North Carolina Botanical Garden

Plant Index

Scientific Name:
Common Name:
Genus:
Family:

Crataegus uniflora

Crataegus uniflora Münchh.

dwarf hawthorn, oneflower hawthorn

Synonym(s): Crataegus bisulcata, Crataegus choriophylla, Crataegus gregalis, Crataegus raleighensis

Image ID: 13805
Image by: Sorrie, Bruce A.
Image Collection: NCBG Digital Library

PLANT INDEX

ID_PLANT: CRUN
SCIENTIFIC NAME: Crataegus uniflora
Include in WOTAS: 0
Publish to Web: 1
Last Modified: 2020-01-01

GENUS INDEX

GENUS CODE: CRATA
GENUS SCIENTIFIC: Crataegus
GENUS AUTHORITY: L.
GENUS COMMON: Hawthorn
GENUS SUMMARY: [contributed by Ron Lance]
GENUS IDENTIFICATION: Identification notes: All references to leaves and petioles pertain to foliage on short shoots (floreal shoots), unless otherwise specified.
GENUS REFERENCES: Lance (2014)=X; Phipps in FNA (2014); Phipps (1988)=Z; Beadle in Small (1913)=Q; Phipps, O'Kennon, & Lance (2003)= V ; Phipps (1998)=Y; Phipps, Lance, & Dvorsky (2006)=U; Phipps, O’Kennon, & Dvorsky (2006)= N; Lance (1995); Kalkman in Kubitzki (2004).

FAMILY INDEX

FAMILY CODE: ROSACE
FAMILY SCIENTIFIC: Rosaceae
FAMILY AUTHORITY: A.L. de Jussieu 1789
FAMILY COMMON: Rose Family
FAMILY SUMMARY: A family of about 85-95 genera and 2000-3000 species, trees, shrubs, and herbs, nearly cosmopolitan, but mainly boreal and temperate.
FAMILY REFERENCE: Phipps in FNA (2014); Potter et al. (2007); Eriksson et al. (2003); Kalkman in Kubitzki (2004); Ertter (2007).

NCBG DESCRIPTIVES

INTRO:
STEMS:
LEAVES:
INFLORESCENCE:
FLOWERS:
FRUITS:
COMMENTS:
HEIGHT:

DURATION: Perennial
HABIT: Shrub, Tree

LEAF ARRANGEMENT: Alternate
LEAF COMPLEXITY: Simple
LEAF RETENTION: Deciduous

FLORAL CHARACTERISTICS
SYMMETRY:
BLOOM TIME: Apr-May

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
		x	x	x

BLOOM COLOR:

White	Red	Pink	Orange	Yellow	Green	Blue	Lavender	Purple	Violet	Brown	Not Applicable
x

FRUITING PERIOD: Sep-Oct.

DISTRIBUTION
HABITAT TYPE:
NATIVE RANGE: eastern United States

HORTICULTURAL
Plant Sale Text:

Bloom Table Text:

NCBG Location:

Cultural Notes:

SOIL MOISTURE:
LIGHT EXPOSURE:
MINIMUM HARDINESS ZONE:
MAXIMUM HARDINESS ZONE:
GERMINATION CODE:
WILDLIFE VALUE:
DEER RESISTANCE:

GRIM COLLECTIONS

Coll_id	Project	Collection date	Collector	Action
33	HORT	2005-03-21	Lance	View

GRIM ACCESSIONS

acc_id	acc_num	acc_dt	coll_id	Action
31	2009-0019	2009-11-05	33	View
3922	1992-0073			View
5394	1995-0516			View
6047	1995-1178			View
6852	1998-0058			View
9294	2020-0032	2021-01-11	0	View

GRIM PLANTINGS

plt_num	acc_id	loc_num	pers_num	inst_dt	Action
41	31	54	NCBG staff	2009-11-05	View
6241	3922	6	NCBG staff	0000-00-00	View
7888	5394	203	NCBG staff	1992-01-01	View
8697	6047	2	NCBG staff	0000-00-00	View
9714	6852	165	NCBG staff	1998-02-27	View
12265	31	16	Liloia	2013-05-03	View
12427	9294	165	Neal	2020-11-20	View

USDA PLANTS DATABASE

USDA Symbol: CRUN
USDA Common Name: Dwarf Hawthorn
Native Status: L48 (N)
Distribution: USA (AL, AR, DC, DE, FL, GA, KY, LA, MD, MO, MS, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WV)
Duration: Perennial
Growth Habit: Tree, Shrub

WEAKLEY FLORA

SCIENTIFIC NAME: Crataegus uniflora
COMMON NAME: Oneflower Hawthorn
SYNONYMY: [= C, F, FNA, G, K, Pa, RAB, S, W, X; > C. uniflora - Q; > C. gregalis Beadle - Q; > C. arenicola W.W. Ashe; > C. raleighensis W.W. Ashe - Q; > C. pentaneura W.W. Ashe - Q]
PHENOLOGY: Apr-May; Sep-Oct.
HABITAT: Upland forests, disturbed lands, roadsides, rock outcrops, often in xeric or sub-xeric conditions.
COMMENTS: PA and NJ south to c. peninsular FL, w. to e. TX, OK, and MO. Normally a shrubby species, 0.5-2 m in height, though local forms may reach 4 m, particularly in n. FL. Minor variation occurs in foliage, but fairly consistent are the slender thorns (2-7 cm long) and foliaceous calyx lobes persistent on the fruit.
RANGE MAP:

Key to Map Symbols

ABOUT FAMILY (Weakley Flora)
Rosaceae A.L. de Jussieu 1789 (Rose Family)
SUMMARY: A family of about 85-95 genera and 2000-3000 species, trees, shrubs, and herbs, nearly cosmopolitan, but mainly boreal and temperate.
REFERENCE: Phipps in FNA (2014); Potter et al. (2007); Eriksson et al. (2003); Kalkman in Kubitzki (2004); Ertter (2007).

ABOUT GENUS (Weakley Flora)
Crataegus L. (Hawthorn)
SUMMARY: [contributed by Ron Lance]
REFERENCE: Lance (2014)=X; Phipps in FNA (2014); Phipps (1988)=Z; Beadle in Small (1913)=Q; Phipps, O'Kennon, & Lance (2003)= V ; Phipps (1998)=Y; Phipps, Lance, & Dvorsky (2006)=U; Phipps, O’Kennon, & Dvorsky (2006)= N; Lance (1995); Kalkman in Kubitzki (2004).

HERBARIUM RESOURCES

SERNEC: Find Crataegus uniflora in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Crataegus uniflora in University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)

WEB RESOURCES

USDA: Find Crataegus uniflora in USDA Plants
NPIN: Find Crataegus uniflora in NPIN Database
FNA: Find Crataegus uniflora in the Flora of North America (if available)
Google: Search Google for Crataegus uniflora

IMAGE USE RECORDS

ID IMAGE: 13805 - Primary Image FloraQuest Plant Detail Page (Landscape Preferred)
ID IMAGE1: 13805 - Primary Image WOTAS
ID IMAGE2: 7567 - Secondary Image WOTAS
ID IMAGE3: 0 - Primary Image Plant Sale Sign (Landscape Only)
ID IMAGE4: 0 - Primary Image New Plant Sale Label (Portrait Only)