Cyme. Flat-topped or convex flower-cluster, the central flower opening first; blossoming outward.
Deciduous. Falling off, as leaves in autumn, or calyx and corolla before fruit grows.
Declining. Bent downwards.
Decurrent. Leaves prolonged on the stem beneath the insertion: branchlets springing out beneath the point of furcation, as the feathering along the trunk of elms, etc.
Dentate. With teeth pointing outwards.
Disk. Central part of a head of flowers; fleshy expansion of the receptacle of a flower; any rounded, flat surface.
Drupe. A stone fruit; soft externally with a stone at the center, as the cherry and peach.
Erose. Eroded, as if gnawed.
Exserted. Protruding, projecting out of.
Falcate. Scythe-shaped.