cerrado" area of States of Minas Gerais, Paraná, Rio de Janeiro and São Paulo.
It is a mini-miniature sized epiphyte. The pseudodbulbs are close set, ovoid-conical, tetragonal. The single leaf is apical, erect, coriaceous, elliptic-oblong, acute, narrowing below into the base.
The Small Flowered Bulbophyllum blooms in the fall from the basal, erect, 8 cm long, laxly, to 30-flowered inflorescence. The flowers are less than 1 cm in size. The petals and sepals are cream or white. Sometimes, it can be finely barred with red-brown. The lip is yellow.
BULBOPHYLLUM MICRANTHUM - THE SMALL FLOWERED BULBOPHYLLUM CARE AND CULTURE
Cultural information should only be used as a guide, and should be to be adapted to suit you. Your physical location; where you grow your plants, how much time you have to devote to their care, and many other factors, will need to be taken into account. Only then can you decide on the cultural methods that best suit you and your plants.
Light:
Bulbophyllum micranthum need intermediate light about 15000-20000 lux. Higher light, that does not damage the leaves, seems to result in better and more frequent blooming. They can be grown indoors providing they receive good light.
Temperature:
The Small Flowered Bulbophyllum require warm temperatures from 21-27°C but will be comfortable in a temperature range of 10 to 35°C. They will not tolerate frosts. They need a temperature drop of about 6-8°C at night for flowering.
Humidity:
The plant prefer high levels of humidity (about 70%) and very good air circulation year round. Good air movement is important to reduce the problem of leaf fungal disease due to frequent watering.
Substrate, growing media and repotting:
Bulbophyllum micranthum can be grown mounted on slabs of cork or tree fern. However, the species can be grown in shallow pots, or even baskets. One requirement is to retain enough moisture at the root, as the plant don’t like to dry out. The rhizome can be trained to stay in the pot by bending them, eventually cutting the old bulbs and leaving them in place, so they will provide additional growth in the pot. Sphagnum has been popular because it retains a lot of moisture, which is what these plants prefer when in active growth; however when it decays or starts to retain too many salts, the plants will have problems. A mixture of small bark and perlite is also suitable.
Repot as infrequently as possible. Repotting is best done in spring or autumn when new growth appears at a frequency of about every 3 years.
Watering:
The Small Flowered Bulbophyllum need to have ample water supply when the plants are in active growth, and a drought of even a couple of days is enough to kill the new growths and set back the plant. Due to their shallow fine root system they need to have constant moisture around their roots, however depending on their origin, some need a distinct wet and dry period to flower. The potting mix should never be allowed to dry out completely. They can be kept slightly drier in winter.
Fertilizer:
A balanced weak liquid fertilizer about once per month to weekly is recommended. They also enjoy fish emulsion and other organic fertilizers.
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