Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Mock Orange
Philadelphus inodorus
Family: Hydrangeaceae

Protection Status:
State Status:  T
USFWS Status: {null}

Global Rank: G4G5
State Rank: S1S2

Limestone bluffs/rocky slopes, streambanks, and river bluffs; also rich forests and woodlands (Weakley 1998).

Species Description:

Flowering Period: Early May to mid July.

Additional Information at NatureServe

Diagnostic Characteristics:
Shrub with exfoliating bark and with opposite leaves that are oblong to ovate and generally glabrous (not consistently pubescent underneath). White flowers are often in groups of 3 (a cymule) or single and are large (3.5-5.5 cm wide). The inner sepals are hairy (typical of Philadelphus).

Changes in light conditions in the habitat for this species could be detrimental (although possibly beneficial in some cases) and should be considered in developing management plans. Soil disturbance in this habitat could cause erosion or weed invasion. Exotic pest plants are a threat to this species.

Global Range:

Known Kentucky Occurrences:

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Data last updated: Wednesday, May 28, 2014
Kentucky State Nature Preserves Commission
801 Teton Trail
Frankfort,KY 40601
Phone: (502) 573-2886
Fax: (502) 573-2355
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