Rock Garden Plants
Swertia perennis L.  
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FamilyGENTIANACEAE
Genus speciesSwertia perennis L. 
SynonymsSwertia alpestris Baumg. ex Fuss
 Swertia congesta A.Nelson
 Swertia covillei Greene
Habitatgrassland
Descriptionleaves oval to elliptic, yellow-green, upper leaves amplexicaule, flowers stellate, 2-3cm across, in lax raceme, petals acute
Size15-30cm
Colorblue, reddish violet
Bloomsummer
Ca-
Typetuft
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in winter, barely covered, germ. 1-3 months, 10-13°C
division in spring; cuttings in late summer
Territory Circumpolar
Europe
     Middle Europe (Austria , Czechoslovakia , Germany , Poland , Switzerland )
     Southwestern Europe (France , Spain )
     Southeastern Europe (Bulgaria , Italy , Romania , Yugoslavia )
     Eastern Europe (Belarus , Baltic States , East European Russia , North European Russia , South European Russia , Northwest European Russia )
Asia-Temperate
     Caucasus (North Caucasus )
     China (Manchuria )
     Eastern Asia (Japan )
Northern America
     Subarctic America (Aleutian Is. , Alaska )
     Western Canada (British Columbia )
     Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming )
     Southwestern U.S.A. (Arizona , California , Nevada , Utah )
     South-Central U.S.A. (New Mexico)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

GENTIANACEAE

Swertia perennis L., Sp. Pl. 1: 226 (1753)

Synonyms:
Blepharaden perennis (L.) Dulac

Gentiana palustris All.
Gentiana paniculata Lam.
Swertia alpestris Baumg. ex Fuss
Swertia congesta A.Nelson
Swertia covillei Greene
Swertia fritillaria Rydb.
Swertia intermedia Schur
Swertia manshurica (Kom.) Kitag
Swertia occidentalis Greene
Swertia parallela Greene.
Swertia perennis alpestris (Baumg. ex Fuss) Domin & Podp.
Swertia perennis covillei (Greene) E.Murray
Swertia scopulina Greene

Circumpolar
11 AUT CZE GER POL SWI 12 FRA SPA 13 BUL ITA ROM YUG 14 BLR BLT RUE RUN RUS RUW 33 NCS 36 CHM 38 JAP 70 ALU ASK 71 BRC 73 COL IDA MNT ORE WAS WYO 76 ARI CAL NEV UTA 77 NWM


















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