Compilation
Disa gregoriana

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Name

Identification
Disa gregoriana Rendle [family ORCHIDACEAE ] Disa stairsii Kraenzl. [family ORCHIDACEAE ] (stored under name);
Related name
  • Disa gregoriana
  • Disa stairsii

Flora

Entry for DISA Stairsii Kränzl. [family ORCHIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 7, page 12, (1898) Author: (By R. A. Rolfe.)
Names
DISA Stairsii Kränzl. [family ORCHIDACEAE], in Gard. Chron. 1892, xii. 728.
DISA gregoriana Rendle [family ORCHIDACEAE], in Journ. Linn. Soc. 1895, xxx. 398.
DISA Wissmannii Kränzl. [family ORCHIDACEAE], in Engl. Pfl. Ost-Afr. C. 154.
DISA Wissmanni Kränzl. [family ORCHIDACEAE], in Engl. Jahrb. xxii. 21.
Information
Plant about 2 ft. high, glabrous. Lower leaves ascending, 5–7 in. long, 7–14 lin. broad, strap-shaped or lanceolate, acuminate, upper gradually smaller and becoming reduced to acuminate sheaths. Spike 3–4 in. long, 1 1/4–1 1/2 in. diam., rather lax. Bracts as long as or longer than flowers, 3/4–1 3/4 in. long, 3 1/2–5 lin. broad, lanceolate, acuminate. Dorsal sepal erect, 3 1/2–4 lin. long, 2 1/2 lin. broad, subhemispherical, hooded at the obtuse apex; spur slender, 8–9 lin. long, 2/3 lin. thick, pendulous, curved. Lateral sepals spreading and deflexed, 4 lin. long, 2–2 1/4 lin. broad, oblong, obtuse with a short dorsal apiculus at the apex. Petals free or nearly so, 2 1/2 lin. long, 3/4 lin. broad, entire, falcate-oblong, obtuse or subacute. Lip 3 1/2–4 lin. long, 1 1/3 lin. broad near the apex, cuneate-oblong, obtuse. Anther horizontal, 3/4–1 lin. long. Rostellum short, truncate, with a very slight fold between the anther-cells.
Distribution
German East Africa Mozamb. Dist. Kilimanjaro; Kifinika Volcano, Volkens, 1893! 8000–10,000 ft., Volkens, 1171! 1948.British East Africa Nile Land Mount Kenia, 10,400 ft., Gregory! Toru; Yeria, 10,000 ft., Scott-Elliot, 7850! 7860! Ruwenzori; Butagu Valley, 10,000–12,000 ft., Scott-Elliot, 8058! Stairs, 51.

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