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Olacaceae Olacaceae
Olacaceae- Botanical characteristics of this family of trees, shrubs and lianas, with technical drawings of Olax and Aptandra. ...
The Oleaceae The Oleaceae
The Oleaceae- Brief botanic information on the family. Includes a collection of photographs. ...
Oleaceae Oleaceae
Oleaceae- Botanical characteristics of this family of trees, shrubs and lianas, with illustrations of several species. ...
Oliniaceae Oliniaceae
Oliniaceae- Botanical characteristics of this family of much branched small trees and shrubs, with technical drawings of Olinia. ...
Onagraceae Onagraceae
Onagraceae- Images of seven species. ...
Onagraceae Onagraceae
Onagraceae- Botanical characteristics of this family with illustrations of several species. ...
Oncothecaceae Oncothecaceae
Oncothecaceae- Botanical characteristics of this family of small trees and shrubs. ...
Parasitic Plants - Opiliaceae Parasitic Plants - Opiliaceae
Parasitic Plants - Opiliaceae- Description, range map, list of genera, and images. ...
Opiliaceae Opiliaceae
Opiliaceae- Botanical characteristics of this family of parasitic trees, shrubs and lianas, with technical drawings of Opilia. ...
Orobanchaceae Orobanchaceae
Orobanchaceae- Botanical characteristics of this family of parasitic plants lacking chlorophyll, with illustrations of several species. ...
Oxalidaceae Oxalidaceae
Oxalidaceae- Description of this family with photos and facts for individual plants. ...
Oxalidaceae Oxalidaceae
Oxalidaceae- The characteristics of the Wood Sorrel family. ...
Oxalidaceae Oxalidaceae
Oxalidaceae- Botanical characteristics of this family of plants with illustrations of Oxalis and Biophytum. ...
Pandaceae Pandaceae
Pandaceae- Botanical characteristics of this family of trees and shrubs. ...
The Papaveraceae The Papaveraceae
The Papaveraceae- Description of members of this family and photographs of a number of species. ...
Papaveraceae Papaveraceae
Papaveraceae- The characteristics of the Poppy family which includes about 250 species. ...
Papaveraceae Papaveraceae
Papaveraceae- Botanical characteristics of this family of plants with illustrations of several species. ...
Passifloraceae Passifloraceae
Passifloraceae- Botanical characteristics of this family of trees, shrubs and lianas, with illustrations of several species. ...
Pedaliaceae Pedaliaceae
Pedaliaceae- Botanical characteristics of this family of xerophytic plants, with technical drawings of Sesamum and Pedalium. ...
Penaeaceae Penaeaceae
Penaeaceae- Botanical characteristics of this family of shrubs with technical details of Penaea and Saltera. ...
Pentaphragmataceae Pentaphragmataceae
Pentaphragmataceae- Botanical characteristics of this family of coarse herbs. ...
Pentaphylacaceae Pentaphylacaceae
Pentaphylacaceae- Botanical characteristics of this family of small evergreen trees and shrubs. ...
Periplocaceae Periplocaceae
Periplocaceae- Botanical characteristics of this family with technical details of Taccazea and Periploca. ...
Physenaceae Physenaceae
Physenaceae- Botanical characteristics of this family of small trees and shrubs. ...
Phytolaccaceae Phytolaccaceae
Phytolaccaceae- Botanical characteristics of this family with technical drawings of Phytolacca and Seguieria. ...
The Piperaceae The Piperaceae
The Piperaceae- Botanical characteristics of this family with photographs and a brief description of a number of individual species. ...
Piperaceae Piperaceae
Piperaceae- Botanical characteristics of this family of shrubs, lianas and small trees, with technical drawings of Piper. ...
Thomas Schoepke Plant Image Gallery: Piperaceae Thomas Schoepke Plant Image Gallery: Piperaceae
Thomas Schoepke Plant Image Gallery: Piperaceae- Images of Peperomia and Piper species. ...
Pittosporaceae Pittosporaceae
Pittosporaceae- Botanical characteristics of this family of trees, shrubs and lianas, with technical drawings of Cheiranthera and Pittosporum. ...
Plantaginaceae Plantaginaceae
Plantaginaceae- Botanical characteristics of this family of plants with illustrations of Plantago and Littorella. ...
Platanaceae Platanaceae
Platanaceae- Botanical characteristics of this family of large trees, with technical drawings of Platanus. ...
Plumbaginaceae Plumbaginaceae
Plumbaginaceae- The characteristics of the Leadwort family which includes about 560 species. ...
Plumbaginaceae Plumbaginaceae
Plumbaginaceae- Botanical characteristics of this family, with illustations of Armeria, Plumbago, Limonium, Statice and Dyerophytum. ...
Podostemaceae Podostemaceae
Podostemaceae- Botanical characteristics of this family of aquatic plants with technical drawings of Tristicha alternifolia. ...
Polemoniaceae Polemoniaceae
Polemoniaceae- The characteristics of this plant family of about 300 species. ...
Polemoniaceae: Phlox Family Polemoniaceae: Phlox Family
Polemoniaceae: Phlox Family- Photographs and comprehensive information on this family of plants from the Tree of Life web project. ...
Polemoniaceae Polemoniaceae
Polemoniaceae- Botanical characteristics of this family with technical drawings of Polemonium. ...
Polygalaceae (Milkwort Family) Polygalaceae (Milkwort Family)
Polygalaceae (Milkwort Family)- Information on this family and a photograph and description of Polygala californica. ...
Polygalaceae Polygalaceae
Polygalaceae- Botanical characteristics of this family with illustrations of Polygala and Securidaca. ...
Close-up View of Common Knotweed, Common Lamb’s-quarters and Sheep Sorrel Close-up View of Common Knotweed, Common Lamb’s-quarters and Sheep Sorrel
Close-up View of Common Knotweed, Common Lamb’s-quarters and Sheep Sorrel- Photographic study by Brian Johnston of these three species, Polygonum arenastrum, Chenopodium album and Rumex acetosella. ...
The Polygonaceae The Polygonaceae
The Polygonaceae- Description of the family, which are herbs, shrubs, or rarely trees comprising about 30 genera and 1,000 species. Includes photos of a few examples. ...
Polygonaceae Polygonaceae
Polygonaceae- Description of the family. ...
Fraxinus profunda: Pumpkin Ash Fraxinus profunda: Pumpkin Ash
Fraxinus profunda: Pumpkin Ash- Tree identification fact sheet with photos of the leaf, flower, fruit, twig, bark and form. ...
Polygonaceae (Buckwheat Family) Polygonaceae (Buckwheat Family)
Polygonaceae (Buckwheat Family)- Information on this family and a photograph and description of Coast Buckwheat (Eriogonum latifolium), Sheep Sorrel (Rumex acetosella) and Curly Dock (Rumex crispus). ...
Pandorina sp. Pandorina sp.
Pandorina sp.- Microscopic image. ...
Polygonaceae Polygonaceae
Polygonaceae- Botanical characteristics of this family with illustrations of several species. ...
The Portulacaceae The Portulacaceae
The Portulacaceae- Information on this family of 20 genera and about 500 species, with photographs of about 10 example species. ...
Portulacaceae (Purslane Family) Portulacaceae (Purslane Family)
Portulacaceae (Purslane Family)- Information on this family and a photograph and description of Miner's Lettuce (Claytonia perfoliata). ...
Portulacaceae Portulacaceae
Portulacaceae- Botanical characteristics of this family of shrubs and plants, with illustrations of several species. ...
Portulacaceae Portulacaceae
Portulacaceae- Information on the purslane family with photographs of Portulaca pilosa and Lewisia columbiana. ...

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