Cook Islands Biodiversity & Natural Heritage
 

Chamaesyce sparrmanii

Small Spurge

Multimedia & Additional Resources

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Open this image in pop-up window Image: Plant, flower and fruit (Pukapuka) 68KB
Open this image in pop-up window Image: Leaves. Flowers and fruit (Henderson) 38KB

General Information

COMMON NAMES: Small Spurge

TRADITIONAL NAMES: Vayavaya (PK)

GLOBAL DISTRIBUTION: NATIVE Vanuatu - Pukapuka, Marotiri (s.Australs), Pitcairn group (disjunct)

COOK ISLANDS STATUS: Native; S.Group - unknown; N.Group - Pukupuka only (rare); Land, coastal

SIGNIFICANCE LIST: ; Endangered nationally (seriously)

KEY FEATURES: Sprawling shrub to 30cm. STEMS slender, to 60cm, green to pink, sap white. LEAVES opposite, wide-oval, to 10x9mm, tip round, base w/wo uneven lobes. FLOWERS terminal clusters of 5-15 flower-like cyathia. CYATHIUM 2.5mmØ, cuplike, edged with 4 green glands each with a wide white petalloid; centre with minute non-petalled unisexual flowers; female one with protruding ovoid ovary; male many, each with one stamen. FRUIT pendent, 1.5mmØ, green, 3-angled, angles without hairs.

SIMILAR SPECIES: Chamaesyce fosbergii is erect (vs sprawling); stems greater than 4mmØ (vs. less than 4mm); leaves to 4x2cm (vs. to 1.5x1cm); flower-like cyathium with 30+ male flowers (vs. less than 15).

Enlarged Image of 'Chamaesyce sparrmanii'

Cook Islands Distribution

View Distribution Map View Distribution Map

Southern Group: -    Makatea: -
RR 
MG
AT
MK
MT
AK
PL
TK
MN
-
-
-
-
-
-
-
-
-

Northern Group: Present
TN 
MH
RK
PK
NS
SW
-
-
-
+
-
-

Key to Symbols

Scientific Taxonomy

Chamaesyce sparrmanii (P.E.Boissier)
SYNONYMS: Chamaesyce pitcairnensis; Chamaesyce ramosissima; Euphorbia sparrmanii

TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); MAGNOLIOPSIDA (=Dicotyledones); ROSIDAE; Euphorbiales; EUPHORBIACEAE

More Information

SIGNIFICANCE NOTES -
BIODIVERSITY: Endangered nationally (seriously). Comment: On Pukapuka only, a few plants in one very localised area (pers.obs. GMcC 3/2004).

Vouchers & References

Vouchers:
Pukapuka: specimen+photo, in Matanga cemetery, 3/2004, G.McCormack, ID B.Sykes as Chamaesyce sparrmanii, 8/2004.

References:
None recorded.

Data Update History (information):
zTX, zB04b, zM04b, zD04b

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org. Copy citation to system clipboard
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