A Grammatical Dictionary of Botanical Latin

irregular (flower): “having the parts which constitute one series of a flower dissimilar in size or form” (Lindley); “1. wanting in regularity of form; 2. asymmetric, as a flower which cannot be halved in any plane, or one which is capable of bisection in one plane only, zygomorphic” (Jackson); “showing inequality in the size, form, or union of its similar parts” (Fernald 1950): irregularis,-e (adj.B);

- flores regulares v. irregulares (B&H), flowers regular or irregular.

- floribus racemosis irregularibus (Swartz), with the flowers racemose, irregular.

- HEDYSARUM gyrans (Swartz) [revolving], motus irregularis, interdum omnino cessans; sub die calidíssima immobiles, vespere, licet lente, agitans (Swartz), the motion irregular, sometimes completely ceasing; immobile during a very hot day, in the evening, although slowly, agitating.

- flosculi staminiferi, ad circuitum floris, irregulares, 1-sepali, 5-fidi, caeteris majores; ii centrales, regulares, ore 5-fido (Necker), the staminiferous florets on the periphery of the flower, irregular, 1-sepaled, 5-divided, than the rest larger; those that are central, regular, with a 5-divided orifice.

- flores ochroleuci albidi v. rarius pallide coerulescentes, exteriores interdum corolla ampliore magisque irregulari radium capituli formantes (B&H), the flowers ochroleucous, whitish or more rarely pale blueish, the outer sometimes with a larger corolla and more irregular, [the exterior ones] forming the ray of the capitulum.

- corollis florum exteriorum (neutrorum v. rarius femineorum ) iis disci majoribus regularibus v. varie irregularibus (B&H), with the corollae of the outer flowers (neuter or more rarely female) with those of the disc larger, regular or variously irregular.

- cymae irregulares, paucifloras, in una axilla v. secus pedunculum axillarem sessiles (B&H), cymes irregular, few-flowered, in one axil or along the axillary peduncle, sessile.

- flores parvi, terminales v. axillares, solitarii v. in fasciculis v. umbellis irregularibus (B&H), flowers small, terminal or axillary, solitary or in irregular fascicles or umbels.