Asch. & Graebn., T. orientalis var. aurea
(Carriere) Rehder), 545
Oriental Bittersweet; Celastrus paniculatus Willd.
(Synonym: C. dependens Wall.), 545
Orris Iris spp., 546
Oxeye Daisy (Dog Daisy, Margriet, Marguerite Daisy,
Moon Daisy, White Daisy, Whiteweed);
Leucanthemum vulgare Lam. (Synonym:
Chrysanthemum leucanthemum L.), 547
PPacific Yew (Western Yew); Taxus brevifolia Nutt.,
549
Pagoda Tree (Chinese Scholartree, Japanese Pagoda
Tree); Styphnolobium japonicum (L.) Schott
(Synonyms: Sophora japonica L., S. japonica
f. pendula Zabel), 549
Pakistani Ephedra; Ephedra gerardiana Wall. ex
Stapf, 550
Pansy (European Wild Pansy, Field Pansy, Heart’s
Ease, Johnny Jump-Up, Wild Pansy); Viola
tricolor L. (Synonym: V. tricolor var.
hortensis DC.), 550
Papaya (Pawpaw); Carica papaya L. (Synonyms: C.
peltata Hook. & Arn., C. posoposa L.,
Papaya carica Gaertn.), 551
Paper Mulberry (Tapa-Cloth Tree); Broussonetia
papyrifera (L.) Vent. (Synonyms: Morus
papyrifera L., Papyrius papyrifera (L.)
Kuntze), 553
Pareira, Curare; Chondrodendron tomentosum Ruiz
& Pav., 553
Parica; Virola calophylla (Spruce) Warb., 553
Parsley; Petroselinum crispum (Mill.) Nyman ex A.
W. Hill (Synonyms: Apium crispum Mill., A.
petroselinum L., Carum petroselinum (L.)
Benth. & Hook. f., Petroselinum hortense
auct., P. sativum Hoffm., P. vulgare Lag.),
554
Parsley Piert; Aphanes arvensis L. (Synonyms:
Alchemilla arvensis (L.) Scop., A.
occidentalis Nutt.), 556
Parsnip; Pastinaca sativa L., 556
Passionflower (Apricot Vine, Maypop, Maypop
Passionflower); Passiflora incarnata L., 557
Patchouli; Pogostemon cablin (Blanco) Benth.
(Synonym: Mentha cablin Blanco), 558
Pau d’Arco; Tabebuia spp., 559
Pawpaw; Asimina triloba (L.) Dunal (Synonym:
Annona triloba L.), 560
Peanut (Goober, Groundnut); Arachis hypogaea L.,
560
Pear; Pyrus communis L. (Synonyms: P. asiae-mediae
Popov, P. balansae Decne., P. bourgaeana
Decne., P. domestica Medik., P. elata
Rubtzov, P. medvedevii Rubtzov), 560
Pearly Everlasting; Anaphalis margaritacea (L.)
Benth. & Hook. f., 561
Peegee; Hydrangea paniculata Seibold (Synonyms:
H. paniculata var. intermedia Bois ex Nakai,
H. paniculata var. praecox Rehder), 561
Pellitory-of-the-Wall (Wall Pellitory); Parietaria
officinalis L., 561
Pepper Bark, Fever Tree; Warburgia salutaris (Bertol.
f.) Chiov. (Not in GRIN), 561
Peppermint; Mentha x piperita L., 562
Perilla (Beefsteak Mint, Beafsteak Plant); Perilla
frutescens (L.) Britton (Synonyms: Dentidia
nankinensis Lour., Ocimum frutescens L.,
Perilla arguta Benth., P. frutescens var.
japonica (Hassk.) H. Hara, P. nankinensis
(Lour.) Decne., P. ocimoides L.), 564
Petroleum Plant (African Milkbush, Fingertree,
Milkbush, Milkhedge, Penchtree, Rubber
Euphorbia); Euphorbia tirucalli L.
(Synonym: E. laro Drake), 565
Peyote; Lophophora williamsii (Lem. ex Salm-Dyck)
J. M. Coult. (Synonym: Echinocactus
williamsii Lem. ex Salm-Dyck), 566
Pheasant’s Eye (Oxeye, Spring Adonis); Adonis
vernalis L., 566
Phyllanthus (Niruri); Phyllanthus niruri L., 566
Picrorhiza; Picrorhiza kurrooa Royle ex Benth., 567
Pigeonpea (Congopea, Red Gram, Yellow Dhal);
Cajanus cajan (L.). Millsp. (Synonyms: C.
bicolor DC., C. flavus DC., C. indicus
Spreng., Cytisus cajan L.), 568
Pilewort (Lesser Celandine); Ranunculus ficaria L.
(Synonym: Ficaria ranunculoides Moench.),
569
Pimpinella (Burnet Saxifrage); Pimpinella saxifraga
L., 569
Pineapple; Ananas comosus (L.) Merr. (Synonyms: A.
ananas (L.) Voss, A. duckei hort., A. sativus
Schult. & Schult. f., A. sativus var. duckei
Camargo, Bromelia ananas L., B. comosa
L.), 570
Pinkroot (Indian Pink); Spigelia marilandica (L.) L.
(Synonym: Lonicera marilandica L.), 571
Pipsissewa; Chimaphila spp., 572
Piripiri (Chintul, Jointed Flat Sedge); Cyperus
articulatus L. (Synonym: C. corymbosus
Rottb.), 573
Pitcher Plant; Sarracenia purpurea L., 574
Plantain (Broadleaf Plantain, Common Plantain,
Greater Plantain); Plantago major L., 575
Pleurisy Root (Butterfly Weed, Chiegerflower);
Asclepias tuberosa L., 576
Plum, European Plum; Prunus domestica L., 577