Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hypericum graveolens
FAMILY
Hypericaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Mountain St. Johnswort at Vascular Plants of North Carolina.
This and the related H. mitchellianum (another narrow endemic to the Southern Appalachians) hybridize, forming local hybrid populations with intermediate characteristics (Culwell 1970), per Weakley's Flora (2022).
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hypericum graveolens
FAMILY
Clusiaceae
SYNONYMOUS WITH Flora of North America
Hypericum graveolens
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-030:
Hypericum graveolens FAMILY Hypericaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hypericum graveolens
COMMON NAME:
Mountain St. Johnswort
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm070721_020
July Carter County TN
The Roan Highlands
A narrow Southern Appalachian endemic, per Weakley's Flora.
JK Marlow jkm070721_022
July Carter County TN
The Roan Highlands
Sepals &petals without black lines, round black glands only along petal margin, per Weakley's Flora.
JK Marlow jkm070721_023
July Carter County TN
The Roan Highlands
Inflorescence few-flowered cymes at the ends of branches, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
JK Marlow jkm190914_1531
September Swain County NC
Great Smoky Mountains National Park
Styles usually 5.6-10mm long (vs. H. mitchellianum usually 1.9-2.9mm long), per Weakley's Flora.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hypericum graveolens
FAMILY
Hypericaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hypericum graveolens
FAMILY
Clusiaceae
SYNONYMOUS WITH
Flora of North America
Hypericum graveolens
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 126-01-030:
Hypericum graveolens
FAMILY
Hypericaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Hypericum graveolens
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