Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Sagittaria chapmanii
FAMILY
Alismataceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
The inflorescence of Sagittaria chapmanii is a panicle (i.e., is branched) of small 3-petaled white flowers, atop a slender stem rising to about 1 foot tall. The very similar and more widespread S. graminea has the inflorescence unbranched. Learn more at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Sagittaria graminea var. chapmanii
FAMILY
Alismataceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sagittaria chapmanii
SYNONYMOUS WITH Flora of North America
Sagittaria graminea ssp. chapmanii
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Sagittaria graminea var. chapmanii
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Sagittaria graminea var. chapmanii
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Sagittaria chapmanii
COMMON NAME:
Chapman's Arrowhead
To see larger pictures, click or hover over the thumbnails.
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Alan S. Weakley asw_941347950648474
April FL
Apalachicola National Forest
Inflorescence branched at the base (in at least some plants of a population), per Weakley's Flora (2022).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Sagittaria chapmanii
FAMILY
Alismataceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Sagittaria graminea var. chapmanii
FAMILY
Alismataceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sagittaria chapmanii
SYNONYMOUS WITH
Flora of North America
Sagittaria graminea ssp. chapmanii
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Sagittaria graminea var. chapmanii
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Sagittaria graminea var. chapmanii
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Sagittaria chapmanii
4759
Emergent aquatic that also has submerged leaves (rooted); Forb
Perennial
Monoecious or polygamo-monoecious
Habitat: Limesink (doline) ponds with drawdown hydrology, mucky ditches, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in GA Coastal Plain, 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.)
LEAVES:
Simple
Basal
Blades of emersed leaves linear to linear-oblanceolate; submersed leaves phyllodial
Petioles of emersed leaves 6.5-17cm long, triangular
RHIZOMES? STOLONS?
Rhizomes present (coarse); stolons absent; corms absent
FLOWER:
Spring/Summer/Fall
White
3-merous
3 sepals
3 petals
Numerous stamens in staminate flowers
Superior ovary
Unisexual
Inflorescence a panicle
FRUIT:
Achene
TO LEARN MORE about this plant, look it up in a good book!
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".