Definition of "pennatula" []

• Any one of numerous species of Pennatula, Pteroides, and allied genera of Alcyonaria, having a featherlike form; a sea-pen. The zooids are situated along one edge of the side branches. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Subtropical matorral habitats consist of Acacia pennatula mixed with other Acacia, Ipomoea and Bursera, interspersed with Opuntia, and Stenocereus."