Bulbophyllum longissimum

Bulbophyllum longissimum J.J.Sm., Bull. Jard. Bot. Buitenzorg ser. II, viii. 25 (1912).

Bulbophyllum longissimum J.J.Sm., Photo by Orquintal - Orquídeas exóticas

its native range is Thailand.

Latin Name: 

Bulbophyllum longissimum J.J.Sm.

Family: 

Orchidaceae Juss.

Synonym:

Cirrhopetalum longissimum Ridl.

English Name:

The Long Petaled Bulbophyllum.

Description: 

With conical, sheathed pseudobulbs carrying a solitary, apical, oblong, coriaceous, subsessile leaf that blooms in the spring on a erect or pendant, 20 cm long inflorescence from which arises a 5 to 10 flowered, apical umbel of short-lived, fragrant flowers.

Distribution:

Thailand.

Ecological:

At lower elevations as a small sized, hot to warm growing epiphyte.

Flowering times:

Blooms in the spring.

Flower size:

38.0 cm.

Cultivation:

Light:

It needs bright light simular to Cattleyas, a light level of 35000-40000 lux. Full sun early in the morning is good and the rest of the day shade but not deep shade.

Temperature:

From 35°C at daytime to 24°C at night during the summer, 27°C at daytime to 16°C during the night in the winter.

Humidity:

Humidity fluctuates between 70% and 90% during the day. At the height of the dry season humidity might go down to 50% for a few hours a day but climbs over 70% at night. At the height of the wet season it can stay close to 100% during the night.

Substrate, growing media and repotting:

It grows best in a basket or a pot with fine bark. They can also be kept mounted on bark with some sphagnum.

Watering:

During the summer give this plant every single day plenty of water, the media stays constantly wet for these months. During the dry season, if it is not growing, give it water once a week or a bit more frequently if the bulbs start to become wrinkled.

Fertilizer:

A fertilizer with a high nitrogen content, one times a week when it is producing new growths. Stop fertilizing when the new growths achieve mature size. Don’t fertilize if the plant is not producing either new growths or roots.

Type:

Curtis, C. [s.n.], Thailand K000891073 Unknown type material

Reference: 

- theplantlist.org

- ipni.org/n/619380-1

- powo.science.kew.org/taxon/urn:lsid:ipni.org:names:619380-1

- orchid-idea.com/en/product/?s=5218&p=844020

- orchidspecies.com/bulblongissimumn.htm. 

- orchids.fandom.com/wiki/Aerides_krabiensis