Flora of North America species comparison

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Delphinium nuttallii subsp. nuttallii

(synonym of Delphinium oreganum)

Delphinium subsect. Grumosa
Delphinium oreganum

Willamette Valley larkspur
Stems

40-70 cm.

Flowers

sepals blue or bluish purple, spurs 10-13 mm;

lower petal blades 4.5-6.5 mm.

2n

= 16.

Delphinium nuttallii subsp. nuttallii

Delphinium subsect. Grumosa
Phenology Flowering late spring–early summer.
Habitat Rock outcrops, rocky meadows
Elevation 20-300 m (100-1000 ft)
Distribution
from FNA
OR; WA
Source FNA vol. 3.
Parent taxa Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Grumosa > Delphinium nuttallii
Sibling taxa
D. nuttallii subsp. nuttallii, D. nuttallii subsp. ochroleucum
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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