Compilation
Megaclinium platyrhachis

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Name

Identification
Megaclinium platyrhachis Rolfe [family ORCHIDACEAE ] Bulbophyllum platyrrhachis (Rolfe) Schltr. [family ORCHIDACEAE ] (stored under name); Bulbophyllum maximum (Lindl.) Rchb.f. [family ORCHIDACEAE ]
Related name
  • Bulbophyllum maximum
  • Bulbophyllum platyrrhachis
  • Megaclinium platyrhachis

Flora

Entry for Bulbophyllum maximum Lindl. Rchb.f. [family ORCHIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 11, Part 1, (1995) Author: I. la Croix and P.J. Cribb
Names
Bulbophyllum maximum Lindl. Rchb.f. [family ORCHIDACEAE], in Walp., Ann. Bot. Syst. 6: 259 (1861) as “Bolbophyllum”. —Summerhayes in Kew Bull. 12: 120 (1957); in F.W.T.A. ed. 2, 3: 241 (1968). —la Croix et al, Malawi Orch. 1: 83 (1983). —Cribb in F.T.E.A., Orchidaceae: 317 (1984). —Vermeulen in Orchid Monogr. 2: 97 (1987). —la Croix et al., Orch. Malawi: 202 (1991). —Geerinck in Fl. Afr. Centr., Orchidaceae pt. 2: 344 (1992). Type from Nigeria.
Megaclinium maximum Lindl. [family ORCHIDACEAE], Gen. Sp. Orchid. Pl.: 47 (1830).
Megaclinium oxypterum Lindl. [family ORCHIDACEAE], in Bot. Reg. 25: Misc. Not. 14 (1839). —Rolfe in F.T.A. 7: 38 (1897). Type from Sierra Leone.
Bulbophyllum oxypterum Lindl. Rchb.f. [family ORCHIDACEAE], in Walp., Ann. Bot. Syst. 6: 258 (1861). —Summerhayes in Kew Bull. 12: 121 (1957); in F.W.T.A. ed. 2, 3: 241 (1968). —Goodier & Phipps in Kirkia 1: 54 (1961). —Morris, Epiphyt. Orch. Malawi: 41 (1970). —Grosvenor in Excelsa 6: 79 (1976). —Williamson, Orch. S. Centr. Africa 132 (1977). —Ball, S. Afr. Epiph. Orch.: 82 (1978).
Megaclinium oxypterum var. mozambicense Finet [family ORCHIDACEAE], Not. Syst. 1: 169 (1910). Type: Mozambique, Aringa, 11.ii.1905, le Testu 668 (BM; P, holotype)
Bulbophyllum nyassanum Schltr. [family ORCHIDACEAE], in Bot. Jahrb. Syst. 53: 571 (1915). Type from Tanzania.
Bulbophyllum oxypterum var. mozambicense Finet De Wild. [family ORCHIDACEAE], Pl. Bequaert. 1: 94 (1921).
Megaclinium platyrhachis Rolfe [family ORCHIDACEAE], in F.T.A. 7: 43 (1897). Type: Malawi, hort. O'Brien s.n. (K, holotype).
Bulbophyllum platyrhachis Rolfe Schltr. [family ORCHIDACEAE], Bot. Jahrb. Syst. 38: 15 (1905). —Morris, Epiphyt. Orch. Malawi: 40 (1970). —la Croix et al., Malawi Orch. 1: 55 (1983). —Cribb in F.T.E.A., Orchidaceae: 319 (1984).
Information
Robust epiphytic herb.Pseudobulbs set 2–10 cm apart on a woody rhizome, 2–3(4)-leaved, 4–10 × 1–3 cm, very variable in size and shape, but usually ovoid or oblong, 4–5-angled, sometimes with knobs.Leaves 4 × 20 × 1.5–5.5 cm, oblong, obtuse, emarginate, coriaceous, thick.Inflorescence 15–90 cm long, several to many-flowered.Rhachis flattened, 1–5 cm wide, sometimes leaf-like and yellow, straight or undulate, the edge entire or crenate.Flowers distichous, set slightly off-centre from the median line, only a few open at a time, green or yellow-green with purple-brown marks.Pedicel and ovary 2–5 mm long; bracts c. 4 mm long, reflexed.Dorsal sepal 5–8 × 1–2 mm, ovate-lanceolate, acute, concave; lateral sepals 4–6 × 2–3.5 mm, slightly recurved, ovate.Petals 2–3 × c. 0.5 mm, lanceolate.Lip recurved, up to 3 × 1.5 mm, ovate-oblong, fleshy.Column 1.5–2.2 mm long, including stelidia 0.2 mm long.
Habitat
Brachystegia or mixed deciduous woodland and riverine forest
Range
tropical Africa
Altitude range
600–1600 m.
1600
600
Distribution
Zambia W Mwinilunga Distr., Zambezi Rapids, 6 km N of Kalene Hill Mission, fl. 20.ii.1975, Williamson & Gassner 2445 (K; SRGH).Zimbabwe C Harare Distr., near Harare, 1360 m, st. viii.1927, Eyles 5028 (K).Malawi N Nkhata Bay Distr., Kavuzi Estate, 640 m, fl. 3.xii.1985, la Croix 738 (K).Mozambique N Ribáuè Mts., 900 m, st. ix.1931, Gomes e Sousa 846 (K).Zambia C Lusaka Distr., 22 km from Lusaka on Great East Road, fl. & fr. 16.xi.1961, Morze 75 (K).Zimbabwe E Nyamkwarara Valley, fl. ii.1935, Gilliland 1541 (K).Malawi C Lilongwe Distr., Dzalanyama F.R., 1250 m, fl. 11.xii.1985, la Croix 751 (K).Malawi S Thyolo Distr., Bvumbwe, 1150 m, fl. xii.1970, Westwood 578 (K).Mozambique MS Serra de Vumba, Nasceuta da Sabrica de Aguas, 1050 m, fl. 7.v.1980, Pettersson 126 (K).

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