Inflorescence
a lax raceme; flowers white, cream-coloured or green
Sepals
free; laterals spreading and lanceolate; median one galeate
Petals
simple, ± as long as sepals, lying next to median sepal
Lip
deeply 3-lobed, with fringed side lobes; long-spurred
Gynostemium
: anther thecae parallel and adjacent, erect, anther canals slender, strongly curved upwards and adnate to lateral rostellum arms; pollinia 2, sectile, with long caudicles and small viscidia; stigmatic processes 2-lobed, each with upper sterile horn and capitate or clavate receptive lobe; rostellum 3-lobed, lateral rostellum lobes elongate horns curved upwards, midlobe erect and shorter than anther
Capsule
elongate-cylindrical
Nomenclature:
Centrostigma
Schltr.
Schlechter: 522 (1915)
Phillips: 232 (1951)
Stewart et al.: 102 (1982)
Linder & Kurzweil: 143 (1999)
Distribution & Notes:
Global
: Species 3, south tropical Africa
Southern Africa
: Species 1:
Centrostigma occultans
(Welw. ex Rchb.f.) Schltr., extends into Northern Province and Mpumalanga
References:
LINDER, H.P. & KURZWEIL, H. 1999.
Orchids of southern Africa
. A.A. Balkema, Rotterdam
PHILLIPS, E.P. 1951. The genera of South African flowering plants.
Memoirs of the Botanical Survey of South Africa
No. 25
SCHLECHTER, R. 1915.
Orchidaceae
Stolzianae
, ein Beitrag zur Orchideenkunde des Nyassa-Landes.
Botanische Jahrbücher
53
STEWART, J., LINDER, H.P., SCHELPE, E.A. & HALL, A.V. 1982.
Wild orchids of southern Africa
. Macmillan, Johannesburg
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