Major non-taxonomic subdivision of the genus Acropora and their morpholoical attributes (according to Veron)

 

Groups

Species

Group characteristics

Isopora

A.palifera, A.cuenata, A.brueggemani

More than one axial corallite, coenosteum with spinules, columnar, branching, encrusting;

A.humilis

A.humilis, A.gemmifera, A.monticulosa, A.samoensis, Adigitifera, A.multiacuta

Colonies corymbose, axial corallite flattened;

A.lovelli

A.bushyensis, A.verweyi, A.glauca

A very arbitrary group

A.robusta

A.robusta, A.danai, A.palmerae, A.nobilis, A.polystoma

Similar radial corallites, coarse coenosteum;

A.formosa

A.grandis, A.formosa, A.abrolhosensis, A.acuminata, A.valenciensi

Open branches, aborescent, corallites longer, more tubular, near branch tips;

A.horrida

A.micropthalmata, A.kirstyae, A.horrida, A.vaughani, A.austera,

Staghorn corals, aborescent or cespitose, small corallites, very common in PNG;

A.apsera

A.aspera, A.pulchra, A.millepora

High polymorphism, radial corallites w/o upper wall, lower wall with rounded or flaring lips;

A.selago

A.tenuis, A.selago, A.donei, A.dendrum, A.yongei

Branches thin and open, scale-like protruding radial corallites;

A.hyacinthus

A.cythera, A.microcladus, A.paniculata, A.hyacinthus, A.specifera, A.anthoceris

Dominant group on reef crests and upper reef slopes, tabulate, plate-like colonies, fine anastomosing branches, small corallites;

A.latistella

A.latistella, A.subulata, A.nana, A.aceleus, A.azurea

Small appressed corallites, branchelets slender;

A.nasuta

A.cerealis, A.nasuta, A.valida, A.secale, A.lutkeni

One of the most dominant groups, bushy colonies in horizontal plane, narriform and identical corallites;

A.divaricata

A.claratha, A.divaricata, A.solitaryensis, A.stoddarti

Narriform corallites, coenosteum similar;

A.echinata

A.echinata, A.subglabra, A.carduus, A.elseyi, A.longicyathus

Colonies hispidose or bottlebrush, spiny and fragile, axial corallites long;

A.loripes

A.loripes, A.granulosa, A.caroliniana, A.willisae

Variable growth form, smooth coenosteum, long tapering axial corallites and upward pointing;

A.florida

A.florida, A.sarmentosa

Branches are terete or similar in thickness, corallites are tubular appressed, axial corallites round and large;