Species Information - Bulbophyllum cylindrobulbum

Bulbophyllum cylindrobulbum Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 200

Type: Schlechter 13999 (holo B, lost); neo

Synonyms:

• Bulbophyllum acutibrachium J.J.Sm., Nova Guinea 14 (1929) 466, pl. 76, fig. 113
  - Type: Lam 1952 (New Guinea, Mamberamo, Doormantop) (holo L; iso BO)
• Bulbophyllum angiense J.J.Sm., Nova Guinea 12, 4 (1916) 403, pl. 149, fig. 280
  - Type: Gjellerup 1119 (holo BO)
• Bulbophyllum constrictilabre J.J.Sm., Meded. Rijks-Herb. 23 (1915) 14
  - Type: Pulle 887 (syn BO; K, L); 940 (syn BO; K, L, U); 940 a (L)
• Bulbophyllum cordilabrum P.Royen, Alp. Fl. New Guinea 2 (1979) 185, fig. 71
  - Type: ANU (Wade) 7277 (holo CANB; iso AMES, L, LAE)
• Bulbophyllum disjunctibulbum J.J.Sm., Nova Guinea 14 (1929) 467, pl. 76, fig. 114
  - Type: Lam 1541 (New Guinea, Mamberamo, Doormantop) (holo L; iso BO)
• Bulbophyllum equivestigium Gilli, Ann. Naturhist. Mus. Wien 84/B (1983) 16, fig. 2
  - Type: Gilli 566 (holo W)
• Bulbophyllum ferruginescens Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 736
  - Type: Schlechter 17352 (syn B, lost; K); 18989 (syn B, lost; BM, K); 19119 (syn B, lost)
• Bulbophyllum govidjoae Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 734
  - Type: Schlechter 19749 (holo B, lost)
• Bulbophyllum imitans Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 734
  - Type: Schlechter 19771 (holo B, lost)
• Bulbophyllum kempterianum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 736
  - Type: Schlechter 19037 (holo B, lost)
• Bulbophyllum longiserpens Schltr., Bot. Jahrb. Syst. 58 (1923) 138
  - Type: Ledermann 10941; 11017 (syn B, lost)
• Bulbophyllum microcharis Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 209
  - Type: Schlechter 14472 (holo B, lost)
• Bulbophyllum pallidiflavum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 735
  - Type: Schlechter 16475 (holo B, lost; iso AMES, E, G, K, L, NY, S)
• Bulbophyllum pallidiflorum Schltr., Bot. Jahrb. Syst. 39 (1906) 86
  - Type: Schlechter 15704 (holo B, lost; iso P)
• Bulbophyllum perlongum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 737
  - Type: Schlechter 18701 (holo B, lost)
• Bulbophyllum remotum J.J.Sm., Repert. Spec. Nov. Regni Veg. 10 (1912) 488
  - Type: Gjellerup 563 (holo BO)
• Bulbophyllum sculptum J.J.Sm., Nova Guinea 14 (1929) 464, pl. 76, fig. 111
  - Type: Lam 1767 (holo BO)
• Bulbophyllum subalpinum P.Royen, Alp. Fl. New Guinea 2 (1979) 180, fig. 69
  - Type: Brass 9229 (holo L; iso AMES, BM, BO)
• Bulbophyllum uduense Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 735
  - Type: Schlechter 19904 (holo B, lost; iso AMES, BO, L)

Rhizome creeping, 0.4-5.5 mm diam. Roots present along the entire rhizome. Pseudo-bulbs orbicular, ovoid, ellipsoid, or cylindrical, 0.6-30 cm apart, 0.3-6 by 0.2-1.2 cm, not to moderately flattened. Petiole 8-130 mm. Leaf blade ovate to elliptic, 0.6-17 by 0.3-5 cm, index 2-17, tip rounded to acute. Inflorescences single, or few to many together on a short sympodium, 0.8-28 cm, 1-25-flowered. Peduncle 0.3-16 cm; bracts 3-7, the longest 1.8-13 mm. Rachis, if present, erect or arching, 0.15-13 cm. Floral bracts ovate to elliptic, 2-10 mm, tip obtuse to acute. Pedicel and ovary 1.7-15 mm, with the node 0.3-3.2 mm from the floral bract. Flowers scattered, 1 to many open at the time, moderately to widely opening. Median sepal ovate to elliptic, 4-14(-18) by 1.5-4 mm, index 1.8-5.5, tip acute; (rather) thin; glabrous. Lateral sepals oblique, 4.2-15(-18) by 1.8-3.6 mm, index 2-6, otherwise as the median sepal. Petals oblique, ovate to elliptic, 1.6-5 by 1.2-2.8 mm, index 1.1-2.5, tip rounded to acute; margins glabrous to finely papillose or erose; thin; surface glabrous; adx. somewhat papillose towards the tip or not. Lip (moderately) curved, general outline ovate, elliptic, or almost rectangular, (slightly) constricted approx. half-way, 1.5-5 by 0.8-2 mm, index 1.3--2.8 (not spread), tip obtuse to acute; (rather) thick; glabrous; adx. concave and with 2 inconspicuous to distinct knobs near the base, with or without 2 inconspicuous to distinct ridges converging in front, often convex towards the tip, abx. with an inconspicuous to distinct, retuse median ridge. Column from ovary to the tip of the stelidia 0.8-2.2 mm; stigma not or hardly protruding at its base, slit-like. Stelidia absent or inconspicuous, if present semi-elliptic to triangular, tip rounded to acute; upper margin often erose, or with a an inconspicuous to distinct, rounded to acute tooth along the upper margin. Anther abx. with a ridge towards its base; front margin protruding. Pollinia 4, rarely 2; the inner pair c. half as long as the outer pair or less, sometimes inconspicuous. (After Vermeulen, 1993)

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