Taxon: Hexasepalum sarmentosum (Sw.) Delprete & J. H. Kirkbr.

Summary

Genus:

Hexasepalum

Family:

Rubiaceae

Subfamily:

Rubioideae

Tribe:

Spermacoceae

Nomen number:

486542

Place of publication:

J. Bot. Res. Inst. Texas 9:104. 2015

Verified:

11/06/2019 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Diodia sarmentosa Sw.

Homotypic Synonym(s)
Diodella sarmentosa (Sw.) Bacigalupo & E. L. Cabral

Heterotypic Synonym(s)
Diodia pilosa Schumach. & Thonn.
Spermacoce pilosa (Schumach. & Thonn.) DC.

No images

Conservation Status

Reference(s)

Cabaña Fader, A. A. et al. 2019. Hexasepalum nordestinum (Rubiaceae): a new species from two disjoint and fragmented areas in Northeast Brazil, with a key to the American species of the genus. Syst. Bot. 44:208. www.aspt.net/systematic-botany
Kirkbride, J. H., Jr. & P. G. Delprete. 2015. New combinations in Hexasepalum (Rubiaceae: Spermacoceae). J. Bot. Res. Inst. Texas 9:103-106.

Common names

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Africa	East Tropical Africa	Kenya			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
1	Native	Africa	East Tropical Africa	Tanzania			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
1	Native	Africa	East Tropical Africa	Uganda			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
1	Native	Africa	South Tropical Africa	Mozambique			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	South Tropical Africa	Zambia			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	South Tropical Africa	Zimbabwe			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	West Tropical Africa	Ghana			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	West Tropical Africa	Nigeria			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	West-Central Tropical Africa	Cameroon			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	West-Central Tropical Africa	Central African Republic			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	West-Central Tropical Africa	Democratic Republic of the Congo			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	Western Indian Ocean	Madagascar			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas		Borhidi, A. 2006. Rubiáceas de México
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		Borhidi, A. 2006. Rubiáceas de México
1	Native	Northern America	Southern Mexico	Mexico	Nayarit		Borhidi, A. 2006. Rubiáceas de México
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		Borhidi, A. 2006. Rubiáceas de México
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		Borhidi, A. 2006. Rubiáceas de México
1	Native	Southern America	Brazil	Brazil			Kirkbride, J. H., Jr. & P. G. Delprete. 2015. New combinations in Hexasepalum (Rubiaceae: Spermacoceae). J. Bot. Res. Inst. Texas 9:103-106.
1	Native	Southern America	Caribbean	Dominican Republic			Liogier, H. A. 1984-. Descriptive flora of Puerto Rico and adjacent islands.
1	Native	Southern America	Caribbean	Guadeloupe			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Jamaica			Adams, C. 1972. Flowering plants of Jamaica
1	Native	Southern America	Caribbean	Martinique			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Montserrat			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	United States	Puerto Rico		Liogier, H. A. 1984-. Descriptive flora of Puerto Rico and adjacent islands.
1	Native	Southern America	Central America	Belize			Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85
1	Native	Southern America	Central America	Costa Rica			Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
1	Native	Southern America	Central America	Guatemala			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Central America	Honduras			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Central America	Nicaragua			Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3).
1	Native	Southern America	Central America	Panama			Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
1	Native	Southern America	Northern South America	French Guiana			Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
1	Native	Southern America	Northern South America	Guyana			Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
1	Native	Southern America	Northern South America	Suriname			Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
1	Native	Southern America	Northern South America	Venezuela			Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
1	Native	Southern America	Western South America	Colombia			Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
1	Native	Southern America	Western South America	Ecuador			Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
4	Naturalized					widely natzd. elsewhere

Native
Africa

EAST TROPICAL AFRICA: Kenya, Tanzania, Uganda
WEST-CENTRAL TROPICAL AFRICA: Central African Republic, Cameroon, Democratic Republic of the Congo
WEST TROPICAL AFRICA: Ghana, Nigeria
SOUTH TROPICAL AFRICA: Mozambique, Zambia, Zimbabwe
WESTERN INDIAN OCEAN: Madagascar

Northern America

SOUTHERN MEXICO: Mexico [Chiapas, Jalisco, Nayarit, Oaxaca, Veracruz de Ignacio de la Llave]

Southern America

CARIBBEAN: Dominican Republic, Guadeloupe, Jamaica, Montserrat, Martinique, United States [Puerto Rico]
CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama
NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Colombia, Ecuador

Naturalized (widely natzd. elsewhere)

Reference(s)

Adams, C. 1972. Flowering plants of Jamaica
Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85
Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
Borhidi, A. 2006. Rubiáceas de México
Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Kirkbride, J. H., Jr. & P. G. Delprete. 2015. New combinations in Hexasepalum (Rubiaceae: Spermacoceae). J. Bot. Res. Inst. Texas 9:103-106.
Liogier, H. A. 1984-. Descriptive flora of Puerto Rico and adjacent islands.
Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala.
Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3).
Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.

Economic Uses

Usage	Type	Note	Reference
Weed		as Diodia sarmentosa	Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. Note: as Diodia sarmentosa

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=486542. Accessed 6 November 2026.