C Flashcards
Caducous
falling off early (as in sepals of poppy).
Caepitose
growing in tufts like grass
Callosity
a thickened swelling.
Calli
glandular hairs
Callus
a hard thickened part, e.g. on the labellum of some orchids
Calycle
the epicalyx. a whorl of bracts outside the true calyx: rim at the top of cup-shaped torus (Loranthaceae).
Calyx
the outer whorl of a flower when both sepals and petals are present. and consisting of free or united sepals.
Caylx-rim
or calycine ring: scar left by the operculum at the summit of the calyx-tube of the Eucalyptus flower-bud.
Calyx-tube
the enlarged floral receptacle (see hypanthium, floral-tube, torus) of the Eucalyptus flower-bud.
Campanulate
bell-shaped, e.g. a tubular corolla with petals ± united. i.e. wider at the top than at the bottom.
Canaliculate
longitudinally grooved or channelled
Caescent
grey or hoary
Capillary
hair-like
Capitate
having a rounded head
Capitulum
an inflorescence, having ± Sessile flowers crowded into a head
Capsule
a dry fruit consisting of more than 1 carpel and splitting into valves when ripe, or opening by pores or teeth at the apex
Carinatte
keeled
Carpel
See Pistil
the organ containing the ovules; a modified leaf folded lengthwise with edges joined, constituting a simple pistil or an element of a compound pistil.
Caruncle (aril)
a fleshy appendage of the seed, growing near the seed stalk
Caryopsis
an achene with seed joined to the ovary wall
Catkin
a spike consisting of small unisexual apetalous flowers
Caudate
bearing a tail-like appendage
Caudex
stem
Caudicle
a strap-like structure connecting the pollen masses in orchids to the viscid disc of the appendage to the stigma; stalk of pendulous or erect pollen-masses as in Rhyncharrhena and Leichardtia (Asclepiadaceae)
Cauline
ins<’rt<’d on. or pertaining to. the stem
Cernuous
drooping. head turned downwards
Chaff
a small. thin. dry and membranous scale or bract. in particular the bracts (chaffy scales) in t he f1ower-heads of some members of the Asteraceae
Ciliate
fringed with hairs or ‘cilia’ (as in leaf)
Ciliolate
bordered by, very short hairs.
Cinereus
ashy-grey
Circinate
rolled coil-wise from the top downwards
Circumsciss
when a capsule opens along a horizontal. circular line so that the top or lid breaks away
Cladode
a green. flattened stem which resembles a leaf
Clavate; Claviform
club-shaped
Claw
the- narrow lower part of a petal or involucral bract; in orchids it particularly refers to the labellum.
Coccus
the I -seeded carpel of a syncarpous fruit which splits away from another when ripe
Column
the stamens and style when combined in a solid body as in Orchidaceae and Stylidiaceae: the lower part of the awn in grasses.
Columnar tube
a hollow tube of united stamina! filaments embracing style and ovary, e.g. Malvaceae
Coma
a tuft of silky hairs attached to the end of a seed
Complicate
folded together or folded upon itself
Compound leaf
a leaf of two or more leaflets
Compressed
more or less flattened laterally; as in fruits of Apium
Conduplicate
folded together lengthwise
Cone-scale
the- fleshy stalk-like base (fruit) to which the seed is attached in Podocarpaceae.
Cone-vave
woody bracteoles and bracts surrounding the true fruit in Casuarina
Confluent
running together. commonly pertaining to anther cells
Connate
joined together at the base (e.g. petals in gamopetalous flowers).
Connective
the part of the anther distinct from the filament which connects the 2 cells
Connivent
organs approaching one another at the summit
Contaguous
when neighbouring parts are in contact without fusing
Cordate
heart-shaped. as in leaves with the notch at the base
Coriaceous
leathery in texture (as in leaves).
Corm
a tuberous underground stern
Corolla
See Perianth
the inner whorl of a f1ower consisting of free- or united petals. For lobe. tube and segment
Corona
a small ring or crown of free or united appendages. inserted inside the corolla
Corymb (corymbose)
an inflorescence in which the lowest flower stalks continue to grow until they reach approximately the- same level as the terminal one. so that all the flowers are
brought to the same Ind. The oldest flowers arc at the edges
Costate
ribbed with ± parallel lines distinctly raised; as in calyx-tube of some Eucalyptus species.
Cotyledon
the first leaf (seed-leaf) of the plant embryo
Crenate
margin cut into blunt or rounded teeth
Crenulate
crenate. with very small teeth.
Crisped
markedly wavy or undulate. curled
Cristate
crested
Cucullate
hooded
Culm
the stem of grasses. usually hollow except at the nodes
Cuneate (cuneiform)
wedge-shaped, with the narrow end at point of attachment. as the bases of leaves or petals.
Cuspidate
tipped with a sharp, rigid point.
Cymbiform
boat-shaped (keel of Papilionaceae).
Cyme
an inflorescence in which the main axis stops growing on the production of a flower. In the cymose inflorescence the oldest flowers are in the centre not on the ed1ses as in a corymb
Cymule
a diminutive cyme
Cypsela
a small, indehiscent, dry, 1-seed<”d fruit formed from an inferior ovary (e.g. Asteraceae), often loosely called an achene