(Littleleaf Mock Orange)

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Philadelphus microphyllus, Curecanti Needle Overlook, Gunnison Co. 8215

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Philadelphus microphyllus, Curecanti Needle Overlook, Gunnison Co. 8202

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Philadelphus microphyllus, Curecanti Needle Overlook, Gunnison Co. 8223

Scientific Name Philadelphus microphyllus USDA PLANTS Symbol PHMI4
Common Name Littleleaf Mock Orange ITIS Taxonomic Serial No. 24437
Family Hydrangeaceae (Hydrangea) SEINet
Reference
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Description Life zones and habitat: Plains to montane (5000 to 9500 ft.); rocky slopes, cliffsides and canyons among oaks and conifers.
Plant: Shrub 3 to 6 ft tall; gray and shredding bark, young twigs twigs are light brown or red-brown, slightly hairy.
Leaves: Opposite, blades ovate-elliptic to elliptic, 3/8 to 1-5/8 inches long 3/16 to 5/8-inch wide; on short petioles; margins are entire to revolute; upper surface smooth to slightly hairy, lower covered with silky hairs.
Inflorescence: Solitary white, showy, fragrant blossoms at branch tips; 4 obovate-to oblong petals 2/10 to 6/10-inch long with irregular margins; 26 to 64 stamens with yellow-ish anthers; 4 styles; 4 yellow-green smooth to slightly hairy sepals.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest, Flora of North America and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2024

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County