NameThatPlant.net: Ptilimnium costatum

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Apiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Ptilimnium costatum FAMILY Apiaceae Go to FSUS key

Dig deeper at SERNEC, a consortium of southeastern herbaria.

Read more about Big Bishopweed at Vascular Plants of North Carolina.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ptilimnium costatum FAMILY Apiaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Ptilimnium costatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-30-003:

Ptilimnium costatum FAMILY Apiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Ptilimnium costatum

COMMON NAME:
Big Bishopweed, Ribbed Bishopweed

To see larger pictures, click or hover over the thumbnails.

image of Ptilimnium costatum, Big Bishopweed, Ribbed Bishopweed

Richard and Teresa Ware rtw_ptilimnium_costatum_2

July

May resemble robust P. ahlesii or P. capillaceum, but can be larger & coarser, per Weakley's Flora.

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Ptilimnium costatum FAMILY Apiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ptilimnium costatum FAMILY Apiaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Ptilimnium costatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-30-003:
Ptilimnium costatum FAMILY Apiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Ptilimnium costatum

3757

Forb
Perennial

Habitat: Tidal freshwater marshes, wet prairies, bottomland hardwood forests, per Weakley's Flora

Native to the Carolinas & Georgia

Rare

map
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Complexly compound into filiform segments
Whorl-like clusters

FLOWER:
Summer/Fall
White
5-merous
Inferior ovary

Flowers in compound umbels

FRUIT:
Summer/Fall
Schizocarp of two mericarps

TO LEARN MORE about this plant, look it up in a good book!