Caulerpa cupressoides (Vahl) C. Agardh, 1817

Coppejans, Eric, Leliaert, Frederik, Verbruggen, Heroen, de Clerck, Olivier, Schils, Tom, de Vriese, Thomas & Marie, Daniel, 2004, The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean), Journal of Natural History 38 (23), pp. 2959-3020 : 2980-2981

publication ID 10.1080/00222930410001695024

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Caulerpa cupressoides (Vahl) C. Agardh, 1817


Caulerpa cupressoides (Vahl) C. Agardh, 1817 : XXIII var. cupressoides

Note. See note on C. cupressoides var. lycopodium f. disticha.

* Caulerpa cupressoides (Vahl) C. Agardh var. lycopodium Weber-van Bosse

f. disticha Weber-van Bosse, 1898: 327, 338, pl. 27, figure 14 View FIGS References: Coppejans and Beeckman, 1990: 112–114, figures 3–7 View FIGS View FIGS ; Coppejans, 1992: 389, figure 1b View FIG (~ecad lycopodium-disticha); Coppejans and Prud’homme van Reine, 1992: 673, figures 2C, D View FIGS , 10A, B View FIGS (~ecad lycopodium-disticha); Payri et al., 2000: 90, figure p. 91.

Syntype localities. Guadeloupe , West Indies ; Florida, USA .

Vouchers. HEC 14625b; 21 September 2001 , HEC 14737, HEC 14738, 18 September 2001, western part of Cotton Bay (s.s. 13) ; HEC 14692 (zS), 20 September 2001, Rivière Banane (s.s. 12) ; HEC 14770, 25 September 2001, Passe Grand Bassin (s.s. 2) ; HEC 14834 (zS), 27 September 2001, Baie de l’Hermitage (s.s. 22) ; HEC 14882, 1 October 2001, Totor (s.s. 9) .

Ecology. On silty-sandy bottom of intertidal pools as well as in shallow subtidal.

Distribution. India, Rodrigues (this paper), Tanzania.

Note. Caulerpa cupressoides var. cupressoides , with the typical three vertical rows of spiny branchlets along the whole rachis of the assimilators, has not been observed on Rodrigues. The majority of the specimens belong to var. lycopodium , with two opposite rows of these branchlets. One collection contains assimilators that have opposite rows of branchlets in the basal part of the assimilators and three rows higher up. This phenomenon has been reported previously ( Coppejans and Prud’homme van Reine, 1992: 676, figure 2B View FIGS ) and casts doubt on the varietal value. The specimens close to the reef crest have shorter assimilators that are stiff, creamy green, sometimes with a somewhat recurved rachis. Those from sheltered areas are longer and more supple, of very different width. The rachis of the assimilators is generally unbranched, but repeatedly dichotomously branched specimens have also been collected. In one collection (HEC 14738), the rachis is more compressed (and wider), tending to C. lessonii Bory de Saint- Vincent ( Coppejans and Prud’homme van Reine, 1992: 692, figure 5 View FIGS ). Yet another collection (HEC 14882) is extremely thin and elegant, with relatively short branchlets. The latter character excludes its attribution to var. lycopodium f. elegans.

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