Compilation
Disa bivalvata

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Name

Identification
Disa bivalvata (L.f.) T.Durand & Schinz [family ORCHIDACEAE ]
Related name
  • Disa bivalvata

Flora

Entry for ORTHOPENTHEA bivalvata Rolfe [family ORCHIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Capensis
Resource Type
Reference Sources
Entry From
Flora Capensis, Vol 5, Part 3, page 3, (1913) Author: (By R. A. ROLFE.)
Names
ORTHOPENTHEA bivalvata Rolfe [family ORCHIDACEAE]
Ophrys bivalvata Linn. f. [family ORCHIDACEAE], Suppl. 403; Murr. Syst. Veg. xiv. 814.
Serapias melaleuca Thunb. [family ORCHIDACEAE], Prodr. 3.
Disa melaleuca Sw. [family ORCHIDACEAE], in Vet. Acad. Handl. Stockh. 1800, 213; Thunb. Fl. Cap. ed. Schult. 16, partly; Harv. Thes. Cap. i. 53, t. 84; Bolus in Trans. S. Afr. Phil. Soc. v. 166, Orch. Cap. Penins. 166, and Journ. Linn. Soc. xxv. 201.
Disa bivalvata Durand & Schinz [family ORCHIDACEAE], Conspect. Fl. Afr. v. 100; Kränzl. Orch. Gen. et Sp. i. 763; Schlechter in Engl. Jahrb. xxxi. 279.
Penthea melaleuca Lindl. [family ORCHIDACEAE], Gen. & Sp. Orch. 361; Drège, Zwei Pfl. Documente, 73, 82; Krauss in Flora, 1845, 306, and Beitr. Fl. Capund Natal. 158; Sond. in Linnæa, xx. 220.
Information
plant 1/3–1 ft. high; stem moderately stout; leaves radical and cauline, numerous, spreading or suberect, linear or lanceolate-linear, acute, somewhat rigid, 1–3 in. long, reduced upwards into the bracts; scapes 1/3–1 ft. high, with narrow sheaths above; spikes subcorymbose, 1–2 in. broad, many-flowered; bracts lanceolate or linear-lanceolate, acuminate, 1/2– 3/4 in. long; pedicels 1/2– 3/4 in. long; flowers medium-sized, white, slightly veined with green on the dorsal sepal, and the petals and lip deep brown or nearly black; dorsal sepal galeate, obovate from a narrow base, obtuse, concave or somewhat conduplicate, subsaccate above the middle, 5–6 lin. long; lateral sepals oblique, ovate-oblong, obtuse, flat, with a fleshy keel near the apex, 5–6 lin. long; petals oblique, broadly oblong, truncate, minutely denticulate, fleshy, about 3 lin. long; lip rhomboid-oblong, subacute, fleshy, 3 1/2 lin. long; column 2 1/2 lin. long; anther reflexed; rostellum erect, trifid at the apex, concave, with oblong bidentate side lobes; stigma pulvinate. null
Distribution
CENTRAL REGION Ceres Div.; Witzenberg and Skurfdeberg Ranges, Zeyher.COAST REGION Clanwilliam Div.; Blue Berg, 4000–5000 ft., Drège, 1247b! Worcester Div.; Dutoits Kloof, 3000–4000 ft., Drège! 1247a! Paarl Div.; Bains Kloof, Rehmann, 2287! Cape Div.; Table Mountain, 1200–3500 ft., Burchell, 651! Thunberg! Ludwig, Harvey! Bolus, 4208! Pappe, Zeyher, Rehmann, 568! Prior! Kässner, Schlechter! Wolley-Dod, 2212! Cape Flats, near Doorn Hoogte, Ecklon; Cape Point, Herschel! Muizen Berg, 1400 ft., Bolus, 4208! Schlechter, 148; hill west of Simonstown, Wolley-Dod, 2095! Steenberg, 900 ft., Dümmer, 973! Red Hill, Mrs. Jameson! Riversdale Div.; between Little Vet River and Garcias Pass, Burchell, 6855! George Div.; Cradock Berg, near George, Mund & Maire, Outeniqua Mountains, above Montagu Pass, 3000 ft., Schlechter, Penther, Krook. Knysna Div.; Elands River, Penther, 296! Humansdorp Div.; Storms River, 200 ft., Schlechter, Penther, Krook.SOUTH AFRICA without locality, Brown! Masson! Sieber! Villett! Thom, 276! Harvey, 246!

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