Pistillate, having a pistil or pistils, and no stamens.
Puberulent, minutely pubescent.
Pubescent, covered with hairs, usually soft and short.
Rachis, the axis (backbone) of a spike, or of a compound leaf.
Radiate, diverging from a common center, or bearing ray-flowers; said of flower-heads of composite plants.
Radical, belonging to or proceeding from the root, or from the base of the stem.
Ray, one of the radiating branches of an umbel; the marginal flowers, as distinct from those of the disk, in Compositæ, etc.
Receptacle, a more or less expanded surface, forming a support for a cluster of organs (in a flower) or a cluster of flowers (in a head), etc.
Recurved, curved backward or downward.
Reflexed, abruptly bent or turned backward or downward.