Glossary
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Caespitose (cespitose)
Tufted; several or many stems in a close tuft.

Callus
The indurate downward extension of the mature lemma in Stipa, Aristida, and some other genera.

Capillary
Very slender or hairlike.

Capitate
In a globular cluster or head.

Capitellate
Posessing a minute swelling at the apex.

Cartilaginous
Firm and tough, but flexible; like cartilage.

Caryopsis
One-seeded, dry, indehiscent fruit or grain of grasses with a lateral embryo. The seed coat is adnate to the pericarp.

Cauline
Belonging to the stem, such as stem leaves.

Central axis
The main axis of the inflorescence.

Central groove
A longitudinal depression in the sides of the pedicels of Bothriochloa.

Cespitose
See caespitose.

Chlorenchyma
Parenchyma cells containing chloroplasts.

Ciliate
Fringed with hairs on the margin.

Ciliolate
Minutely ciliate.

Clasping
To hold parts together; holding.

Cleistogamous
Applied to flowers or florets fertilized without opening; must be self-fertile.

Cluster
A number of similar things, e.g. bracts or spikelets, grouped together.

Coleoptile
A protective sheath for the young shoot in the embryo.

Coleorhiza
The sheath of the monocotyledonous embryo that protects the primary root or radicle.

Collar
The area on the outer (abaxial) side of a leaf at the junction of the sheath and blade.

Column
The lower, undivided part of the awns of certain Aristida species.

Compact
Short and dense.

Compressed
Flattened strongly, typically laterally; keeled.

Concave
Dished inward, an existing hollow.

Connate
Fusion of like parts, such as sheath margins to form a tube.

Continuous
A rachis or other organ that does not disarticulate.

Contracted
Narrow or dense inflorescences, the branches being appressed or short.

Convex
Rounded on the surface.

Cordate
The heart-shaped base and pointed apex of a structure e.g. a leaf blade.

Coriaceous
Leathery texture.

Cork Cell
In the epidermis of grasses, ashort cell that contains suberin in its walls.

Corm
Short, bulb-like stem.

Crisp
Undulating in a horizontal plane.

Crown
Persistent base of a perennial.

Culm
The jointed grass stem, composed of nodes, internodes, leaves, and axillary buds.

Cylindrical
Shaped like a tube, round in cross section with parallel margins.