- Family: Orchidaceae Juss.
- Genus: Disa P.J.Bergius
Disa saxicola Schltr.
- Genus: Disa P.J.Bergius
This species is accepted, and its native range is Tanzania to S. Africa.
[FZ]
Orchidaceae, I. la Croix and P.J. Cribb. Flora Zambesiaca 11:1. 1995
- Habit
- Terrestrial herb, rarely epilithic or epiphytic; perennating by tubers. Plants flexuose, 10–40 cm tall, base of stem often with a sheath of old leaf fibres.
- Leaves
- Leaves erect or falcate, conduplicate, 7–20 cm long, linear lanceolate, acute to acuminate, grading into the floral bracts.
- Inflorescences
- Inflorescence lax, 3–15 cm long.
- Bracts
- Floral bracts variable in length, lanceolate to rarely narrowly ovate, acuminate.
- Flowers
- Flowers white with purple markings on the hood.
- Calyx
- Dorsal sepal galeate; galea 4–8 mm long, c. 3 mm wide and c. 3 mm deep, rounded to apiculate, constricted in the middle. Lateral sepals erect, 3.5–4.5 mm long, narrowly oblong to oblong, truncate.
- Spur
- Spur from a conical base, usually gently down-curved, 4–10 mm long, terete, acute.
- Labellum
- Lip 3–5 mm long, linear–spathulate.
- Rostellum
- Rostellum square, central lobe small.
- Anthers
- Anther semi-pendent, c. 1 mm long.
- Stigma
- Stigma flat.
- Ovary
- Ovary 5–15 mm long, mottled with purple.
[FTEA]
Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968
- Habit
- A terrestrial herb 1–4 dm. high, glabrous except for the roots.
- Tubers
- Tubers almost spherical to elongated-cylindrical or fusiform, 1–6 cm. long, 5–12 mm. in diameter, ± densely tomentose.
- Roots
- Roots very slender, fiexuous, pubescent.
- Stem
- Stems ± erect, slender, leafy along their entire length.
- Leaves
- Leaves 5–10, the lowest 1–3 tight, sheath-like, red-spotted, the next 3–5 often close together, spreading or recurved, linear or lanceolate-linear, acute, the largest 6–17 cm. long, 3–14 mm. broad, the sheaths often red-spotted or lined, the uppermost 1–3 much smaller, erect, lanceolate, acute.
- Inflorescences
- Inflorescence 2–12 cm. long, 1.5–3.5 cm. in diameter, rather loosely 5–35-flowered.
- Bracts
- Bracts leafy, lanceolate, acuminate, 7–20(–25) mm. long, the lower ones ± equalling the flowers, sometimes red-spotted.
- Flowers
- Flowers suberect to spreading, white to rose-coloured with deeper red or purple spots; pedicel with ovary straight, 9–14 mm. long.
- Calyx
- Dorsal sepal inclined forwards or nearly horizontal, conical or narrowly conical with a narrow spur projecting backwards from below the middle, base to apex 5–8 mm. long, and rather broader across the mouth when spread out, from base to apex of the spur 5–10 mm. long, the spur straight or decurved, narrowed gradually towards the apex; laterals spreading forwards, obliquely elliptical, often with a projecting point at the back below the apex, 4.5–6(–8) mm. long, 2.5–3.5(–4.5) mm. broad.
- Corolla
- Petals inside the hood of the dorsal sepal, erect, adnate at their base to the column, obliquely oblong or oblong-elliptical, rounded or shortly toothed at the apex, 2.5–4.5 mm. long, 1.5–2.5 mm. broad.
- Labellum
- Lip projecting forwards, oblanceolate-linear or oblanceolate, rounded at apex, 3–4 mm. long, ± 1 mm. broad.
- Column
- Column short, erect; anther terminal, ± refiexed, 1–2 mm. long, canals short; stigma in front of the anther, inclined, slightly over 1 mm. in diameter.
- Habitat
- Damp rock crevices and ledges and on large boulders in upland grassland, often in partial shade; 1800–2800 m.
- Distribution
- T7 T8
Native to:
KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Swaziland, Tanzania, Zambia, Zimbabwe
Disa saxicola Schltr. appears in other Kew resources:
| Date | Reference | Identified As | Barcode | Type Status |
|---|---|---|---|---|
| Jan 1, 1895 | Schlechter, F.R.R. [4091], South Africa | K000077615 | holotype | |
| Zambia | 17326.021 | |||
| Zimbabwe | 43018.000 | |||
| Zimbabwe | 43033.000 | |||
| Hall, A.V. [930], South Africa | 26849.000 | |||
| Milne-Redhead, E. [8917], Tanzania | 3802.000 | |||
| Robson, N.K.B. [1394], Malawi | 9421.000 | |||
| Richards, H.M. [14300], Tanzania | 3831.000 | |||
| Polhill, R. [1652], Tanzania | 3793.000 | |||
| Norlindh, T. [4651], Zimbabwe | 9422.000 | |||
| Philcox, D. [8902], Zimbabwe | 43011.000 | |||
| Brummitt, R.K. [8862], Malawi | 25694.118 | |||
| Cribb, P. [10814], Tanzania | 36767.000 | |||
| Gassner, A. [144], Malawi | 46489.000 | |||
| Congdon, T.C.E. [150], Tanzania | 52297.000 |
First published in Beibl. Bot. Jahrb. Syst. 50: 41 (1895)
Accepted by
- Johnson, S. & Bytebier, B. (2015). Orchids of South Africa. A field guide: 1-536. Struik nature, Cape Town, South Africa.
- Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
Literature
Kew Backbone Distributions
- Johnson, S. & Bytebier, B. (2015). Orchids of South Africa. A field guide: 1-536. Struik nature, Cape Town, South Africa.
Flora of Tropical East Africa
- Summerh. in Kew Bulletin 17551 (1964).
- Rolfe in Dyer, Fl. Cap. 5 (3): 244(1913).
- Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 31 271(1901).
- Kraenzl., Orch. Gen. et Sp. 1: 781(1899).
- N.E. Br. in Flora of Tropical Africa 7: 281 (1898).
- Schltr. in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 20, Beibl. 50: 41 (1895).
Flora Zambesiaca
Flora Zambesiaca
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Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
Herbarium Catalogue Specimens
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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