Kentucky Plant Atlas




  
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Orchidaceae <Cranichideae> Spiranthes vernalis
Spiranthes vernalis Engelm. & Gray
ALI: no HAB: f-10,9,12, n/a, C, 5 ABU: g9, s9, -4
This is widespread from southeastern states to Central America. In Ky. it is one of the commonest Spiranthes, often occurring in old fields on soils with moderate fertility across a range of moisture conditions. It usually flowers in Jun-Jul, well before the lacera and cernua-ovalis groups. It is the only Spiranthes in Ky. with hairs all lacking distinctly glandular tips. Inflorescences vary from tightly spiralled to almost secund; flowers are relatively large (6-10 mm long).