Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Apiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eryngium yuccifolium var. synchaetum
FAMILY
Apiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Rattlesnake-master at Vascular Plants of North Carolina.
The distinction between the two varieties, seemingly clear in NC and elsewhere in states bordering the Atlantic, seems to become less straightforward farther west..., per Weakley's Flora (2022)
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eryngium yuccifolium var. synchaetum
FAMILY
Apiaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-04-003b:
Eryngium yuccifolium var. synchaetum FAMILY Apiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eryngium synchaetum
COMMON NAME:
Southern Rattlesnake-master
To see larger pictures, click or hover over the thumbnails.
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Alan S. Weakley asw_1265773574026230
April FL
Apalachicola National Forest
Larger lvs < 1.5cm wide; marginal bristles in fascicles, lower fascicles usually w 2-3 bristles, per Weakley's Flora (2023).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eryngium yuccifolium var. synchaetum
FAMILY
Apiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eryngium yuccifolium var. synchaetum
FAMILY
Apiaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-04-003b:
Eryngium yuccifolium var. synchaetum
FAMILY
Apiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Eryngium synchaetum
2812
Forb
Perennial
Habitat: Wet savannas, especially those over calcareous clay soils, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in GA, rare in Carolinas
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.)
IS THE PLANT "ARMED"?
Leaf margins weakly spinose
LEAVES:
Simple
Alternate
FLOWER:
Summer
White/ Greenish
5-merous
Inferior ovary
Flowers in compact heads
FRUIT:
Summer
Schizocarp of two mericarps
TO LEARN MORE about this plant, look it up in a good book!
- Atlantic Coastal Plain Wildflowers (Nelson, 2006) p112?
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p266
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p059?
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".