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.
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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
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
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!
- Field Guide to the Rare Plants of Georgia (Chafin, 2007) p291
- Wildflowers of Tennessee (Carman, 2005) p180
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p216
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".