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Plant Details

Bartonia verna

White Screwstem, Spring Bartonia, White Bartonia,

Scientific Name:

Bartonia verna

Common Name:

White Screwstem, Spring Bartonia, White Bartonia,

Plant Family

Gentianaceae (Gentian Family)

Native/Alien:

Native

Type:

Perennial

Bloom Color(s):

white

Size in Feet:

2 in to 8 in

Soil Moisture:

mesic to hygric(*)

Bloom Time:

February-April, rarely as early as November or as late as June

Bloom Area:

Coast

Habitat Description:

Wet pine savannas, shores of Coastal Plain depression ponds, other moist sands

State Rank:

S2 - 6-20 Extant Populations - Imperiled in NC because of rarity or because of some factor(s) making it very vulnerable to extirpation from NC (*)

State Status:

W - Watch List (*)

In bloom

Uncommon in our area (and hard to see!), White Screwstem has a tiny white flower, threadlike stem and opposite, scalelike leaves less than 1/4" long.

image

© Chuck Carmack, April 7, Moores Creek National Battlefield

Buds

Look closely to see the tiny, scalelike leaves. Click to enlarge.

image

Paynter, April 7, 2013, Moores Creek National Battlefield

Petal number

Normally, all Bartonias have 4 petals but the flower on the left has five.

image

Paynter, Moores Creek, 4.7.2013

Links:

USDA PLANTS Database Record


Bird-Friendly Native Plants



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