tetragonus

tet·ra·go·nus

(tet'ră-gō'nŭs),
Obsolete term for platysma (muscle).
References in periodicals archive ?
Harrisia (Eriocereus) martinii (Labour.) Britton--Harrisia cactus, Acanthocereus tetragonus (L.) Hummelink--sword pear, pp.
44 Jacubo Acanthocereus tetragonus (L.) Hummerlinck 45 Juanjilon Pseudobombax ellipticum (Kunth) Dugand 46 Laurel Litsea glaucescens Kunth 47 Limon dulce Citrus limetta Risso 48 Limoncillo Esenbeckia berlandieri Baillon 49 Lirio rojo Hippeastrum hybrid 50 Lirio blanco en Crinum commelynii Jacq.
At the species level, regarding the importance value, Croton niveus, Acanthocereus tetragonus and Opuntia engelmannii were the most relevant at each layer.
Regarding the shrub and herbaceous layers, Acanthocereus tetragonus and Opuntia engelmannii had 84.57 and 97.24% relative dominance, respectively; these values were higher than those of all other species, revealing their physiognomic role in these layers.
Inflorescences in racemes of aggregate triads in the terminal portion of the branch, 6-7 cm in length, 4 pairs of triads per inflorescence, axis of inflorescence compressed to tetragonus, bracts acute-dentate with the middle bracts being larger than the lateral bracts.
Tallos de 3 a 4 costillas, areolas sin lana, Acanthocereus fruto espinoso tetragonus 7'.
1.1 Acanthocereus tetragonus (L.) Hummelinck, Succulenta (Netherlands) 20: 165.
tetragonus 1978, Loza-Cornejo & Terrazas, 2003; Mauseth & Plemons- Rodiriguez, 1997, 1998 Acharagma aguirreana Eggli, 1984 Ariocarpus fissuratus, A.
En aquellos sitios donde el bosque ha sido mas intervenido crecen especies heliofilas como Ruellia macrophylla, Justicia carthagenensis (Acanthaceae), Weddelia symmmetrica (Asteraceae), Acanthocereus tetragonus, Pilosocereus lanuginosus (Cactaceae), Canavalia brasiliensis (Leguminosae), Rivinia humilis (Phytolaccaceae), Panicum maximum, Urochloa fasciculata (Poaceae), Paullinia macrophylla, Serjania mexicana (Sapindaceae), Solanum bicolor y S.
baduca (Buche), Prosopis juliflora (trupillo), Gliricidia sepium (mataraton), Acacia farnesiana (aromo), Guaiacum officinale (guayacan), y Stenocereus griseus (candelabro), Pereskia guamacho, Philoxereus russellianus, y Acanthocereus tetragonus (cactus).