AFRICAN

ORCHIDS

Holothrix villosa Lindl., Companion Bot. Mag. 2: 207 (1837).
Heterotypic Synonyms:
Holothrix villosa subsp. chimanimaniensis G.Will., Kirkia 13: 247 (1990).
Description:
Terrestrial herb 18–30 cm tall. Tubers c. 17 × 10 mm, ovoid, villous. Leaves 2, appressed to ground, 16–25 × 15–27 mm, heart-shaped, pilose. Scape without sheaths, with spreading hairs. Inflorescence 4–7 cm long, fairly densely many-flowered, flowers secund; ovary 3 mm long; bracts 2.5 mm long, sparsely hairy. Flowers buff to straw-yellow. Sepals 2–2.5 × 1.4–1.7 mm, ovate, obtuse, glabrous, the lateral sepals oblique. Petals 3.3–3.4 × 1–1.5 mm, lanceolate-ligulate, obtuse, thickened towards the tip, entire. Lip 2.8–3.5 × 2.2–2.8 mm, 3-lobed; lobes 0.6–1.2 mm long, obtuse, somewhat papillose. Spur c. 2 mm long, the apex obtuse and slightly upturned. Anther 1 mm high. Ovary hairy.
Habitat:
Is found on sandstone and granite slopes and pavements. It is widespread, occurring from Namaqualand, the Western, Southern, and Eastern Capes and the Western Karoo of South Africa to Zimbabwe. It therefore occurs in both summer and winter rainfall areas.
Distribution:
W. & S. Cape Prov., E. Zimbabwe, Réunion
References:
Wild Orchids of Southern Africa Stewart, Linder, Schelpe & Hall 1982; Orchids of Southern Africa Linder & Kurzweil 1999; Flora Capensis, Vol 5, Part 3, page 3, (1913) Author: (By R. A. ROLFE.); FZ, Vol 11, Part 1, (1995) Author: I. la Croix and P.J. Cribb; NEW ORCHIDS FROM THE FLORA ZAMBESIACA REGION GRAHAM WILLIAMSON, Kirkia, Vol. 13, No. 2 (1990), pp. 245-252; Revision der Gattung Holothrix R. Schlechter, Österreichische Botanische Zeitschrift, Vol. 48, No. 11 (November 1898), pp. 413-416; 515. BARTHOLINA BURMANNIANA: Orchidaceae Graham Duncan, Curtis's Botanical Magazine, Vol. 22, No. 1 (February 2005), pp. 25-31
Images:
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Holothrix villosa, 01
 
Holothrix villosa, 02
 
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Photograph© Cameron
McMaster. Image used
with kind permission. 
Photograph© Cameron
McMaster. Image used
with kind permission. 
Photograph© Cameron
McMaster. Image used
with kind permission. 
Photograph© Cameron
McMaster. Image used
with kind permission. 
Photograph© Cameron
McMaster. Image used
with kind permission. 
Photograph© Cameron
McMaster. Image used
with kind permission.