A Grammatical Dictionary of Botanical Latin

tetr-, tetra-: in Gk. comp., four-, 4-; having four, as four parts; containing four; in L. comp. quadri-, q.v.; see four-; - tetr- + andrus, tetrandrus, 4-stamened; tetranthus, four-flowered (L. quadristamineus).

- tetra-cephalus, four-headed (L. quadriceps,-cipitis); tetrachromus, tetrachomous, with four colors; tetragonolobus, with 4-angled lobes; tetragonus, 4-angled L. quadrangulus); tetragynus, with 4 styles or carpels; tetramerus, with parts in fours; tetraphyllus, 4-flowered (L. quadrifolius); tetrapterus, 4-winged; tetrasepalus, 4-sepalled; tetraspermus, 4-seeded; tetrasporus, 4-spored; tetrastichus, in four rows.

- Tetrapanax,-acis (s.n.III) four + Panax; Tetragonia,-ae (s.f.I), four-angled, in allusion to the angled fruit.

- both L. & Gk.: L. quadrantherus, Gk. tetrantherus; L. quadripetalus, Gk. tetrapetalus, with four petals; L. quadripolaris, Gk. tetrpolaris, with four poles; L. quadrilobus, Gk. tetralobus.

Tetracentron (s.n.II), from Gk. tetra, four + centron, a spur, “The fruit is four-spurred” (Stearn 1996); Tetraclinis (s.f.III), from Gk. tetra, four + cline, a bed “The leaves of this evergreen tree are grouped in fours” (Stearn 1996). NOTE: although the prefix is always spelled with a terminal -a- in Greek compounds, in the genus name Tetrodontium, the terminal vowel of tetra as well as the connecting vowel are both elided before the initial vowel of -odontium (odont-, tooth). Tetr[a]-[o-]-odontium, in reference to a peristome composed of four teeth. Tetrodus, from tetr- + Greek odous, odontos, s.m.III, a tooth, Tetr-orcidiopsis, Tetr-orchidium, Tetr-oncium; Tetraphis,-idis (s.f.III), abl. sg. Tetraphide ‘in reference to the four teeth of the peristome.’