African Plant Database


Aerangis thomsonii (Rolfe) Schltr.
Family : ORCHIDACEAE
Protologue : Beih. Bot. Centralbl. 36(2): 121 (1918)
Information on the genus : Aerangis
Basionym : Angraecum thomsonii Rolfe
 
 
Status
Status for SA : accepted (present)
Status for TA : accepted (present)
 
Synonym(s) Homotypic
 Angraecum thomsonii Rolfe (1897)
 
Synonym(s) Heterotypic
=Aerangis friesiorum Schltr. (1924)
 
Ecology and distribution
Trop. Afr.
Biology : Large epiphytic herb; stems long, woody, 10-100 cm long; roots whitish, to 9 mm Ø; leaves 8-20, distichous, widely spaced, hard and leathery, ligulate, 8-28x1,5-4,5 cm, dark green, apex unequally 2-lobed; inflorescences arching, borne at nodes, to 20 cm long, 4-10-flowered; flowers pure white, erect, in 2 rows; pedicel and ovary green, 3-6 cm long; tepals strongly bent back, lanceolate-elliptic, c. 2-3x0,6-0,9 cm; lip reflexed, elliptic-lanceolate, 2-2,5x0,8 cm; spur flexuous, 10-15 cm long, widened and flattened towards tip. – Old plants are the largest of the African Aerangis species.
Ecology : Forest, in moderate to deep shade, on tree trunks and branches rather low down; 1500-3000 m alt.
  Large plants distinctive and can then be distinguished from A. coriacea. The two sometimes grow in the same forests but A. thomsonii at higher altitudes.
 
More info on :
see under Jstor_African Plant Initiative
see under The International Plant Name Index
 
Map
carte afrique num 44795
 
Record n°44795 modified 2007-04-18
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