Maianthemum racemosum subsp. amplexicaule


False Solomon’s Seal - Maianthemum racemosum subsp. amplexicaule
Railroad Canyon, Black Range, New Mexico
May 13, 2014

This species is also known as Treacleberry, Solomon’s Plume, Feathery False Lily of the Valley, and False Spikenard).  It’s scientific name is Maianthemum racemosum and has the scientific synonyms of Convallaria racemosa, Smilacina racemosa, and Unifolium racemosum.  There are two subspecies, amplexicaule is the one found in the west.

It was first described by Johann Heinrich Friedrich Link in 1821.

The BONAP map to the right shows the range of this species within the lower 48 of the United States.  Light green indicates that the species is native to, and common, in the county indicated.  This subspecies is also found in most of western Canada, Alaska, and northern Mexico.

The specimen sheet shown below was collected in the Puget Sound area as part of the U.S. South Pacific Exploring Expedition under the command of Capt. Wilkes.  1838-1842.

Photograph immediately above and all below - Railroad Canyon, June 9, 2019.

© Robert Barnes 2018-2023