Bulbophyllum section Pachychlamys Schlechter, Feddes Repert. Spec. Nov. Regni Veg. Beih. 33 ,207-9 (1925)
Type species:
Bulbophyllum pachypus Schltr.
Epiphytes with creeping rhizomes, rhizome scales thick and fibrous, the apices patent when the pseudobulb reaches maturity. Pseudobulbs clustered to distant, not laterally flattened, 2-leaved. Inflorescence synanthous or heteranthous, a many-flowered, elongate raceme with spirally arranged flowers; rachis not or hardly thicked, round in section. Lower floral bracts 7 mm long or shorter. Flowers resupinate. Sepals free, glabrous abaxially. Petal margins entire to distally minutely erose, glabrous. Labellum mobile, undivided, thick, apical opart porrect or recurved, adaxially flat or convex, margins glabrous, adaxial side without ridges, or with ridges with an entire edge. Column with triangular, acute stelidia, without a tooth along the lower margin (with a tooth in Bulbophyllum mutivaginatum Jum. & H. Perrier). Anther with a rounded protrusion that slightly overtops the anterior margin.
Ten species in humid lowland an montane forests in Madagascar and Mascarenes.
Madagascar and Mascarenes.


Bulbophyllum ikongoense H.Perrier SE. Madagascar.
Bulbophyllum longivaginans H.Perrier Madagascar.
Bulbophyllum macrocarpum Frapp. ex Cordem.  Réunion.
Bulbophyllum molossus Rchb.f. Madagascar.
Bulbophyllum moratii Bosser N. Madagascar.
Bulbophyllum multivaginatum Jum. & H.Perrier N. Madagascar.
Bulbophyllum pachypus Schltr. Madagascar.
Bulbophyllum perrieri Schltr. Madagascar.
Bulbophyllum sandrangatense Bosser NE. Madagascar.
Bulbophyllum septatum Schltr. N. Madagascar.
Bulbophyllum vestitum Bosser Madagascar.
Bulbophyllum vestitum var. meridionale Bosser SW. Madagascar.
Bulbophyllum vestitum var. vestitum NE. Madagascar.

World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; accessed 19/09/2019