(Mountain Ninebark)
Physocarpus monogynus, Mosca Pass Trail, Great Sand Dunes NP, Alamosa Co. 9059
Physocarpus monogynus, Mosca Pass Trail, Great Sand Dunes NP, Alamosa Co. 9042
Physocarpus monogynus, Mosca Pass Trail, Great Sand Dunes NP, Alamosa Co. 9040
Physocarpus monogynus, Mosca Pass Trail, Great Sand Dunes NP, Alamosa Co. 9064
Physocarpus monogynus, Mosca Pass Trail, Great Sand Dunes NP, Alamosa Co. 9049
Physocarpus monogynus, Mosca Pass Trail, Great Sand Dunes NP, Alamosa Co. 9076
| Scientific Name | Physocarpus monogynus | USDA PLANTS Symbol | PHMO4 |
| Common Name | Mountain Ninebark | ITIS Taxonomic Serial No. | 25281 |
| Family | Rosaceae (Rose) | SEINet Reference |
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| Description |
Life zones and habitat: Plains to subalpine (4800 to 10500 ft); rocky, calcareous (limey) soils along streams, dry hillsides, canyons and in conifer woodlands. Plant: Small unarmed shrubs up to 3 ft. tall; stems much-branched with exfoliating bark; newer twigs are smooth to somewhat hairy, greenish, becoming red and then dark gray. Leaves: Ovate to nearly round in outline, 5/8 to 2-1/4 inches long and about as wide, palmately-lobed with 3 to 5 lobes; margins are double-crenate; surfaces are dark green on top and lighter beneath; on petioles 1/4 to 7/8-inch long. Inflorescence: Roundish clusters of 10 to 25 small white flowers at stem tips; each flower less than 3/8-inch across with 5 broad, fuzzy petals; multiple protruding stamens; 1 to 3 hairy styles (carpels); sepals are triangular to ovate, 1/8-inch long and hairy; pedicels are 1/3 to almost 3/4-inch long. Bloom Period: May to July. References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America, Montana Field Guide and SEINet. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2025
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
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