Home/Species/ Largeleaf Waterleaf

Hydrophyllum macrophyllum

Nutt.

Largeleaf Waterleaf

G5Secure Found in 2 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.145844

Element CodePDHYD08050

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderSolanales

FamilyHydrophyllaceae

GenusHydrophyllum

Other Common Names

largeleaf waterleaf (EN)

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Review Date2002-08-28

Change Date1986-04-08

Range Extent Comments

IL, OH, PA, VA, WV, NC, AL, AR, GA, IN, KY, MS, TN

Threat Impact Comments

Somewhat threatened by land-use conversion and habitat fragmentation (Southern Appalachian Species Viability Project 2002).

Ecology & Habitat

Diagnostic Characteristics

Leaves deeply lobed or toothed. Flowers several, in cymes. Axis of cymes repeatedly forked. Pubescence of cyme axis hirsute, widely spreading hairs 1-2 mm long. Ovary one celled.

Habitat

This species is found in rich, moist, mixed hardwood forests.

Reproduction

Flowers open at dawn and all pollen is removed by insects within 6-8 hours. Nectar is provided for 72-84 hours (the duration of flowering). Some species of Hydrophyllum have seeds which are ant dispersed. n=9

Terrestrial Habitats

Forest/WoodlandForest - HardwoodForest - Mixed

Other Nations (1)

United StatesNNR

Province	Rank	Native
Maryland	S2	Yes
Tennessee	S4	Yes
Virginia	S3	Yes
Indiana	SNR	Yes
Pennsylvania	S4	Yes
Kentucky	S5	Yes
South Carolina	S1	Yes
Ohio	SNR	Yes
North Carolina	S3	Yes
Mississippi	S1	Yes
Illinois	SNR	Yes
Georgia	S1	Yes
Alabama	SNR	Yes
West Virginia	S4	Yes

Plant Characteristics

DurationPERENNIAL, DECIDUOUS

Economic Value (Genus)No

Roadless Areas (2)

North Carolina (1)

Area	Forest	Acres
Craggy Mountain	Pisgah National Forest	2,657

Tennessee (1)

Area	Forest	Acres
Bald Mountain	Cherokee National Forest	11,743

References (7)

Beckmann, R.L., Jr. 1979. Biosystematics of the Genus <i>Hydrophyllum </i>L. (Hydrophyllaceae). American Journal of Botany 66:1053-1061.
Berg, R.Y. 1969. Adaptation and evolution in Dicentra (Fumariaceae), with special reference to seed, fruit, and dispersal mechanism. Nytt Magazine Botanical. 16:49.
Fernald, M.L. 1950 Gray's Manual of Botany, 8th ed. American Book Company, New York. 1632 pp.
Gleason, H.A. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. 3 volumes. Hafner Press, New York. 1732 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Southern Appalachian Species Viability Project. 2002. A partnership between the U.S. Forest Service-Region 8, Natural Heritage Programs in the Southeast, NatureServe, and independent scientists to develop and review data on 1300+ regionally and locally rare species in the Southern Appalachian and Alabama region. Database (Access 97) provided to the U.S. Forest Service by NatureServe, Durham, North Carolina.
Walk, J.L. and Klotz, L.H. 1990. Pennsylvania Records of Large-leaved Waterleaf (<i>Hydrophyllum macrophyllum:</i> Hydrophyllaceae). Bartonia 56:29-22.