Rock Garden Plants
Delphinium patens Benth.  
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FamilyRANUNCULACEAE
Genus speciesDelphinium patens Benth. 
Habitatgrassland and thickets
Altitude80-2800m
Descriptionleaves orbiculate, 10-55mm, subglabrous, lobes 3-9, inflorescence 4-25-flowered, pedicels glabrous, sepals glabrous, 10-15mm long, spur horizontal, 8-18mm long
Size20-50cm
Colordark blue
Bloomsummer
Ca
Typetuft
Cultivationmesic, slightly humous, semi-shady site
alpine house, moist, rich, drained soil, semi-shade
Propagationseed in winter, barely covered, germ. 1-3 months, 10-13°C
division in spring just as young growth commences
Territory Northern America
     Southwestern U.S.A. (California )
     Mexico (Mexico Northwest)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

RANUNCULACEAE

Delphinium patens Benth., Pl. Hartw. [Bentham] 296 (1849)

Synonyms:
Delphinium decorum patens (Benth.) A.Gray
Delphinium tricorne patens (Benth.) Brühl
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patens typicum ined.

California, nw. Mexico
76 CAL 79 MXN

80-1100m

patens hepaticoideum Ewan, Univ. Colorado Stud., Ser. D, Phys. Sci. 2: 102 (1945)

California
76 CAL

300-1300m

patens montanum (Munz) Ewan, Bull. Torrey Bot. Club 69: 147 (1942)

Basionym:
Delphinium parryi montanum Munz, Bull. S. Calif. Acad. Sci. 31: 61 (1932)

sw. California
76 CAL

1500-2800m

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(c) 1990-2021 RNDr. Pavel Slabý