Saprophytic terrestrial herbs, growing from thick, tuberous rhizomes
Stems
erect
Leaves
0
Inflorescence
: terminal racemes; flowers brownish, bell-shaped, pendent
Sepals
and petals united into tube
Lip
3-lobed, mobile, attached to column-foot
Gynostemium
long; pollinia 2, sectile
Capsule
erect, up to 17 x 7 mm
x = 12 (aneuploids, polyploidy)
Nomenclature:
Gastrodia
R.Br.
Brown: 330 (1810)
Stewart et al.: 210 (1982)
Linder & Kurzweil: 352 (1999)
Distribution & Notes:
Global
: Species ± 17, throughout the tropics and subtropics of the Old World
Southern Africa
: Species 1:
Gastrodia sesamoides
R.Br., near Cape Town (Western Cape); probably accidentally introduced
References:
BROWN, R. 1810.
Prodromus florae Novae Hollandiae
. J. Johnson & Co., London
LINDER, H.P. & KURZWEIL, H. 1999.
Orchids of southern Africa
. A.A. Balkema, Rotterdam
STEWART, J., LINDER, H.P., SCHELPE, E.A. & HALL, A.V. 1982.
Wild orchids of southern Africa
. Macmillan, Johannesburg
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