Aerangis spp. 
Family: Orchidaceae
Mark Hyde, Bart Wursten and Petra Ballings
Epiphytic herbs. Stem usually unbranched covered with remains of overlapping leaf bases. Leaves distichous, usually oblanceolate, fleshy or coriaceous, often with reticulate venation, unequally 2-lobed at apex. Inflorescence lateral, racemose, few- to many-flowered. Flowers white, sometimes tinged with green, brown or pink. Sepals and petals free. Lip entire, often similar to sepals and petals; base with a long spur. Column often narrow towards base, enlarged at level of stigma; pollinia 2; stipes 1.
Derivation of name: Aer (Gr); angis (Gr), meaning air-vessel, probably referring to the long hollow spurs.
Worldwide: c. 60 in tropical and South Africa, one extending to Sri Lanka
Rwanda: 3 taxa
Zimbabwe: 6 taxa.
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