- P -
Palate. The projection
from the lower lip of two-lipped personate corollas.
Palet. A bract-like organ enclosing
or subtending the flower in brasses.
Palmate. Diverging radiately like the
Pandurate ; Pandiriform.
Panicle. A compound flower cluster of
the racemose type, or cluster of sporanges.
Paniculate. Borne in panicles or
resembling a panicle.
Papilionaceous. term applied to the
irregular flower of the Pea family.
Papillose. With minute blunt
Pappus. The bristles, awns, teeth,
etc., surrounding the achene in the Chicory and Thistle families.
Parasitic. Growing upon other plants
and absorbing their juices.
Parietal. Borne along the wall of the
ovary, or pertaining to it.
Parted. Deeply cleft.
Pedicel. The stalk of a flower in a
flower-cluster, or of a sporange.
Peduncle. Stalk of a flower, or a
flower-cluster, or a sporocarp.
Pedunculate. With a peduncle.
Peltate. Shield-shaped ; a flat organ
with a stalk on its lower surface.
Penicillate. With a tuft of hairs or
Perfect. Flowers with both stamens
Perfoliate. Leavs so clasping thes stem
as to appear as if pierced by it.
Perianth. the modified flora leaves
(sepals or petals), regarded collectively.
Pericarp. The wal of the fruit, or
Perigynium. The utricle enclosing the
ovary or achene in the genus Carex.
Perigynous. Borne on th
perianth, around the ovary.
Peripheral. Pertaining to the periphery.
Persistent. Organs remaining attached to
those bearing them aftger the growing period.
Petal. One of the leaves of the
Petaloid. Similar to petals ;
Petiolate. With a petiole.
Petiole. The stalk of the leaf.
Phyllode. A bladeless pettiole or
Phyllopodic. In Carex, with lower leaves of the fertile
culms normally blade-bearing.
Pilose. With long soft hairs.
Pinna. A primary division of a
pinnately compound leaf.
Pinnate. Leaves divided into leaflets
or segments along a common axis.
Pinnatifid. Pinnately cleft to the
middle or beyond.
Pinnule. A division of a pinna.
Pistil. the central organ of a
flower containing the macrosporanges (ovules).
Pistillate. with pistils ; and usually
employed in the sense of without stamens.
Placenta. An ovule-bearing surface.
Plicate. Folded into plaits, like a
Plumose. Resembling a fan or feather.
Plumule. The rudimentary terminal bud
of the embryo.
Pollen. Pollen-grain. Contents of the
anther. See Microspore.
Pollinia. The pollen-masses of the
Orchid and Milkweed Families.
Polygamous. Bearing both perfect and
Polypetalous. With separate petals.
Pome. The fleshy fruit of the
Procumbent. Training or lying on the
Prothallium, [plural: Prothalla] the sexual
Puberulent. With very short hairs.
Pubescent. With hairs.
Punctate. With transluscent dots or
Pungent. With a sharp stiff tip.
B | C
D | E
F | G
H | I
J | K
L | M
N | O
P | Q
R | S
T | U
V | W
X | Y
Volume 1, page xx: Nathanie1 L.
Britton amd Addison Lord Brown, An
Illustrated Flora of the Northern United States,Canada, and the
British Possessions from Newfoundland to the Parallel of the Southern
Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d
Scribner's Sons, 1913
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