Pictured is a flowering branch and detached flower head of oreopanax andreanum. The flowers are globe…
The flowers of oreopanax peltatum are greenish white. The leaves are long stalked and five to seven…
The common name of ornithogalum is Star of Bethlehem. The nutans variety has flowers that are white…
Star of Bethlehem is the common name of ornithogalum. The pyramidale variety has pure white flowers…
Star of Bethlehem is the common name of ornithogalum. The thyrsoides variety has yellow flowers that…
The common name of ornithogalum umbellatum is Star of Bethlehem. The flowers are satiny white on the…
Osmanthus fragrans flowers are yellowish or almost white. The flowers bloom June to August. Pictured…
Osyris alba flowers are white and bloom in July. The fruit is red and pea sized. The leaves alternate…
Othonnopsis cheirifolia flowers are rich yellow and are about one and a half inches across. The leaves…
Paeonia albiflora flowers usually have white or pink petals. The flowers are one and a half to two inches…
The common name of paeonia is peony. The wittmanniana variety yellowish white flowers. The flowers bloom…
Paeonia albiflora flore-pleno blanc is a pure white, double herbaceous variety of peony. Pictured is…
Livistona australis is a variety of palm tree. The leaves spread out like the ribs of a fan through…
Pancratium illyricum flowers are small and fragrant. The leaves are broad and strongly veined. The plant…
The common name of pandanus is screw pine. The candelabrum variegatus variety has narrow leaves that…
Screw pine is the common name of pandanus. The furcatus variety has broadish, bright green leaves. The…
Screw pine is the common name of pandanus. The houlletii variety has leaves that are four to five feet…
Pandanus utilis is a variety of screw pine. The leaves are one to two and three quarters feet long.…
Pandurate leaves are fiddle shaped. The leaves arer obovate in form, with one or two deep recesses or…
Parsnip roots are eaten as a vegetable. Pictured is a parsnip with a portion of its leaves removed.
The common name of passiflora is passion flower. The caerulea variety has flowers that are purple at…
The common names of passiflora edulis are passion flower and passion fruit. Edulis is edible. The fruit…
The common names of passiflora are passion flower and passion fruit. The racemosa variety has deep red…
The common names of pavia are buckeye and smooth-fruited horse chestnut. The californica variety has…
Rosetelia cancellata fungi causes the leaves to become covered with large, raised spots that are deep…
The larva of psylla pyrisuga live on pear trees and sometimes apple trees. The larvae suck the juice…
Pictured are pear leaves attacked by phytoptus pyris, also known as gall mites. A represents a leaf…
Pedate leaves resemble a bird's foot. The leaves are palmately divided or parted with the lateral divisons…
Pelargonium inquinans flowers vary from intense scarlet, to rose colored, to white. The flowers bloom…
The common name of pelargonium peltatum is ivy-leaved pelargonium. The flowers vary from white to red…
The two upper petals of pelargonium tricolor flowers are very dark red and the three lower petals are…
The common name of pelargonium zonale is horseshoe geranium. The flowers vary from all shades of red…
Pellaea rotundifolia has round leaves. The fronds are six to twelve inches long. There are ten to twenty…
Peltate leaves are target shaped or shield like. Pictured is a peltate leaf of Indian cress.
The flower clusters of pennisetum longistylum grow in spikes from four to six inches long. The leaves…
The common name of peperomia is pepper elder. The marmorata variety has erect flowers in a tail-like…
Peperomia saundersii leaves are thick and fleshy, about five inches long. The plant grows between eight…
Pereski grandiflora is a synonym of pereski grandifolia. The common name of pereski is barbados gooseberry.…
The leaves of pereskia poeppigii are cylindrical and green. The stem is low and upright. The spines…
The common name of peristeria is dove flower. The cerina variety has yellow flower produced in bunches…
The common names of peristeria elata are Dove or Holy Ghost flower. The flowers are white with small…
Peronospora nivea is a type of fungus that is common upon the leaves, stems, and roots of wild umbelliferoe…
The common name of persica is peach. The davidiana variety and small fruit that are yellow when mature.…
Petunia nyctaginiflora flowers grow on alone on small stems. The flowers are large and white. The flowers…
Phaius grandifolius flowers are brown within and white on the outside. The flowers are three to four…
The common name of phalaenopsis is moth orchid. The amabilis variety has white flowers with yellow streaks.…
The common name of philadelphus coronarius is common mock orange or syringa. The flowers are white with…
Philadelphus gordonianus is a variety of mock orange. The flowers are white and scentless. The plant…
Philodendron mamei is a fine leaved, stemless herb. The leaves are large, heart shaped, and marked with…
The flowers of philodendron selloum are deep green, bordered with white and white on the inside. The…
The flowers of philodendron speciosum are purplish green on the outside and purplish red on the inside.…
The leaves of philodendron verucosum are heart shaped and a delicate, satiny green. The leaves are shaded…
The flowers of phlox drummondii are red, varying to rose, purple or white, with a darker eye. The flowers…
Phlox paniculata flowers are pink-purple, varying to white. The flowers bloom in August. The plant is…
Phlox subulata nivalis is a white variety of moss pink.
Phlox subulata frondosa is a very vigorous variety with lilac-rose flowers.
The common names of photinia japonica are Japan Medlar, Japan Quince, and Loquat. The flowers are white…
The flowers of phyllocactus anguliger are three to five inches in diameter. The petals are white and…
The common name of phyllocladus is celery-leaved pine tree. The leaves of the glauca variety are fan-wedged…