A Grammatical Dictionary of Botanical Latin

annual, lasting a year, recurring yearly; “flowering and fruiting in the same year in which it is raised from seed” (Lindley); “of only one year’s duration. Winter-annual, a plant from autumn-sown seed which glooms and fruits in the following spring” (Fernald 1950); (in bryology) “of one year’s duration; completing life cycle in one year” (Magill (1990); (in fungi) “completing growth in one season” (S&D): annuus,-a,-um (adj. A); see yearly; see summer annual, winter annual; cf. perennis,-e (adj.B), lasting throughout the year and from year to year; see perennial; cf. biennis,-e (adj.B), biennial, q.v., continuing two years; cf. ephemeral, ephemerous, fleeting, transitory, short-lived, with a short life cycle; “enduring but a day” (Lindley), lasting for a day or less;

- radices perennes lignosae seu herbaceae annuae (DeCandolle), the roots perennial, woody or herbaceous, annual.

- herba annua, annual herb.

- herbae saepe perperam annuae dictae (B&H), herbs often incorrectly called annuals.

- herbae nunc perennes v. suffruticosae, nunc annuae, ramosae, herbs sometimes perennial or subshrubby, sometimes annual, branches.

- herbae annuae, imprimis vernales, herbs annual, principally vernal (of spring).

- herbae annuae perennes v. suffrutescentes rarius fruticosae, annual, perennial or subshrubby, more rarely shrubby.

- herbae annuae radice fibrosa, v. perennantes caudice lignoso (B&H), annual herbs with a fibrous root or perennial [herbs] with a woody caudex.

- herba annua dicitur, quae eodem anno nata flore fructuque perfectis moritur, ut frumenta (Tourn.), an herb is called ‘annual,’ which, having been born, dies in the same year, after the the flower and fruit have been perfected, as in grain crops.

summer annual (plant), q.v., spring-germinating, dying by autumn; planta,-ae (s.f.I) annua (adj.A), planta aestivalis (adj.B) or aestiva (adj.A).

winter annual (plant), q.v., autumn germinating, overwintering and dying the following autumn; planta,-ae (s.f.I) annua (adj.A) hiemalis (adj.B).

NOTE: herbaceus,-a,-um (adj.A), q.v., “producing an annual stem from a perennial root” (Lindley).

“Duration and Fall of the Leaf.-The leaf varies as regards its duration, and receives different names accordingly. Thus when it falls off soon after its appearance, it is said to be fugacious or caducous; if it lasts throughout the season in which it is developed, it is deciduous or annual” (Bentley).