Pterygodium ukingense Schltr.
  • Bot. Jahrb. Syst. 53: 546 (1915) 

Notes: Distribution: SW. Tanzania (Ukinga Mts.)

General Description

Glabrous erect perennial herb, ± 2 dm. tall. Tubers ovoid, 1.5 cm. long and 1 cm. in diameter; roots slender, apparently glabrous. Stem rather slender, ± 5 mm. in diameter. Leaves 5–6, the lower 2 reduced to tight sheaths, the upper 1 or 2 similar to the bracts, the middle 2 much larger, ± erect, oblanceolate, obtuse or acute, subcordate, the lower of the 2 larger 9–11 cm. long and 2.5–3.5 cm. broad, the upper 6–8 cm. long and 1.5–2 cm. broad. Inflorescence 4–6.5 cm. long, 2–2.5 cm. in diameter, rather closely 7–11-flowered. Bracts erect or deflexed, lanceolate, acute, 1.3–2.2 cm. long, 3–5 mm. broad. Flowers clear-green, erect; mature pedicellate ovary slender, glabrous, up to 1.3 cm. long. Sepals 7–8 mm. long, 4.5 mm. wide, slightly hemispherical, oval when flattened. Petals semi-orbicular, 4–5 mm. in diameter, interior margin completely adnate to margins of dorsal sepal to form a hood. Lip 3-lobed, 4.5 mm. long, 5 mm. wide, the lateral lobes oblong, 2 mm. long, the middle lobe triangular, acuminate, 2.75 mm. long. Fig. 38, p. 215.


HAB. Upland grassland; 2000 m.


Tanzania Ukinga Mts., near Mwakaleli, Mar. 1914, Stolz 2609 !


in E.J. 53: 546 (1915).

Distribution Map

  • Native distribution
Found in
  • Africa East Tropical Africa Tanzania


  • 1 Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 2 V. S. Summerhayes (1968) Orchidaceae. Flora of Tropical East Africa 0 (0)

 Information From

Flora of Tropical East Africa
Flora of Tropical East Africa. Published on the Internet;
WCS higher taxonomy
  • B All Rights Reserved
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
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