Flora of North America species comparison

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Bartonia verna

spring bartonia, white bartonia, white screwstem
Habit Herbs erect, purplish or rarely yellowish, 2–23 cm.
Leaves

alternate or distal leaves subopposite, ± evenly spaced;

blade 0.6–3.5 mm.
Inflorescences

± open, racemoid cymes or solitary flowers.
Flowers

calyx lobed nearly to base, lobes lanceolate, 0.9–2.8 × 0.5–1.5 mm, apex obtuse to subacute;

corolla white, 4.8–11 × 1.5–4 mm, lobed nearly to base, lobes narrowly spatulate-obovate to elliptic, margins usually undulate-erose, apices rounded to subacute, not mucronate;

anthers sometimes coiling, yellow, 0.5–1.1 mm, apex rounded;

style short and stout;

stigmas decurrent along its length.
Capsules

dehiscent medially.
2n

 = 44.

Bartonia verna
Phenology Flowering winter (southernmost part of range)–spring (northward).
Habitat Bogs, shores, moist savannas and meadows.
Elevation 0–50 m. (0–200 ft.)
Distribution
from FNA
AL; FL; GA; LA; MS; NC; SC; TX
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 14.
Parent taxa Gentianaceae > Bartonia
Sibling taxa
B. paniculata, B. virginica
Synonyms Centaurella verna
Name authority (Michaux) Rafinesque ex Barton: Fl. Virgin. 51. (1812)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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