17 Records

Slender ladies'-tresses
S. lacera var. gracilis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Orchidoideae
Tribe:	Cranichideae
Genus:	Spiranthes
Species:	S. lacera
Binomial name
Spiranthes lacera (Raf.) Raf.

Spiranthes lacera, commonly called the slender ladies'-tresses, is a species of orchid that is native to Eastern North America. It has a widespread range and is found in a variety of open habitats, both natural and disturbed. It produces a spiral of white flowers in the summer.

There are two varieties recognized:^[1][2]

• S. lacera var. gracilis - Southern slender ladies' tresses, flowers more densely arranged in spiral, blooming later (late-July through August). Plant hairless and leaves usually absent at flowering.
• S. lacera var. lacera - Northern slender ladies' tresses, flowers more loosely arranged in spiral, blooming earlier (mid-July). Plant hairy and leaves usually present at flowering.