| Family | ERICACEAE |
| Genus species | Rhododendron tomentosum Harmaja |
| Synonyms | Ledum palustre L. |
| Ledum tomentosum Stokes | |
| Rhododendron palustre (L.) Kron & Judd | |
| Habitat | bogs, marshes |
| Altitude | 0-1800m |
| Description | leaves persistent, petiolate, linear, 2-5cm, coriaceous, entire, glabrous, acute, abaxially scaly, margins revolute, inflorescence 10-35-flowered, corolla rotate, 2-8mm across |
| Size | 20-50cm |
| Color | white, creamy |
| Bloom | spring, summer |
| Ca | |
| Type | shrub |
| Cultivation | very moist to boggy, semi-shady site alpine house, moist, humous, sandy soil, semi-shade |
| Propagation | seed in spring, uncovered, germ. 3-6 months, 13-18°C cuttings in late summer and fall; layering in spring |
| Territory |
Circumpolar
Europe Northern Europe (Finland , Norway , Sweden ) Middle Europe (Austria , Czechoslovakia , Germany , Poland ) Eastern Europe (Belarus , Baltic States , Central European Russia , East European Russia , North European Russia , Northwest European Russia , Ukraine ) Asia-Temperate Siberia (Altay , Buryatiya , Chita , Irkutsk , Krasnoyarsk , Tuva , West Siberia , Yakutskiya ) Russian Far East (Amur , Kamchatka , Khabarovsk , Kuril Is. , Magadan , Primorye , Sakhalin ) Middle Asia (Kazakhstan ) China (Inner Mongolia , Manchuria ) Mongolia Eastern Asia (Korea ) Northern America Subarctic America (Aleutian Is. , Alaska , Greenland , Nunavut , Northwest Territories , Yukon ) Western Canada (Alberta , British Columbia , Manitoba , Saskatchewan ) Eastern Canada (Labrador , Newfoundland , Ontario , Québec) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | ERICACEAE
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