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Caulerpa racemosa (Forsskil) J. Agardh var. clavifera (Turner) Weber-van Bosse 1898:
361, pl. 33, figs 1-3; Okamura 1913: 66, pl. 119, fig. 1 (f. macrophysa); 1931: 102; Yamada
and Tanaka 1938: 60 (f. 'microphysa'); Gilbert 1942: 18; 1946: 78; Taylor 1950: 62;
Dawson 1957: 106, fig. 9c; Taylor 1960: 152, pl. 17, fig. 7; pl. 18, fig. 3; Chapman 1961:
146, fig. 171; Gilbert 1961: 437; Jaasund 1976: 25, fig. 50; Meiiez and Calumpong 1982: 7,
pl. 2A; Dong and Tseng 1984: 282, pl. 140, fig. 4; Payri and Meinesz 1985a: 507; Lewis
1987: 23; Lewis and Norris 1987: 9; Garrigue and Tsuda 1988: 57; Abbott 1989: 226;
Coppejans and Beeckman 1989: 384, fig. 4.
Fucus clavifer Turner 1808: 126 (type locality: Red Sea).
Caulerpa clavifera (Turner) C. Agardh 1817: 23; Dickie 1874: 197; 1876: 244; Howe
1932: 169.
Chauvinia clavifera (Turner) Bory de St Vincent 1829 (1826-1829): 207.
(Figs 28,36)
Plants up to 15 cm long, with spreading stolon 3 mm in diameter and ventral branchlets
beset with rhizoids. Ascending foliar axes up to 3 cm long, bearing up to 15 radially disposed
stipitate ramelli with subspherical inflated ends 2-4 mm in diameter. Colour dark to light
green, the larger plants noticeably paler in hue. Some plants (especially those in sandy
locations) are provided with extensive rhizoids up to 15 mm long, covering c. 30% of the
spreading stolon.
Distribution
Tropical oceans.
Fijian Records
Chapman 1971: 166; South and Kasahara 1992: 49.
Rotuman Distribution
Fapufa (F41 USP 412); Hapmafau (HAP131 USP 366, HAP261 USP 368); Lopta (L21 USP
365, L51 USP 370); Maka Bay (MAK21 USP 364, MAK61 USP 367, MAK101 USP 414).
Habitat and Remarks
This plant is found in relatively sheltered, mainly sandy locations in the back reef, or as
an epiphyte on large Halimeda opuntia clumps or coral heads. At Isilepi, extensive growth of
this variety occurs on sand-covered coral heads together with C. serrulata. Smaller plants
can be concealed within coral rubble on the middle reef, or within thick Chlorodesmis major
or Dictyota friabilis mats. Mainly found in back reef locations such as Hapmafau and Maka
Bay, where they attain large sizes.
Caulerpa racemosa (Forsskil) J. Agardh var. peltata (Lamouroux) Eubank 1946: 42 1,
fig. 2r, s; Gilbert 1961: 439; Tsuda 1964: 5; Meiiez and Calumpong 1982: 8, pl. 2K, Lewis
1987: 22; Lewis and Norris 1987: 9; Silva et al. 1987: 108; Garrigue and Tsuda 1988: 58;
Abbott 1989: 226; Coppejans and Beeckman 1989: 388, figs 27-29; Littler et al. 1989: 46;
Coppejans 1992: 401; Coppejans and Prud'homme van Reine 1992a: 173; 1992b: 696, fig.
17B; Ohba and Enomoto 1992: 28; Verheij and Prud'homme van Reine 1993: 124, pl. 2, fig.
4; Wynne 1993: 22.
Caulerpa peltata Lamouroux 1809b: 332 (type locality: Antilles); Dickie 1876: 244;
Weber-van Bosse 1898: 373, pl. 31, fig. 9; 1913a: 110; 1931: 102; 1932 (1929-1932): 60,
pl. 280, figs 10-12 (var. typica); Lucas 1935: 199; Yamada and Tanaka 1938: 61
(var. typica); Gilbert 1942: 22 (var. typica); Taylor 1950: 65; Dawson 1956: 35, fig. 16b;
1957: 106; Taylor 1960: 155, pl. 17, fig. 2; pl. 18, fig. 1; Chapman 1961: 149, fig. 177;
Durairatnam 1961: 27; Taylor 1966: 350 (var. peltata); Trono 1968: 169, pl. 14, fig. 3;