1. Orchid with spikes of many fragrant white flowers on erect leafy stems; of wet or boggy ground through most of the West and northern North America
   - bog rein orchid, Habenaria dilatata

Type of: rein orchid, rein orchis

• obligor
• oblique
• oblique angle
• oblique bandage
• oblique case
• oblique triangle
• oblique vein of the left atrium
• oblique-angled
• obliquely
• obliqueness
• obliquity
• obliterable
• obliterate
• obliterated
• obliteration
• obliterative
• obliterator
• oblivion
• oblivious
• obliviously
• obliviousness
• oblong
• oblong leaf
• oblong woodsia
• oblongness