Jateorhiza calumba Miers., J. miersii Oliv.,
Menispermum palmatum Lam.), 211
Colorado Four O’Clock; Mirabilis multiflora (Torr.)
A. Gray (Synonyms: Oxybaphus multiflorus
Torr., Quamoclidion multiflorum (Torr.) A.
Gray), 212
Coltsfoot; Tussilago farfara L., 212
Columbine (European Columbine, European
Crowfoot, Granny’s Bonnet); Aquilegia
vulgaris L., 214
Comfrey; Symphytum spp., 214
Common Buckthorn (European Buckthorn);
Rhamnus cathartica L., 216
Common Daffodil (Daffodil, Lent-Lily, Trumpet
Narcissus); Narcissus pseudonarcissus L.,
217
Common Gromwell; Lithospermum officinale L., 217
Common Reed (Ditch Reed, Giant Reed, Reed
Grass); Phragmites australis (Cav.) Trin. ex
Steud. (Synonyms: Arundo phragmites L., A.
vulgaris Lam., P. communis Trin., P.
communis var. longivalvis (Steud.) Miq., P.
longivalvis Steud., P. vulgaris (Lam.) Crép.,
P. vulgaris var. longivalvis (Steud.) W.
Wight), 218
Condor Plant, Eagle Vine (Common Condorvine);
Marsdenia cundurango Rchb. f. (Synonym:
Marsdenia reichenbachii Triana), 218
Conessi, Kurchi (Tellicherry Bark); Holarrhena
pubescens Wall. ex G. Don (Synonyms:
Chonemorpha antidysenterica (Roxb. ex
Fleming) G. Don, Echites antidysenterica
Roth, Holarrhena antidysenterica (Roxb. ex
Fleming) Wall. ex A. DC., H. febrifuga
Klotzsch), 219
Congorosa; Maytenus ilicifolia, 220
Contrahierba; Dorstenia contrayerba L., 220
Copaiba; Copaifera langsdorfii Desf., 220
Coral Bean (Purple Coraltree, Swamp Immortelle);
Erythrina fusca Lour. (Synonym: E. glauca
Willd.), 221
Coral Root; Corallorhiza odontorrhiza, 221
Coriander (Chinese Parsley, Cilantro); Coriandrum
sativum L., 222
Corkwood Tree, Pituri; Duboisia myoporoides R.Br.,
223
Corn Cockle (Cockle, Corn Pink); Agrostemma
githago L., 223
Cornflower, Bachelor’s Button (Blue Bottle);
Centaurea cyanus L., 223
Corn Poppy (Field Poppy, Flanders Poppy, Shirley
Poppy); Papaver rhoeas L., 224
Corn Silk; Zea mays L., 224
Corydalis; Corydalis ambigua Cham. & Schltdl.
and/or yanhusuo (Y. H. Chou & Chun. C.
Hsu) W. T. Wang, 225
Costus, Kuth; Saussurea costus (Falc.) Lipsch
(Synonyms: Aplotaxis lappa Decne.,
Aucklandia costus Falc., Saussurea lappa
(Decne.) C. B. Clarke), 226
Cottontree (Silk Cottontree); Cochlospermum
religiosum (L.) Alston. (Synonyms: Bombax
gossypium L., C. gossypium (L.) DC.,
Maximilianea gossypium (L.) Kuntze), 227
Couchgrass, Quackgrass (Coutch, Dog Grass, Quick
Grass, Scutch, Twitch Grass); Elytrigia
repens (L.) Desv. ex Nevski (Synonyms:
Agropyron firmum J. Presl, A. repens (L.) P.
Beauv., A. repens var. bromiforme Schur, A.
repens var. glaucescens Peterm., Elymus
repens (L.) Gould, Triticum firmum (J. Presl)
Link, T. repens L.), 227
Cowitch, Cowhage, Velvetbean; Mucuna pruriens
(L.) DC., 228
Cow Parsnip (Hogweed, Meadow Parsnip);
Heracleum sphondylium L., 229
Cowslip; Primula veris L. (Synonym: P. officinalis
(L.) Hill), 229
Crampbark; Viburnum opulus L., 230
Cranberry; Vaccinium macrocarpum Aiton
(Synonym: Oxycoccus macrocarpos (Aiton)
Pers.), 231
Cranesbill (Spotted Geranium, Wild Geranium);
Geranium maculatum L., 232
Creat; Andrographis paniculata (Burm. f.) Wall. ex
Nees. (Synonym: Justicia paniculata Burm.
f.), 233
Cubeb (Cubeb Pepper, Java Pepper); Piper cubeba L.
f., 233
Cuckoopint, Arum (Adam and Eve, Lords and
Ladies); Arum maculatum L., 234
Cudweed (Low Cudweed, Marsh Cudweed, Mouse
Ear); Gnaphalium uliginosum L. (Synonym:
Filaginella uliginosa (L.) Opiz), 234
Culebra; Brugmansia aurea Lagerh. (Synonym:
Methysticodendron amesianum R. E.
Schultes), 235
Cumin; Cuminum cyminum L. (Synonym: C. odorum
Salisb.), 235
Cupmoss; Cladonia pyxidata (L.) E. Fries., 236
Cup-Plant; Silphium perfoliatum L., 236
Curryleaf; Murraya koenigii (L.) Spreng. (Synonyms:
Bergera koenigii L., Chalcas koenigii (L.)
Kurz), 237
Cyclamen; Cyclamen europaeum L. emend. Ait., 237
Cypress (Italian Cypress, mediterranean Cypress);
Cupressus sempervirens L. (Synonym: C.
sempervirens var. stricta Aiton), 238