1550 |
Ramonda serbica |
lilac to 8cm 83 |
G |
1551 |
Ranunculus amplexicaulis |
white flr/grey-green lvs to 30cm 44 |
G |
1552 |
Ranunculus calandrinioides |
white/tinged pink to 20cm 21 |
G |
1553 |
Ranunculus californicus |
yellow to 70cm 24 |
G |
1554 |
Ranunculus gramineus |
yellow 30-45cm 74 |
G |
1555 |
Ranunculus hispidus (ex Washington Co, Texas) |
yellow to 30cm 94 |
G |
1556 |
Ranunculus platanifolius |
white 30-100cm 44 |
G |
1557 |
Ratibida columnifera |
red shades to 1m 155 |
G |
1558 |
Rebutia minuscula |
red 4cm 21 |
G |
1559 |
Rhamnus crocea |
cream flr/red frt 1.2-2m 29 |
G |
1560 |
Rhaponticum coniferum |
pink-purple flr/white-felted lvs 15-30cm 74 |
G |
3273 |
Rheum spiciforme |
China: W Tibet 169 |
W |
1561 |
Rheum tanguticum |
red-pink flr/dark reddish purple new lvs 1.5-2m 165 |
G |
1562 |
Rhexia virginica |
rose-lavender 20-60cm 43 |
G |
3274 |
Rhodiola rhodantha |
Wyoming: Albany Co 3840m 142 |
W |
3275 |
Rhodiola rhodantha |
pink 30cm Colorado: Park Co 2505m 111 |
W |
3276 |
Rhodiola rosea |
pink 18cm Maine: Washington Co 146 |
W |
1563 |
Rhododendron kiusianum |
rose-purple 45-60cm 165 |
G |
3277 |
Rhododendron lapponicum |
pink 20cm New Hampshire: Coos Co 146 |
W |
3278 |
Rhododendron macrophyllum |
pink 1-5m Oregon: Josephine Co 25 |
W |
1564 |
Rhododendron pseudochrysanthum |
pink 90-250cm 28 |
G |
1565 |
Rhododendron quinquefolium |
white 80-180cm 28 |
G |
1566 |
Rhododendron yakushimanum x bureavii |
pale pink-white to 1m 28 |
G |
3279 |
Rhodolirium (Rhodophiala) andicola |
Chile: Llaima 169 |
W |
1567 |
Rhodotypos scandens |
white flr/jet-black frt to 2m 100 |
G |
1568 |
Ribes sanguineum v glutinosum |
white/rose pink 1-4m 151 |
G |
1569 |
Rohdea japonica |
pale yellow flr/red frt 30-50cm 28 |
G |
1570 |
Romanzoffia unalaschcensis |
white 20-30cm 31 |
G |
1571 |
Romulea bulbocodium v crocea |
yellow 10-15cm 122 |
G |
1572 |
Romulea rosea |
pink-magenta 6-15cm 48 |
G |
1573 |
Romulea subfistulosa |
rose-pink/yellow eye 10-25cm 11 |
G |
1576 |
Rosa 'Warm Welcome' |
semi-double orange to 180cm 166 |
G |
1574 |
Rosa glauca |
pink flr/glaucous-purple lvs 1.5-3m 54 142 |
G |
1575 |
Rosa luciae |
white to 6m 166 |
G |
1577 |
Roscoea scillifolia f atropurpurea |
dark purple-black 10-25cm 164 |
G |
1578 |
Roscoea sp |
purple 10cm 46 |
G |
1579 |
Roscoea tibetica |
purple/violet 5-15cm 53 |
G |
1580 |
Rosularia sempervivum |
white-pink 10-30cm 155 |
G |
3280 |
Rubus spectabilis |
magenta 1-4m Washington: Pierce Co 230m 89 |
W |
1581 |
Rudbeckia hirta |
yellow-orange to 100cm 103 109 |
G |
3281 |
Rudbeckia hirta v pulcherrima |
broader central cone Connecticut: Southeast 28 |
W |
1582 |
Rudbeckia maxima |
yellow to 2.5m 125 |
G |
1583 |
Ruellia humilis |
lavender-lilac 30-60cm 67 |
G |
1584 |
Ruta graveolens |
yellow flr/blue-green lvs 60-90cm 40 |
G |