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Not a true raceme, an inflorescence of reduced cymes (these often reduced to a single flower); (In orchids) specialised leafless apical portion of the stem bearing inflorescences (found in some species of Dendrobium sections Aporum and Strongyle).  

Slim proximal portion of a leaf with narrow or incurled edges that resembles a petiole.  

Appearing to consist of one member but actually consisting of several (e.g. a gynoecium with a number of carpels).  

(In ferns) recurved modified lamina margin, covering and protecting the sori.  

(Of orchids) denotes a stem that grows indefinitely although the plant retains the sympodium and produces new shoots at the base (e.g. in Dendrobium section Grastidium).  

Used by Katinas (1996) to describe forms of inflorescence in which individual inflorescence branches terminate in glomerules [unusual term].  

Where regular sympodial branching takes place but with the apical meristem regularly aborted or forming a temporary structure such as an inflorescence.  

(Of orchids) a special type of mimicry in which the flowers resemble female insects (e.g. Ophrys) and are pollinated by males of that insect species when these attempt to copulate with the flowers. The act of an insect attempting to mate with a specialised flower that resembles a member of the opposite sex and thereby…

(In Cactaceae) dense mass of hair at the stem apex; (In Compositae/Asteraceae) aggregations of capitula into a secondary head of heads [unusual term].  

False dichotomy, not resulting from division of an apical meristem.