Schizochilus sulphureus Schltr., Bot. Jahrb. Syst. 53: 16 (1915).
Slender terrestrial glabrous herb 5-18 cm. high. Tubers ellipsoid, 1-2.5 cm. long, up to I cm. in diameter. Stems somewhat flexuous, leafy in the lower part and bearing a few small bract-like leaves above. Leaves 3-8, linear, narrowly lanceolate or lanceolate-ligulate, acute, up to 7 cm. long and 7 mm. broad. Inflorescence densely up to 17-flowered, conical when young, cylindrical later, up to 5 cm. long, ± I cm. in diameter; bracts leafy, lanceolate, lower ones equalling or rarely longer than the flowers. Flowers yellow; pedicel with ovary ± 5 mm. long. Dorsal sepal narrowly elliptical, apiculate, ± 4—5 mm. long; laterals obliquely oblong-lanceolate, a little longer than the dorsal; all 3-nerved. Petals obliquely rhombic-lanceolate, acute, 3-4 mm. long, 1-nerved. Lip narrowly ovate, usually 3-lobed above the middle but rarely entire, 4.5-6 mm. long, just over 2 mm. broad; lateral lobes very short, triangular; middle lobe much longer, triangular, ± 1.5 mm. long; disk bearing a number of irregular verrucose thickenings just in front of the mouth of the spur; spur broadly rounded, ± I mm. long. Column 1.5-2 mm. long, upper part somewhat recurved.
This is a montane species and often found in moss in seepages over rock and in damp grassland, often after fire above 1800 m.
Not in cultivation
SW. Tanzania to S. Trop. Africa
Flora of Tropical East Africa Summerhayes Orchidaceae Part 1 1968; Flora Zambesiaca Vol 11, Part 1, (1995) Author: I. la Croix and P.J. Cribb; TYPE MATERIAL OF STOLZ'S AFRICAN ORCHIDACEAE CONSERVED AT THE NATURHISTORISKA RIKSMUSEET STOCKHOLM (s) Eric A. Christenson, Selbyana, Vol. 10, No. 1 (1987), pp. 63-64
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Habitat/In situ Habitat/In situ
schizochilus sulphureus 01 schizochilus sulphureus 02
Photograph© Margaret
Westrop. Image used
with kind permission.
Photograph© Margaret
Westrop. Image used
with kind permission.