AFRICAN

ORCHIDS

Ancistrorhynchus straussii (Schltr.) Schltr., Beih. Bot. Centralbl. 36(2): 139 (1918).
Homotypic Synonyms:
Angraecum straussii Schltr., Bot. Jahrb. Syst. 38: 164 (1906).
Cephalangraecum straussii (Schltr.) Summerh. in J.Hutchinson & J.M.Dalziel, Fl. W. Trop. Afr. 2: 462 (1936).
Description:
Plant erect with a short stem 2.5 cm long. Leaves 5–7, linear, or linear-lanceolate, unequally bilobed at the apex, the lobes rounded, entire or finely denticulate, 5–13 cm long, 3–13 mm wide. Inflorescences capitate, dense, 5- to 14-flowered; bracts oblong-elliptic, 3–4 mm long; pedicel with ovary 4 mm long. Flowers very small, white with 2 green spots on the lip; sepals oblong-elliptic, obtuse, 2.6 mm long, 1 mm wide; petals similar to the sepals; lip concave, obscurely 3-lobed, the lobes rounded, 2.7 mm long, 3 mm wide; spur straight, inflated at the middle, narrowing towards both ends, 1.5–3.5 mm long.
Habitat:
In primary forest; 700 m.
Cultivation:
As given for the genus, hot to warm growing epiphyte.
Distribution:
Nigeria to WC. Trop. Africa
References:
Angraecoid Orchids Stewart, Hermans and Campbell 2006; WCSP (2017). 'World Checklist of Selected Plant Families. 10.03-2017; http://apps.kew.org/wcsp/
Images:
Click on each image to see a larger version.