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Hypericum crux-andreae (L.) Crantz
Clusiaceae (St. John's-Wort Family)
Synonym(s): Ascyrum crux-andreae, Ascyrum cuneifolium, Ascyrum stans, Hypericum stans
USDA Symbol: HYCR3
USDA Native Status: L48 (N)
An erect shrub with lemon yellow flowers at branch tips.
This shrubby member of the St.-Johns-wort family has only four petals instead of the usual five, and the sepals are of very unequal sizes. The similar St. Andrews Cross (H. hypericoides), with two styles, inner sepals minute or absent, and narrower leaves, is found on sandy sites from Massachusetts south to Florida, west to Texas, and north to Kansas; in the north it may form a mat on the ground. Low St. Andrews Cross (H. suffruticosum) is only 2 1/2-6 inches (6.5-15 cm) tall, with usually only two sepals, the flowers eventually nodding; it is found in sandy sites in the coastal plain from South Carolina south to Florida and west to Louisiana.
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep
, VA Native Distribution:
New York south to Florida, west to Texas, and north to Oklahoma, Arkansas, and Kentucky. Native Habitat:
Sandy sites and pine barrens.
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
CaCO3 Tolerance: Low
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
- Picayune, MS
Record Last Modified: 2014-02-05
Research By: TWC Staff