Lomatium orientale (Northern Idaho Biscuitroot)

Plant Info
Also known as: Oriental Desert Parsley, Salt-and-Pepper
Genus:Lomatium
Family:Apiaceae (Carrot)
Life cycle:perennial
Origin:native
Habitat:sun; open, dry prairie and rock outcrops
Bloom season:April - May
Plant height:4 to 8 inches
Wetland Indicator Status:none
MN county distribution (click map to enlarge):Minnesota county distribution map
National distribution (click map to enlarge):National distribution map

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Detailed Information

Flower: Flower shape: 5-petals Cluster type: flat

[photo of flowers] Flowers are in a flat to dome-shaped cluster (umbel), 2/3 to 1+ inches (1.6 to 3 cm) diameter, at the tip of a long, finely hairy stalk arising from a leaf axil, each umbel made up of 4 to 16+ smaller clusters (umbellets), each umbellet tightly packed with up to 30 tiny flowers. Flowers have 5 white to pinkish petals that are tightly curled in to the center, and 5 longer stamens protruding from the center tipped with white to deep purplish-pink anthers. At the base of each cluster are usually 4 to 10 hairless, lance-linear bracts up to 1/6 inch (1.5 to 4 mm) long, though bracts may be absent altogether.

Leaves and stems: Leaf attachment: alternate Leaf attachment: basal Leaf type: compound

[photo of leaves] Leaves are mostly basal, forming an irregular rosette, sometimes with a single stem leaf sheathing the stem. Leaves are lance to egg-shaped in outline, 1 to 4+ inches (2.5 to 11 cm) long, 3/8 to 2¾ inches (1 to 7 cm) wide, 2 or 3 times compound, the leaflets divided into narrow segments creating a lacy, fern-like appearance. Color is blue-green to gray-green from fine, soft hairs. Stems are short, spreading to ascending to erect, covered in fine, soft hairs and often tinged purple.

Fruit: Fruit type: seed without plume

[photo of seeds] The umbels can expand to nearly twice their flowering width as fruit develops. Fruit is a dry seed, up to ~3/8 inch (5 to 10 mm) long, compressed oval-elliptic, with a few distinct ribs and a pale wing .6 to 1.6 mm wide all along the outer edge.

Notes:

Biscuitroot is widespread in the Great Plains and reaches the eastern edge of its range in Minnesota, with most populations concentrated in or near the Minnesota River Valley. The first collection in the state was in 1890 from a prairie near Appleton in Swift County. While not considered rare here, it is by no means common as it is found only in dry prairie and rock outcrop habitats, which have diminished greatly in both quantity and quality due to agriculture, fire suppression, invasive species and gravel mining. Even where it is known to exist, it is often missed due to its very early flowering period, after which it quickly sets seed and goes dormant for the season, well before most hikers and plant explorers are out and about in the field. I consider it a true harbinger of spring, even beating Pasqueflower to the punch. And as one of the earliest spring bloomers on the prairie, it is an important food source for pollinators emerging from their winter slumber.

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More photos

Photos by K. Chayka taken in Renville County. Photos by Peter M. Dziuk in Lac Qui Parle and Renville counties.

Comments

Have you seen this plant in Minnesota, or have any other comments about it?

Posted by: Brian - St. Peter
on: 2014-04-27 21:15:22

This plant is now in bloom at Morton Outcrops SNA.

Posted by: Brian - St. Peter
on: 2015-03-16 21:26:19

I was at Morton Outcrops SNA yesterday (March 15), and some of the plants were beginning to sprout. Two of them had inflorescences with partly opened flowers, still very low to the ground.

Posted by: Sara - Yellow Medicine county
on: 2021-04-07 16:55:09

Found this today on the southern-facing slopes of our pasture along-side field pussytoes. Looking forward to going back for pictures on a sunny day.

Posted by: Charles Argue - St. Paul
on: 2024-05-03 14:38:49

Blooming near Salt Lake 28 April 2024

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