Aerangis fastuosa	Aerangis bovicornu
Dorsal sepal (mm)	17 – 36 × 5.5 – 9	7.8 – 8.6 × 3.6 – 3.9
Lateral sepals (mm)	19 – 36 × 5.5 – 8.5	8.7 – 8.9 × 3.5 – 3.7
Petals (mm)	19 – 34 × 6 – 10	8.3 – 8.6 × 3.8 – 4.1
Lip (mm)	20 – 34 × 5 – 13	7.6 – 8.2 × 3.9 – 4.1
Spur	70 – 102 × 1 – 1.8 mm, generally coiled	20 – 23 × 0.9 –1.3 mm, straight
Column	3 – 4 × 2 – 3 mm, apex broadened	3 – 5 mm × 1 – 3 mm, apex narrow
Anther	2.2 – 4 × 1.8 – 2 mm, conical with long beak	up to 1.4 × 1.6 mm, broadly obovoid
		with a small rounded swelling at the apex
Flowering time	June to November	December to January