University of Alberta Museums Search

Scientific Name Habenaria obtusata (Banks ex Pursh) Richardson Common Name blunt-leaved orchid (Moss, 1983); blunt-leaved bog-orchid, one-leaved vein-orchid (Johnson et al., 1995). General Description A perennial herb that grows from a fleshy root; the stem is usually 10-20 cm tall, leafless and bears greenish-white flowers (Johnson et al., 1995). Leaves Solitary leaf; rarely 2; basal; egg-shaped; 4-12 cm long; round or blunt at apex; taper at base (Moss, 1983). Flowers

Inflorescence 2-8 cm long; few flowers; greenish-white; upper sepal broad and round; lateral sepals and petals lance to egg-shaped; lip linear to lance-shaped, 5-8 mm long and deflexed; slender spur 5-8 mm long (Moss,…

Inflorescence 2-8 cm long; few flowers; greenish-white; upper sepal broad and round; lateral sepals and petals lance to egg-shaped; lip linear to lance-shaped, 5-8 mm long and deflexed; slender spur 5-8 mm long (Moss, 1983). 3-12 flowers in cluster at tip (Johnson et al., 1995).

Read More + Fruits and Seeds Capsule; erect; many seeded; elliptic shape; 1 cm long (Johnson et al., 1995). Phenology June to September (Johnson et al., 1995). Notes

Also called Platanthera obtusata (Johnson et al., 1995). Mosquitos are important pollinators; a club-shaped pollen cluster cements itself to its head so when it passes through the mouth of another flower it brushes by…

Also called Platanthera obtusata (Johnson et al., 1995). Mosquitos are important pollinators; a club-shaped pollen cluster cements itself to its head so when it passes through the mouth of another flower it brushes by the stigma (Johnson et al., 1995).

Read More + Range/Distribution

Alberta: predominantly SW along mountain range and southern half of the province (Canadensys). CAN (BC, MB, NB, NL, NS, SK, NT, NU, ON, PE, QC, YT); USA (AK, WA, OR, ID, MT, WY, UT, CO, MN, WI, MI, NY, MA, VT, NH, ME) (USDA).

Alberta: predominantly SW along mountain range and southern half of the province (Canadensys). CAN (BC, MB, NB, NL, NS, SK, NT, NU, ON, PE, QC, YT); USA (AK, WA, OR, ID, MT, WY, UT, CO, MN, WI, MI, NY, MA, VT, NH, ME) (USDA).

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