Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Cornales
WEAKLEY'S FLORA (11/30/12):
Hydrangea radiata
FAMILY
Hydrangeaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Snowy Hydrangea at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hydrangea radiata
FAMILY
Hydrangeaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-05-001c:
Hydrangea arborescens ssp. radiata
FAMILY
Saxifragaceae
COMMON NAME:
Snowy Hydrangea, Silverleaf Hydrangea
To see larger pictures, click or hover over the thumbnails.
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JK Marlow jkm0401b_09
January Pickens County SC
Jocassee Gorges
)
JK Marlow jkm0304e_07
April Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
)
JK Marlow jkm0304e_08
April Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
)
JK Marlow s050424_k
April Pickens County SC
Table Rock State Park
Lower leaf densely floccose-velutinous, felt-like, appearing white or silver, per Weakley's Flora.
)
JK Marlow jkm0205cb_05a
May Greenville County SC
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JK Marlow jkm120623_265b
June Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm140627_458
June Transylvania County NC
Foothills Trail
)
JK Marlow jkm150621_395
June Jackson County NC
Foothills Trail
Sterile flowers are 1-3.5cm broad, consisting of a flat 3-4 lobed calyx, per Vascular Flora of the Carolinas.
)
JK Marlow jkm190604_9025
June Greenville County SC
Generally fairly many (2-15) sterile flowers per inflorescence, per Weakley's Flora.
)
Richard and Teresa Ware rtw_hydrangea_radiata_8
July
Perfect flowers numerous, short-pedicellate, per Vascular Flora of the Carolinas.
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Ron Lance rwl708_a
September
This is SC's most common hydrangea in the mountains and piedmont, per Guide to the Wildflowers of SC.
)
JK Marlow jkm211106_4744
November Pickens County SC
Palmetto Trail
Leaves white below, per Woody Plants of the Blue Ridge.
COMPARE
leaves of Hydrangea species
WEAKLEY'S FLORA (11/30/12):
Hydrangea radiata
FAMILY
Hydrangeaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hydrangea radiata
FAMILY
Hydrangeaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-05-001c:
Hydrangea arborescens ssp. radiata
FAMILY
Saxifragaceae
708
Shrub
Perennial
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Common (rare in NC Piedmont), endemic to the Southern Appalachians
Look for it in rocky forests & rock outcrops, often common & conspicuous on roadbanks, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Moist
LEAVES:
Deciduous
Simple
Opposite
FLOWER:
Spring/Summer
White
Bisexual or sterile
Radially symmetrical
5-lobed calyx (in bisexual flowers)/3-4 lobed calyx (in sterile flowers)
5 petals (in bisexual flowers)/petals absent (in sterile flowers)
8-10 exserted stamens
Inferior ovary
FRUIT:
Spring/Summer
Brown
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Gardening with Native Plants of the South p096?
- Great Smoky Mountains Wildflowers p072?
- Guide to the Wildflowers of SC p146
- Native Shrubs and Woody Vines of the Southeast p063?
- Newcomb's Wildflower Guide p302?
- Wild Flowers of NC, 1st edition p084?
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p140
- Woody Plants of the Blue Ridge p16
- Woody Plants of the Southeastern US: A Winter Guide p162