flattened lengthwise, as in the pod of a pea, or in some stems.
approaching the form of a cone.
when the bases of two opposite leaves are united round the stem, so that this appears to pass through them.
where there is no break in the arrangement of parts; the opposite of interrupted.
when an organ is folded or twisted back upon itself.
rolled up in a longitudinal direction, so that one edge overlaps the other, as the spathe of an Arum.
resembling the heart in a pack of cards.
resembling cork in texture.
the swollen, succulent, bulblike mass which composes the stem of certain monocotyledons, as in the Crocus; frequently termed a solid-bulb.
of or belonging to a corolla.
certain appendages, free or united, seated on the inner surface of the perianth, as the cup in Narcissus, or the scales in Silene.
an inflorescence of which the branches originate at different parts along the main axis, and elevate all the flowers to about the same height.
approaching the form assumed by the corymb.
bearing long soft entangled and interlaced hairs.
having a series of rounded marginal prominences.
approaching the figure of a crescent, as the glands on the involucre of Euphorbia.
an irregular, elevated, notched ridge, resembling the crest of a helmet.
a term applied to the lower tribes of plants, which are not furnished with true flowers.
having the characteristics of the cryptogams, that is, not bearing true flowers.
the stem of a grass.
bearing cupules or involucres composed of bracts adhering by their bases, and forming a sort of cup in which the fruit is seated, as in the oak or nut.
gradually tapering into a sharp stiff point.
approaching closely to the form of a cylinder; as the stems of grasses.