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This species is accepted, and its native range is SW. Tanzania to S. Tropical Africa.
A specimen from Kew's Herbarium

[FTEA]

Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
Slender terrestrial glabrous herb 5–18 cm. high.
Vegetative Multiplication Tubers
Tubers ellipsoid, 1- 2.5 cm. long, up to 1 cm. in diameter.
Morphology Stem
Stems somewhat flexuous, leafy in the lower part and bearing a few small bract-like leaves above.
Morphology Leaves
Leaves 3–8, linear, narrowly lanceolate or lanceolate-ligulate, acute, up to 7 cm. long and 7 mm. broad.
Morphology Reproductive morphology Inflorescences
Inflorescence densely up to 17-flowered, conical when young, cylindrical later, up to 5cm. long, ± 1cm. in diameter; bracts leafy, lanceolate, lower ones equalling or rarely longer than the flowers.
Morphology Reproductive morphology Flowers
Flowers yellow; pedicel with ovary ± 5 mm. long.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal narrowly elliptical, apiculate, ± 4–5 mm. long; laterals obliquely oblong-lanceolate, a little longer than the dorsal; all 3-nerved.
Morphology Reproductive morphology Flowers Corolla
Petals obliquely rhombic-lanceolate, acute, 3–4 mm. long, 1-nerved.
Morphology Reproductive morphology Flowers Labellum
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.
Morphology Reproductive morphology Flowers Spur
Spur broadly rounded, ± 1 mm. long.
Morphology Reproductive morphology Flowers Column
Column 1.5–2 mm. long, upper part somewhat recurved.
Figures
Fig. 7.
Habitat
On rocky slopes or areas, or in upland grassland; 2000–2700 m.
Distribution
T7

[FZ]

Orchidaceae, I. la Croix and P.J. Cribb. Flora Zambesiaca 11:1. 1995

Morphology General Habit
Plants 8–20(30) cm tall.
Morphology Leaves Leaf sheaths
Basal sheaths usually 2, the outer hyaline, obtuse; the inner white, obtuse to acute, to 2 cm long.
Morphology Leaves
Leaves 6–14, scattered on the stem, generally 2–5 clustered at the base, semi-erect to deflexed, 2–5 cm long, narrowly lanceolate to linear, acute, the upper leaves grading into the floral bracts.
Morphology Reproductive morphology Inflorescences
Inflorescences semi-dense, 2–6 cm long, 15–40-flowered, nodding; bracts about 6 mm long, slightly larger than the ovary, narrowly ovate, acuminate.
Morphology Reproductive morphology Flowers
Flowers c. 4 mm in diameter, butter-yellow, the petals slightly paler than the sepals.
Morphology Reproductive morphology Flowers Calyx
Sepals subequal, 3-nerved; dorsal sepal shallowly concave, 4.5–5.5 mm long, elliptic to narrowly elliptic, obtuse, apiculate;lateral sepals shallowly boat-shaped, sub-oblique, 4.6–6.5 mm long, lanceolate, acute.
Morphology Reproductive morphology Flowers Corolla
Petals 1-nerved, oblique, 3–4 mm long, rhombic-lanceolate, acute.
Morphology Reproductive morphology Flowers Labellum
Lip 3.5–5.5 × 1.5–2.5 mm; epichile 3-lobed with the central lobe subacute, c. 1.5 mm long, lateral lobes obtuse, subobsolete; disk with 3 small calli; spur 0.8–1.2 mm long, curved towards the ovary.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther c. 1.5 mm long.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary c. 5 mm long.

Native to:

Malawi, Mozambique, Tanzania

Schizochilus sulphureus Schltr. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Ball, J.S. [795], Tanzania 1410.000
Holmes, W.D. [0203], Malawi 1411.000
Williamson, G. [802], Zambia 33804.000
Holmes, W.D. [0203], Zambia 36563.000
Richards, H.M. [14250], Tanzania 3832.000
Gassner, A. [136], Malawi 46486.000
Stolz, A. [1075], Tanzania K000415517 Unknown type material
Stolz, A. [1075], Tanzania K000415518 Unknown type material

First published in Bot. Jahrb. Syst. 53: 486 (1915)

Accepted by

  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of Tropical East Africa

  • Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 53: 486 (1915)
  • Schltr. in Beih. Bot. Centralbl. 38, abt. 2: 90 (1921).

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0