Monographs Details: Chamaesyce articulata (Aubl.) Britton
Authority: Britton, Nathaniel L. 1916. The vegetation of Anegada. Mem. New York Bot. Gard. 6: 565-580.
Family:Euphorbiaceae
Description:Distribution and Ecology - Frequent on the sandy plain, West End. Tortola; St. Jan; St. Thomas; Culebra; Vieques:—Porto Rico to St. Vincent.

Discussion:

(Euphorbia articulata Aubl.)

AKLEMA PETIOLARIS (Sims) Millsp.

Frequent on the rocky plain. Tortola; St. Jan; St. Thomas; Culebra; Vieques:—Hispaniola to St. Martin and Guadeloupe.

RHACOMA CROSSOPETALUM L.

Frequent on the sandy plain, West End. Virgin Gorda; Tortola; Culebra; St. Thomas; St. Jan:—Florida; Bermuda; West Indies; Colombia.

GYMINDA LATIFOLIA (SW.) Urban.

Frequent on the sandy plain, West End. St. Thomas; Vieques: —Florida; West Indies; Mexico.

ELAEODENDRON XYLOCARPUM (Vent.) DC.

Frequent on the sandy plain, West End. Tortola; St. Jan; St. Thomas; St. Croix; Vieques; Culebra:—Porto Rico.

SERJANIA POLYPHYLLA Radlk.

Frequent on the rocky plain. Tortola; St. Jan; St. Thomas; Vieques; St. Croix:—Porto Rico; Hispaniola. Recorded from Colombia.

DODONAEA EHRENBERGII DC.

Common on the sandy plain, West End. Bahamas; Cuban Cays; Hispaniola; Mona.

SARCOMPHALUS DOMINGENSIS (Spreng.) Urban.

Occasional on the rocky plain. Virgin Gorda; Tortola; Vieques: —Hispaniola; Porto Rico; Anguilla.

COLUBRINA COLUBRINA (L.) Millsp.

Occasional on the rocky plain. Virgin Gorda; Tortola; St. Thomas; St. Jan; St. Croix; Vieques; Culebra:—Florida; West Indies south to Antigua; recorded from Barbados; Yucatan.

REYNOSIA UNCINATA Urban.

Frequent on the rocky plain. Tortola:—Porto Rico; Mona; Anguilla.

ClSSUS TRIFOLIATA L.

Frequent on the rocky plain. St. Jan; St. Thomas; St. Croix; Vieques:—West Indies south to Martinique; northern South America.

CORCHORUS HIRSUTUS L.

Frequent on the sandy plain, West End. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Vieques:—West Indies south to St. Eustatius; Bonaire; Curacao; Aruba.

SIDA CILIARIS L.

Occasional on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix:—Florida; West Indies, south to Bequia; Margarita; Curacao; Aruba; continental tropical America.

PASSIFLORA SUBEROSA L.

Occasional on the rocky plain. St. Thomas; St. Croix; St. Jan; Culebra; Vieques:—Florida; Bermuda; West Indies; continental tropical America.

CACTUS INTORTUS Mill.

Occasional on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Vieques:—Bahamas; Mona; Porto Rico to Montserrat and Antigua.

CEPHALOCEREUS ROYENI (L.) Britton & Rose.

Frequent on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—Porto Rico; Mona; Desecheo.

RHIZOPHORA MANGLE L.

Mangrove swamps, West End. St. Thomas; St. Croix; St. Jan; Vieques:—Florida; Bermuda; West Indies; tropical continental America; west tropical Africa.

CONOCARPUS ERECTA Jacq.

Mangrove swamps, West End. Virgin Gorda; Tortola; St. Thomas; St. Jan; St. Croix; Vieques:—Florida; Bermuda; West Indies and continental tropical America.

LAGUNCULARIA RACEMOSA (L.) Gaertn. f.

Mangrove swamps, West End. St. Thomas; St. Jan; St. Croix; Vieques:—Florida; West Indies; tropical continental America.

EUGENIA AXILLARIS (SW.) Willd.

Sandy plain, West End. St. Croix; Vieques:—Florida; Bermuda; West Indies, south to Guadeloupe. The determination is based on specimens showing foliage only. The species is not recorded from Tortola, St. Jan, or St. Thomas.

BUMELIA OBOVATA (Lam.) A. DC.

A narrow-leaved race. Occasional on the sandy plain, West End. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix:— Hispaniola to Santa Lucia; Bonaire; Curacao; Aruba. Recorded from Jamaica.

JACQUINIA BARBASCO (Loefl.) Mez.

Frequent on the sandy plain, West End. Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—Jamaica; recorded from Cuba; Porto Rico to Tobago; Curacao.

CENTAURIUM BRITTONII Millsp. & Greenm.

Shaded saline soil, West End. Bahamas.

PLUMIERA ALBA L.

Occasional on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—Porto Rico to Grenada.

URECHITES LUTEA (L.) Britton.

Occasional on the sandy plain, West End. Tortola; St. Jan; St. Thomas; St. Croix; Vieques:—Florida; West Indies, south to St. Kitts, and recorded from St. Vincent.

ASTEPHANUS.

Sandy plain, West End. Endemic.

EVOLVULUS GLABER Spreng.

Frequent on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix:—Florida; West Indies; tropical South America.

EVOLVULUS SERICEUS SW.

On the rocky plain near the settlement; a short-leaved, shortsepaled race, occurring also on Anguilla, St. Martin, and Porto Rico.

EVOLVULUS SQUAMOSUS Britton.

Occasional on the rocky plain. Bahamas.

JACQUEMONTIA RECLINATA House.

Sandy plain, West End. Florida; Bahamas.

MALLOTONIA GNAPHALODES (L.) Britton.

Frequent on sand dunes, West End. Virgin Gorda; St. Jan; St. Thomas; St. Croix; Vieques:—Florida; Bermuda; West Indies; Central America.

VARRONIA BAHAMENSIS (Urban) Millsp.

Frequent on the sandy plain, West End. Bahamas.

LANTANA INVOLUCRATA L.

Common on the sandy plain, West End. Tortola; St. Jan; St. Thomas; Culebra; Vieques; St. Croix:—Florida; Bermuda; West Indies; Mexico; Galapagos Islands.

VOLKAMERIA ACULEATA L.

Frequent on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Culebra:—Vieques; Bermuda; West Indies, south to Martinique; continental tropical America.

ClTHAREXYLUM FRUTICOSUM L.

Occasional on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; Culebra; Vieques:—Florida; Bahamas; Jamaica; Cuba; Hispaniola; Porto Rico to Dominica and Guadeloupe.

SALVIA SEROTINA L. (S. micrantha Vahl.)

Rocky plain, near the settlement. Tortola; St. Jan; St. Croix:— Florida; Bermuda; West Indies; Yucatan.

SOLANUM PERSICIFOLIUM Dlinal.

Occasional on the rocky plain. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—Porto Rico.

LYCIUM AMERICANUM Jacq.

Occasional on the rocky plain. Anguilla; Hispaniola; Cuba. PHYSALIS ANGULATA L.

Occasional on the rocky plain. Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—southern United States; Bermuda; West Indies; continental tropical America.

TABEBUIA HETEROPHYLLA (DC.) Britton.

Occasional on the rocky plain. Virgin Gorda; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—Porto Rico.

RANDIA ACULEATA L.

Frequent on the rocky plain. St. Jan; St. Thomas; St. Croix; Vieques:—Florida; Bermuda; West Indies; Mexico.

ERITHALIS FRUTICOSA L.

Common on the sandy plain, West End. Virgin Gorda; Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—West Indies; Central America.

STRUMPFIA MARITIMA Jacq.

Common on the sandy plain, West End. Tortola; Vieques:— Florida; West Indies; south to Guadeloupe; Bonaire; Curacao; Aruba; Yucatan.

ERNODEA LITTORALIS SW.

Sandy plain, West End. Tortola; St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—West Indies, south to Guadeloupe; Central America.

SPERMACOCE TENUIOR L.

Frequent on the rocky plain. St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—southern United States; Bermuda; West Indies; continental tropical America.

CUCUMIS ANGURIA L.

On the rocky plain near the settlement. St. Jan; St. Thomas; St. Croix; Culebra; Vieques:—Florida; West Indies; continental tropical America.

SCAEVOLA PLUMIERI (L.) Vahl.

Frequent on sand dunes, West End. Virgin Gorda; Tortola; St. Thomas; St. Croix; Vieques:—Florida; Bermuda; West Indies; Mexico; tropical Africa.

GUNDLACHIA CORYMBOSA (Urban) Britton.

Abundant on the sandy plain, West End. Bahamas; Porto Rico to Guadeloupe; Curasao. Not known from the other Virgin Islands, but found on Saba.

PLUCHEA PURPURASCENS (SW.) DC.

Moist places on the rocky plain. St. Thomas; St. Croix:— southeastern United States; Bermuda; West Indies, south to Guadeloupe; continental tropical America.

BORRICHIA ARBORESCENS (L.) DC.

Abundant in salinas, West End. St. Thomas; St. Croix; Culebra; Vieques:—southeastern United States; Bermuda; West Indies and continental tropical America.

WEDELIA PARVIFLORA L. C. Rich.

Frequent on the rocky plain. Tortola; St. Jan; St. Thomas; St. Croix; Vieques; Culebra:—Porto Rico to Trinidad.

BRYUM MICRODECURRENS E. G. Britton.

On the rocky plain near the settlement. Mona.

HYMENOSTOMUM BREUTELII (C. Muell.) Broth.

On the rocky plain near the settlement. Tortola; St. Jan; St. Thomas.

CHARA.

In a water hole near the settlement.

Distribution:Puerto Rico South America| Saint Vincent and the Grenadines South America|