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Bulbophyllum xanthophaeum

Bulbophyllum xanthophaeum

Bulbophyllum xanthophaeum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 729

Type: Schlechter 16943 (holo B, lost); para

Synonyms:

  • Hapalochilus xanthophaeus (Schltr.) Garay & W.Kittr., Bot. Mus. Leafl. 30 (1985) 192 (58)

Epiphyte, erect or spreading, 10-25 cm long. Rhizome stem-like, covered with cucullate sheaths. Roots filiform, flexuose, glabrous. Pseudobulbs 1.5-2.3 cm apart, cylindrical, 0.8-1.3 by 0.3-0.45 cm below the middle; 1-leaved. Leaf erect, elliptic or elliptic-ligulate, subacute, or minutely apiculate, glabrous, 4-8 by 1.3-2.8 cm near the middle. Inflorescence 1-flowered, very short, covered with a few peduncle-scales. Floral bracts similar to the sheaths, more or less shorter than the ovary. Flower rather small in the genus. Sepals oblong, apiculate, glabrous, 0.7 cm long. Lateral sepals oblique, at the base the upper margin hardly dilated. Petals obliquely broadly rhombic, subacute, 0.13 cm long; margins in the middle subangular. Lip immobile, narrowly oblong-ligulate, obtuse, minutely and very slightly warty, 0.55 cm long; underneath grooved. Column slightly curved; stelidia quadrangular, in front truncate, upper margin serrate-lacerate; column-foot almost absent. Anther cordate-cucullate, glabrous, umbo large, apiculate. Ovary sessile, glabrous, 0.3 cm long. (After Schlechter, 1913)


Flower yellow with brown shading. Lip dark brown with yellow apex.

Epiphyte in lower montane forest; 450-1100 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum xanthophaeum in New Guinea

Intermediate growing epiphyte.

January, August, December.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 239, fig. 909
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum xanthophaeum

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Bulbophyllum xanthophaeum

Overview picture of Bulbophyllum xanthophaeum Schltr.

Bulbophyllum xanthophaeum

Bulbophyllum xanthophaeum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 239, fig. 909