Carolina Nature

Trees, Shrubs, and Woody Vines of North Carolina

Scentless Mock-Orange (Philadelphus inodorus)

Plantae>Magnoliophyta>Magnoliopsida>Rosales>Hydrangeaceae>Philadelphus inodorus L.

Somewhat scarce in North Carolina, where it is found natively in rich woodlands and calcareous rock outcrops, but more frequently a remnant of cultivation, Scentless Mock-Orange is a medium-sized shrub with ornamental white flowers.

Hot Springs, Madison Co. NC 5/11/08.

Scentless Mock-Orange (Philadelphus inodorus) leaves

The leaves are opposite and toothed. The similar but even rarer Hairy Mock-Orange (Philadelphus hirsutus) is smaller, with smaller flowers, and has hairy leaves and new twigs.

Grayson Co., VA 6/10/07.

Scentless Mock-Orange (Philadelphus inodorus) leaf

Grayson Co., VA 6/10/07.

Scentless Mock-Orange (Philadelphus inodorus) flowers

Scentless Mock-Orange flowers from May to June. There are normally between 1 and 3 flowers in a cymule.

Grayson Co., VA 6/10/07.

Scentless Mock-Orange (Philadelphus inodorus) flower

Flowers have between 60 and 90 stamens. The flowers are nearly odorless, in contrast the the fragrant European Sweet Mock-Orange (Philadelphus coronarius), which has only 20-50 stamens per flower.

Grayson Co., VA 6/10/07.

Scentless Mock-Orange (Philadelphus inodorus) bark

The bark is somewhat shreddy.

Grayson Co., VA 6/10/07.

Scentless Mock-Orange (Philadelphus inodorus) bark

Grayson Co., VA 6/10/07.

More information:
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USDA PLANTS
Virginia Tech Dendrology

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