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Ridleyella paniculata

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 949

Type: Forbes 392; 573 (syn BM)

Synonyms:

  • Bulbophyllum paniculatum Ridl., J. Bot. 24 (1886) 326
    - Type: Forbes 392; 573 (syn BM)

Pseudobulbs c. 2.5 cm long, arranged in a row, closely spaced, oblongoid, at the base covered with fibres, 2-leaved. Leaves linear, c. 9-20 by 0.6-1.5 cm, broadly obtuse, unequally bilobulate, keeled. Inflorescence slender, c. 16-28 cm high, branching, branches widely spaced; peduncle at the base covered with c. 1 cm long scales that are somewhat inflated and split towards the base. Floral bracts small, triangular-subulate. Flowers minute, c. 0.5 cm diam. Median sepals ovate, 0.2 by 0.23 cm, obtuse. Lateral sepals obliquely ovate, 0.28 by 0.2 cm, obtuse. Petals very obliquely ovate, 0.25 by 0.24 cm, obtuse, margins slightly erose. Lip clawed, spathulate, when flattened c. 0.3 by 0.3 cm; claw erect, curved, narrow, channelled, at the base with a transverse swelling, with swollen mid-rib; blade dilated, rectangularly recurved, subreniform, obtusely cuspidate, margins minutely crenulate-erose. Column thick almost straight, c. 0.12 cm long, at the apex broadly truncate, apical wings slightly extended, quadrangular, truncate-obtuse, finely erose; column-foot very short, broad, truncate; stigma deeply concave, triangular to rounded quadrangular, with raised lower margin; clinandrium shallow, with raised margins; rostellum broad, slightly notched, very short. Anther flattened, very broad, incompletely 4-locular; pollinia ovate, unequal. Pedicel with ovary 0.6 cm long, ovary globose, 0.2 cm long.
(after Ridley, 1886 and Smith, 1916)


Flowers violet to dark maroon.

Epiphyte in lowland and montane forest; 0 to 1800 m.

Malesia (New Guinea).

Papua (Indonesia); Papua New Guinea. See map

distribution map

Intermediate growing epiphyte.

January, March, April, June, July, September, October.

  • Smith, J.J., Nova Guinea 12, 4 (1916) 446, t. 173, fig. 322
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 335, fig. 1292
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Thelasiinae
  • Genus Ridleyella
  • Species Ridleyella paniculata

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Ridleyella paniculata

overview picture

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., habit, photo Royal Botanic Garden Edinburgh

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., habit, photo A. Schuiteman, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., inflorescence, photo A. Schuiteman, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., flower, photo A. Schuiteman, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., flower lateral view, photo Ed. de Vogel, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., flower, front view, photo Ed de Vogel, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., flower, lateral sepals and petals removed, front view, slightly from below, photo Ed de Vogel, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., flower, oblique front view, photo Ed de Vogel, Leiden cult. 31692 (Schuiteman, Mulder & Vogel), from Papua New Guinea, (Southern Highlands Prov.)

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., flower, lateral view, photo E.F. de Vogel, based on Leiden cult. 31692

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., pseudobulbs, photo E.F. de Vogel, based on Leiden cult. 31692

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., floral analysis, drawing J.J. Smith

Ridleyella paniculata

Ridleyella paniculata (Ridl.) Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 335, fig. 1292