Pterygodium platypetalum Lindl.
  • Gen. Sp. Orchid. Pl.: 366 (1838) 


Notes: Distribution: SW. Cape Prov.

General Description

plant 3–6 in. high; stem slender, flexuous; leaves cauline, 2, sessile, suberect, lanceolate or oblong-lanceolate, subacute, the lower 3/4–1 in. long, the upper smaller and more acute; scapes 3–6 in. high, 1–2- (rarely 3-) flowered; bracts ovate-spathaceous, acute, 4–5 lin. long; pedicels 2–3 lin. long; flowers rather large, pale yellow; dorsal sepal galeate, ovate-lanceolate, acute or acuminate, deeply concave or subsaccate at the base, 2–2 1/2 lin. long; lateral sepals spreading, obliquely ovate, acute, conduplicately folded at the base in front, 3 1/2 lin. long; petals united to the dorsal sepal at the base into a spreading limb, broadly orbicular or reniform-orbicular, with sinuate or subcrenulate outer margin, bilobed at the adjacent inner angles, very concave, 4 1/2 lin. long, broader than long; lip 3-lobed, saddle-shaped, 3 1/2 lin. long, with rounded reflexed side lobes and a narrowly triangular subobtuse front lobe; appendage elliptic-spathulate, obtuse, sharply reflexed into the sac of the dorsal sepal, subconduplicate at the base, 1 1/2 lin. long; column short; arms of the rostellum curved, oblong, obtuse, about 1 lin. long.

Distribution

South Africa Malmesbury Div.; hills near Malmesbury, {i}Bachmann{/i}. Paarl Div.; marshes near the Berg River, below 100 ft., {i}Drège{/i}; near Wellington, {i}Miss Cummings{/i}. Worcester Div.; Dutoits Kloof, 2000–3000 ft., {i}Drège{/i}, 8280 a! Cape Div.; near Constantia, {i}Krauss{/i}, 1325; mountains behind Houts Bay, 1800 ft., {i}Marloth in Herb. Bolus{/i}, 4945! Devils Mountain, {i}Pillans{/i}; eastern slopes of Vlagge Berg, 1000 ft., {i}Schlechter{/i}, 1455! Stellenbosch Div.; near Stellenbosch, {i}Marloth, Miss Farnham in MacOwan & Bolus, Herb. Norm. Austr.-Afr.{/i} 1379! Lowrys Pass, 250 ft., {i}Schlechter{/i}, 1153! Caledon Div.; Houw Hoek Mountains, {i}Ecklon & Zeyher{/i}, 115! {i}Schlechter{/i}, 5473, Zwart Berg, near Caledon, 400–2000 ft., {i}Zeyher{/i}, 3944! {i}Bolus{/i}. Swellendam Div.; Puspas Valley, near Swellendam, {i}Zeyher, Bolus{/i}.

South Africa without locality, {i}Masson{/i}!

Literature

Gen. & Sp. Orch. 366;—Drège, Zwei Pfl. Documente, 81, 98; Krauss in Flora, 1845, 306, and Fl. Capund Natal. 158; Sond. in Linnæa, xix. 109; Bolus in Trans. S. Afr. Phil. Soc. v. 184; Orch. Cap. Penins. 184, in Journ. Linn. Soc. xxv. 208, and Ic. Orch. Austr.-Afr. i. t. 48; Schlechter in Bull. Herb. Boiss. 1 re sér. vi. 807.

Distribution Map

 
  • Native distribution
Found in
  • Africa Southern Africa Cape Provinces

  Bibliography

  • 1 Liltved, W.R. & Johnson, S.D. (2012). The Cape orchids. A regional monograph of the orchids of the Cape floristic region 1: 1-483. Sandstone editions, Cape Town.
  • 2 Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 3 (By R. A. Rolfe.) (1913) Orchideæ. Flora Capensis 5 (3)

 Information From

Flora Capensis
http://apps.kew.org/efloras/
Flora Capensis. Published on the Internet; http://apps.kew.org/efloras/
WCS higher taxonomy
  • B All Rights Reserved
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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