Rock Garden Plants
Delphinium andersonii A.Gray  
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FamilyRANUNCULACEAE
Genus speciesDelphinium andersonii A.Gray 
SynonymsDelphinium cognatum Greene
 Delphinium megacarpum A.Nelson & J.F.Macbr.
Habitatdry, sandy grassland
Altitude1300-2000m
Descriptionlower leaves long petiolate, carnose, palmately ternate, segments incised, ultimate lobes linear, obtuse, flowers 3-15, in raceme, sepals 11-15mm, upper petals whitish
Size30-60cm
Colorbright blue
Bloomsummer
Ca
Typetuft
Cultivationdry, sunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in winter, barely covered, germ. 1-3 months, 10-13°C
division in spring just as young growth commences
Territory Northern America
     Northwestern U.S.A. (Idaho , Montana , Oregon )
     Southwestern U.S.A. (California , Nevada , Utah)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

RANUNCULACEAE

Delphinium andersonii A.Gray, Bot. Gaz. 12: 53 (1887)

Synonyms:
Delphinastrum andersonii (A.Gray) Nieuwl.
Delphinium scaposum andersonii (A.Gray) S.L.Welsh
Delphinium tricorne andersonii (A.Gray) Huth

Delphinium andersonii cognatum (Greene) R.J.Davis
Delphnium bicolor cognatum (Greene) K.C.Davis
Delphinium cognatum Greene
Delphinium megacarpum A.Nelson & J.F.Macbr.

w. USA
73 IDA MNT ORE 76 CAL NEV UTA

1300-2000m

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