Philadelphus microphyllus

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Scientific Name Philadelphus microphyllus USDA PLANTS Symbol PHMI4
Common Name Littleleaf Mock Orange ITIS Taxonomic Serial No. 24437
Family Hydrangeacea (Hydrangea) SEINet
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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

Colorado Status:
© Tom Lebsack 2021