402 



STANDARDIZED PLANT NAMES 



Root 



Alumroot Heuchera 



Arrowroot Maranta 



BiTTERROOT . . Lcwisia rediviva 

 Bloodroot Sanguinaria canadensis 

 BowMANSROOT . " Gillenia trifoliata 

 Breadroot . . Psoralea esculenta 

 Crinkleroot . Dentaria diphylla 

 Cucumber-root Medeola virginica 

 Dragonroot Arisaema dracontium 

 MuNDi-ROOT . Chlorocodon whitei 

 PiNKROOT . . Spigelia marilandica 

 PuTTYROOT . Aplectrum hyemale 

 Serpentroot .... Scorzonera 

 Snakeroot . Aristolochia species 

 Sugar-root . . Craniolaria annua 



Tuftroot Dieffenbachia 



Yellowroot Zanthorhiza apiifolia 



RooTSPiNE Palm 



Acanthorhiza aculeata 



Roraima Pitcherplant 



Heliamphora nutans 



RORIPA {RORIPPA) RADICULA 



ROSA Rose 



For horticultural varieties see American 

 Rose Society's special list, on page 406. 



acicularis .... Prickly Rose 

 — bourgeauiana (sayi) Bourgeau R. 

 — engelmanni . . Engelmann R. 



alpina R. pendulina 



altaica . . R. spinosissima altaica 

 arkansana . . Arkansas Rose 



The name R. arkansana is often mis- 

 applied to R. heliophila. 



l)anksiae (banksiana) 



Banksian Rose 

 — normalis . . Wild Banksian R. 

 banksiopsis . False Banksian R. 



bella Solitary R. 



blanda Meadow R. 



— willmottiae 



bracteata . . . .' Macartney R. 



brunoni Browns R. 



calif omica . . California Wild R. 



camellia R. laevigata 



canina Dogbrier 



Carolina R. palustris 



A recent re-identification of the plate 

 that is the basis of R. Carolina of Lin- 

 naeus shows that the name R. Carolina 

 as first used applies to the Pasture Rose, 

 which has been known as R. humilis, 



ROSA Carolina, continued 



while the correct botanical name for the 

 Swamp Rose, long treated as R. Caro- 

 lina, is R. palustris. 



Carolina Cy-Ag-Ar . . R. humilis 

 cathayensis R. multiflora cathayensis 

 caudata 



centifolia .... Cabbage Rose 

 cherokeensis .... R. laevigata 

 chinensis .... Chinese Rose 

 cinnamomea .... Cinnamon R. 

 coriifolia . . . Leatherleaf R. 

 — froebeli {laxa) . . Froebel R. 

 corymbulosa . . White-eye R. 

 damascena .... Damask R. 



davidi David R. 



davurica Dahurian R. 



ecae Eca R. 



eglanteria Ar ... R. rubiginosa 

 engelmanni 



R. acicularis engelmanni 

 fendleri . . . . R. woodsi fendleri 



ferox R. rugosa 



ferruginea R. rubrifolia 



filipes . . . Threadstalk Rose 

 foetida (lutea) . Austrian Brier R. 

 foliolosa 



gallica French R. 



gentiliana National R. 



gratissima . . . Sweetleaf R. 

 gymnocarpa .... Bald-hip R. 



helenae Helen R. 



heliophila Cy . . . . R. suffulta 



hugonis Hugonis R. 



humilis {R. Carolina Cy-Ag-Ar) 



Pasture R. 



See note under R. Carolina. 



— grandiflora 

 — triloba 

 — villosa 



illinoiensis . . . . R. rubiginosa 

 jacki Cy R. maximowicziana jacki 

 laevigata {camellia; cherokeensis; 

 nivea; sinica; ternata) 



Cherokee Rose 

 laxa . . . . R. coriifolia froebeli 

 Iheritierana . . Boursault Rose 

 lucida {R. virginiana Cy-Ag) 



Virginia Rose 



lutea R- foetida 



macdougali . . Macdougal Rose 



BOLD-face=approved scientific names. J T Alic=synonyms or unapproved names. 



