Bulbophyllum planibulbe

This orchid section resembles Macrocaulia but features larger plants with long, wiry, non-brittle creeping rhizomes. It has racemose inflorescences with resupinate flowers, where the pedicel’s basal node aligns with the floral bract attachment. The flowers have four pollinia. A key field characteristic is its prostrate pseudobulbs on an elongated, wiry rhizome. This section includes two… Continue reading Bulbophyllum planibulbe

Bulbophyllum pileatum

This miniature epiphytic orchid is found in Malaysia, Borneo, and Sumatra at elevations up to 1000 meters, growing on mature mangrove trees in swamp forests. It has slender, cylindrical pseudobulbs spaced 1.6 to 3.1 inches apart, ringed with stiff bristles, and carries a single, gradually narrowed leaf with a short petiole. Blooming from winter through… Continue reading Bulbophyllum pileatum

Bulbophyllum picturatum

This small epiphytic orchid is found in Yunnan, Assam, Myanmar, Thailand, and Vietnam at elevations of 900 to 1550 meters. It grows in bright light on deciduous trees or the ground below them. The plant has dark green, angular pseudobulbs with a single, linear-oblong leaf. In spring, it blooms on a slender, 12 to 25… Continue reading Bulbophyllum picturatum

Bulbophyllum phalaenopsis

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This large-sized epiphytic orchid is native to New Guinea, growing at elevations below 500 meters. It produces a short, clustered inflorescence at the base of the plant, with flowers that have a strong, unpleasant odor and remain close to the pseudobulb.

Bulbophyllum patens

This medium-sized orchid is found in India, Thailand, Malaysia, Sumatra, and Borneo, growing in swampy and lowland forests at elevations up to 200 meters. It is a hot-growing epiphyte with a hairy rhizome and spaced ellipsoid pseudobulbs, each carrying a single, thick, elliptic-oblong leaf. Blooming in late winter to early spring, it produces a 5… Continue reading Bulbophyllum patens

Bulbophyllum parviflorum

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This miniature orchid is found in Yunnan, the eastern Himalayas, Bhutan, Myanmar, Thailand, and Vietnam, growing in montane forests at 400 to 1100 meters. It thrives as a warm to hot-growing epiphyte with globose pseudobulbs spaced 5 cm apart. Each pseudobulb has a single, narrow, elliptical leaf that tapers into a folded petiole. Blooming in… Continue reading Bulbophyllum parviflorum

Bulbophyllum ovalifolium

This miniature orchid is found in the Chinese Himalayas, Thailand, Malaysia, Sumatra, Java, Borneo, Lesser Sunda Islands, and Sulawesi, growing in montane forests at 900 to 2500 meters. It thrives as a cold to warm-growing epiphyte with a creeping, mat-forming rhizome that produces closely set, chain-like, ovoid to globose, slightly flattened pseudobulbs. Each pseudobulb has… Continue reading Bulbophyllum ovalifolium

Bulbophyllum nigrescens

This miniature orchid is found in Thailand, Yunnan (China), and Vietnam, growing as a warm to cool epiphyte or lithophyte on tree trunks at 400 to 1500 meters. It has squat, ovoid to low-conical, wrinkled pseudobulbs spaced 0.6 to 2.5 cm apart, each carrying a single linear to lanceolate leaf. Blooming in late winter to… Continue reading Bulbophyllum nigrescens

Bulbophyllum mirum

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This mini-miniature to miniature epiphytic orchid is found in Sabah Borneo, Sumatra, Java, Flores, Bali, and Peninsular Malaysia at elevations of 1000 to 1600 meters. It grows in cool conditions on mossy branches and trunks, with a slow-creeping, branching rhizome. Its shiny olive-green, acutely quadrangular pseudobulbs are spaced about 1 inch (2.5 cm) apart, each… Continue reading Bulbophyllum mirum

Bulbophyllum microtepalum

This miniature epiphytic orchid is found in Myanmar and Thailand at around 200 meters elevation in hot climates. It has smooth, conical to ovoid pseudobulbs, each bearing a single, thick, lanceolate leaf with a short petiole. Blooming from a basal, 2-inch (5 cm) long erect inflorescence, it produces a densely packed cluster of small flowers… Continue reading Bulbophyllum microtepalum