Dwarf Larkspur Delphinium tricorne MichauxS3 (Watch list)  

Status:

Grows in rich woods, especially in calcareous soils. It once grew on islands in the Potomac River near Washington, DC, but is now thought to be extirpated from those locations. (J. Hill/MNPS)

Description:

There are five petal-like sepals, with the upper sepal forming an unusual, long, slightly curved nectar spur that extends upward and behind the rest of the flower. The four petals consist of two upper ones that are very small and whitish towards the base, and extend backward into the spur; and two lower ones, which are hairy and surround the whitish opening that leads to the spur. The flower is usually purple or blue-violet, but can be white, and in this photo we see some plants that have purplish flowers and others whose flowers are whitish. Most of the leaves are at the base of the plant, with a few along the lower part of the flowering stalk. The leaves are palmately five-parted, with each part divided into shallow secondary lobes. (J. Hill/MNPS)

Relationships:

The flowers are pollinated mainly by long-tongued bees (J. Hill/MNPS)

There are 28 records in the project database.

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Dwarf Larkspur blooming in Washington Co., Maryland (4/21/2013). Photo by Ed Boyd. (MBP list)

Dwarf Larkspur blooming in Washington Co., Maryland (4/21/2013). Photo by Jim Brighton. (MBP list)

Dwarf Larkspur in Montgomery Co., Maryland (5/9/2015). Photo by Fritz Flohr Reynolds. (MBP list)

Dwarf Larkspur, some plants having white, and others purple, flowers in Washington Co., Maryland (4/30/2016). Photo by Bill Hill. (MBP list)

Dwarf Larkspur blooming in Washington Co., Maryland (5/1/2005). Photo by Jim Stasz. (MBP list)

Dwarf Larkspur in Washington Co., Maryland (4/20/2014). Photo by Bill Hubick. (MBP list)

Dwarf Larkspur (leaves) in Washington Co., Maryland (4/8/2017). Photo by Bill Hubick. (MBP list)

Dwarf Larkspur, newly emerged leaves, in Washington Co., Maryland (2/25/2017). Photo by Bill Hill. (MBP list)

Dwarf Larkspur in Washington Co., Maryland (4/15/2018). Photo by Bill Hubick. (MBP list)


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