Category: Plants | AlegsaOnline.com

Plantation of Ulster

Planthopper

Planthopper (Fulgoromorpha): appearance, life cycle, ecology, and importance

Plastid

Plastid (plant and algal organelle)

Platanaceae

Platanaceae — the plane‑tree family (Platanus)

Platanus

Platanus (plane trees): description, distribution, uses and threats

Platanus orientalis

Platanus orientalis — the Oriental plane (chenar)

Plum

Plum (fruit)

Plumbaginaceae

Plumcot

Poa pratensis

Poaceae

Poaceae (Gramineae): the grass family

Poales

Poales: the order of grasses, sedges, bromeliads and related monocots

Podocarpaceae

Podocarpaceae: the Southern Hemisphere conifer family

Poinsettia

Poinsettia (Euphorbia pulcherrima): description, cultivation, and cultural significance

Poison ivy

Pollen tube

Pollination

Polygonaceae

Polygonaceae: the knotweed and buckwheat family of flowering plants

Pome

Pome (accessory fruit of the Rosaceae family)

A pome is an accessory fruit produced by plants in the Malinae subtribe of Rosaceae; the true seeds lie in a central core and the edible flesh is formed from floral tissues. Exampl

Pomegranate

Pomegranate (Punica granatum): biology, cultivation, uses and cultural importance

Overview of the pomegranate, a deciduous shrub or small tree valued for edible arils and juice. Covers botanical classification, history, cultivation, culinary uses, health aspects

Poppy

Poppy: biology, varieties, cultural significance and uses

Populus

Populus: the poplars, aspens and cottonwoods — natural history and uses

Portulacaceae

Posidoniaceae

Potamogeton

Potamogeton (pondweeds): freshwater aquatic plants

Potato

Potato blight

Potato blight (late blight of potato)

Prickly pear

Prickly pear (Opuntia): overview, biology, uses and invasive history

Primula

Primula — the primroses: a genus of spring-flowering herbs

Primulaceae

Primulaceae — the primrose family: characteristics, history, and uses

Prosopis tamarugo

Prosopis tamarugo — tamarugo, a leguminous tree of the Atacama Pampa

Prosthechea cochleata

Prosthechea cochleata — cockleshell (clamshell) orchid, Belize's Black Orchid

Protea

Protea — diversity, ecology and cultural importance of the South African shrub

Proteaceae

Proteaceae: family of Southern Hemisphere flowering plants

Proteales

Proteales — Order of eudicot flowering plants (Proteaceae, Nelumbonaceae, Platanaceae)

Plants