# Bulbophyllum sect. Hirtula

Bulbophyllum sect. Hirtula is a section of the genus Bulbophyllum.

## Description

Species in this section are Epiphytic or lithophytic perennial herbs, creeping rhizomatic, 1-leaved subglobular or oblate pseudobulbs. Inflorescence many flowered raceme or spike, often with swollen rachis, flowers with 4 paired pollina.

## Distribution

Plants from this section are found in Nepal, Bhutan, NE. India, Myanmar, South China, Thailand, Peninsular Malaysia, Sumatra, Java, Borneo, Sulawesi, Philippines, New Guinea.

## Species

Bulbophyllum section Hirtula comprises the following species:
| Name | Distribution | Elevation (m) |
| Bulbophyllum aithorhachis J.J.Verm 1996 | Brunei, Borneo and Sumatra | 50–800 metres (160–2,620 ft) |
| Bulbophyllum anguste-ellipticum Seidenf. 1981 | Thailand | |
| Bulbophyllum atratum J.J.Sm. 1917 | Malaysia, Sumatra and Borneo (Sabah) | 1,000 metres (3,300 ft) |
| Bulbophyllum carinilabium J.J.Verm. 1991 | Borneo (Sabah) | 1,500–2,000 metres (4,900–6,600 ft) |
| Bulbophyllum cerebellum J J Verm 1996 | Borneo (Sabah) | 1,300 metres (4,300 ft) |
| Bulbophyllum clipeibulbum J.J.Verm. 2001 | Indochina, Vietnam | 700–1,500 metres (2,300–4,900 ft) |
| Bulbophyllum comberipictum J J Verm 2002 | Sarawak and Sabah Borneo | 800–1,300 metres (2,600–4,300 ft) |
| Bulbophyllum concavilabium P.O'Byrne & P.T.Ong 2014 | peninsular Malaysia and Sarawak Borneo | |
| Bulbophyllum debrincatiae J.J.Verm. 2002 | Philippines | 800–1,200 metres (2,600–3,900 ft) |
| Bulbophyllum dracunculus J.J.Verm. 2000 | Borneo (Sabah) | 800–1,800 metres (2,600–5,900 ft) |
| Bulbophyllum dasystachys J.J.Verm., Thavipoke & J.Phelps 2014 | Thailand, Vietnam | 1,450 metres (4,760 ft) |
| Bulbophyllum echinochilum Kraenzl. 1921 | Sulawesi, Philippines | 900–1,000 metres (3,000–3,300 ft) |
| Bulbophyllum eleiosurum J J Verm. & O'Byrne 2015 | Borneo | 700 metres (2,300 ft) |
| Bulbophyllum glabrichelia Aver. 2017 | Laos, Vietnam | 1,050–1,150 metres (3,440–3,770 ft) |
| Bulbophyllum gemma-reginae J J Verm. 1996 | Borneo | 1,100–1,200 metres (3,600–3,900 ft) |
| Bulbophyllum groeneveldtii J.J.Sm. 1920 | Sumatra and Borneo | 1,100–1,300 metres (3,600–4,300 ft) |
| Bulbophyllum grotianum J.J.Verm. 2002 | Sarawak Borneo | 0–250 metres (0–820 ft) |
| Bulbophyllum hirtulum Ridl. 1900 | Malaysia, Sumatra and Borneo | 400–1,300 metres (1,300–4,300 ft) |
| Bulbophyllum janus J.J.Verm. 2002 | Sumatra | 650–950 metres (2,130–3,120 ft) |
| Bulbophyllum jolandae J.J.Verm. 1991 | Borneo | 1,500 metres (4,900 ft) |
| Bulbophyllum kenchungianum P.O'Byrne & Gokusing 2016 | Borneo | 700 metres (2,300 ft) |
| Bulbophyllum lanuginosum J.J.Verm. 2002 | Thailand | |
| Bulbophyllum lasioglossum Rolfe ex Ames 1905 | Philippines | 1,000 metres (3,300 ft) |
| Bulbophyllum limbatum Lindl. 1840 | Myanmar, Thailand, Malaysia, Borneo and Sumatra | 500–600 metres (1,600–2,000 ft) |
| Bulbophyllum lindleyanum Griff. 1851 | India, Thailand and Myanmar | |
| Bulbophyllum mirabile Hallier 1896 | Brunei, Borneo (Kalimantan and Sabah) | 200–300 metres (660–980 ft) |
| Bulbophyllum negrosianum Ames 1912 | Philippines | 1,100–1,400 metres (3,600–4,600 ft) |
| Bulbophyllum nigrescens Rolfe 1910 | Thailand, Yunnan Province China and Vietnam | 400–1,500 metres (1,300–4,900 ft) |
| Bulbophyllum nigripetalum Rolfe 1891 | Yunnan Province China and Thailand | 1,000–1,300 metres (3,300–4,300 ft) |
| Bulbophyllum ochthodes J.J.Verm. 2002 | Malaysia | 1,500 metres (4,900 ft) |
| Bulbophyllum parviflorum C.S.P.Parish & Rchb.f. 1874 | Eastern Himalayas, Bhutan, Myanmar, Thailand and Vietnam | 400–1,100 metres (1,300–3,600 ft) |
| Bulbophyllum penicillium Parish & Rchb. f. 1874 | Assam India, eastern Himalayas, Sikkim, Myanmar, Thailand and Vietnam | 2,000 metres (6,600 ft) |
| Bulbophyllum phitamii Aver. 2017 | Vietnam | |
| Bulbophyllum pilosum J.J.Verm. 2002 | Borneo (Sabah) | 1,300–1,500 metres (4,300–4,900 ft) |
| Bulbophyllum polycyclum J.J.Verm. 1996 | Borneo | 850–1,700 metres (2,790–5,580 ft) |
| Bulbophyllum polygaliflorum J.J.Wood 1984 | Borneo | 1,700 metres (5,600 ft) |
| Bulbophyllum rariflorum J.J.Sm. 1908 | Borneo | |
| Bulbophyllum scaphiforme J.J.Vermuellen 2002 | Thailand, Vietnam and China Yunnan | 1,100–1,400 metres (3,600–4,600 ft) |
| Bulbophyllum secundum Hook.f. 1890 | Assam India, eastern Himalayas, Nepal, Bhutan, Sikkim, Southern China, Myanmar, Thailand, Laos and Vietnam | 1,000–2,500 metres (3,300–8,200 ft) |
| Bulbophyllum setilabium Aver. 2017 | Laos, Vietnam | 1,100–1,200 metres (3,600–3,900 ft) |
| Bulbophyllum setuliferum J.J.Verm. & Saw 2000 | Peninsular Malaysia | 1,500–1,800 metres (4,900–5,900 ft) |
| Bulbophyllum sororculum J.J.Verm. 2002 | Sulawesi | 500 metres (1,600 ft) |
| Bulbophyllum spadiciflorum Tixier 1966 | Vietnam | 500–1,000 metres (1,600–3,300 ft) |
| Bulbophyllum tremulum Wight 1844-53 | India | 800–1,000 metres (2,600–3,300 ft) |
| Bulbophyllum trulliferum J J Verm & Lamb 1994 | Borneo (Sabah) | 900 metres (3,000 ft) |
| Bulbophyllum xenosum J.J.Verm. 1996 | peninsular Malaysia and Borneo | 650–900 metres (2,130–2,950 ft) |
| Bulbophyllum xiphion J.J.Verm. 1996 | Borneo | 650–1,050 metres (2,130–3,440 ft) |