African Plant Database


Habenaria holubii Rolfe
Family : ORCHIDACEAE
Protologue : Fl. Trop. Afr. [Oliver et al.] 7(2): 249 (1898)
Information on the genus : Habenaria
 
 
Status
Status for TA : accepted (present)
 
Synonym(s) Heterotypic
=Habenaria brevilabris Kraenzl. (1914)
=*Habenaria clavata auct. Geerinck
=Habenaria henningiana Schltr.
=Habenaria rhopaloceras Schltr. (1903)
=Habenaria valida Schltr. (1906)
 
Ecology and distribution
Trop. Afr.
Biology : Terrestrial herb 20-80 cm tall; tuber 1, ovoid-ellipsoid 2,5-5x1-2,5 cm; leaves cauline, 7-11, spread, mid-stem ones the largest, ovate-lanceolate, 7-15x2-4,5 cm, upper ones bract-like; inflorescence 4-25 cm long, loosely 3-19-flowered; flowers curved upwards, pale green or greenish-white, sometimes sweetly scented; bracts leafy, lanceolate, 20-60 mm long; pedicel and ovary curved upwards, 45-75 mm long; dorsal sepal erect, very convex, elliptic-lanceolate, 15-20x6-10 mm; laterals deflexed, oblanceolate, 18-24x10-15 mm, rolled up lengthwise; petals 2-lobed from near base, lobes linear; upper lobe erect, 15-20 mm long, adherent to dorsal sepal; lower lobe curving upwards and outwards like a horn, 20-40 mm long; lip 3-lobed from near base, lobes linear; midlobe deflexed and incurved, 20-35 mm long; side lobes projecting forwards but upright, 6-10(-17) mm long; spur 55-75 mm long, parallel to ovary, club-shaped, apex swollen.
Ecology : Swampy grassland, often by streams; dambo; moist meadows; edge of gallery forest; shrubby meadow in red soil; grassland with black sandy soil; rarely dry woodland; 580-2300 m alt.
  “…the woodland form [flowers] is heavily scented, the grassland form is not” (Fl. Zambes. 11/1: 121, 1995). Included in H. clavata by, e.g., Geerinck in Fl. Afr. Centr., Orchid. 1: 124, 1984; Stewart & Campbell, Orchids Kenya: 132, 1996. Not cited by Perez-Vera, Orchidées Côte d’Ivoire, 2003. H. binghamii is closely related.
  Namibia.

Bibliography for Tropical Africa :
  • Exell, A. & Wild, H. (1995). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[1]: 119,121
 
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
see under Orchidées d'Afrique Centrale
see under African Plants - a Photo Guide
see under Flora of Zimbabwe
 
Map
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Record n°45376 modified 2007-04-05
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