evanescent, impermanent, fleeting, illusory, transitory, ethereal, ineffable, numinous, illusionary, abstract, banal, graspable, insubstantial, mutable, nebulous, transcendental, unnamable, formless, ex nihilo, placeless, liminal, performative, delusory, impalpable, gossamer, intangible, chimerical, apparitional, individuated, immutable, easeful, eidetic, depictive, quotidian, vaporous, contentless, irreproducible, illusive, chthonic, paradoxical, transcendent, allusive, reified, aphoristic, ludic, incommensurable, amorphous, aleatory, unknowable, mundane, epiphanic, oneiric, unimportant, inconsequential, otherworldly, memento mori, phantasmal, metaphysical, unuttered, unmediated, proustian, depthless, connotative, illimitable, indefinable, fecund, edenic, illusional, overdetermined, fickle, wordsworthian, poetical, meaningless, inchoate, alchemical, inanimate, intrinsic, nonobjective, ineradicable, impressionistic, poetic, mythologise, inextricable, essayistic, denotative, undefinable, abstruse, ontological, filmic, noetic, transgressive, elusive, prelapsarian, artful, pantheistic, protean, sapient, ineluctable, entropic, incommunicable, whimsical, originary, decorative, pity, bitterness, committal, compassion, convincing, defensive, disgust, distinguishing, earnest, haste, petty, reliance, shrillness, absorbing, accommodating, admiring, affirm, arbitrary, avail, incorporeal, perishable, rarer, changeable, corporeal, phenomenal, rarest, sensuous, shortlived, unsubstantial, exotic, created, enduring, existent, imperishable

black-eyed susan, bladder ketmia, calandrinia, flower-of-an-hour, flowers-of-an-hour, genus calandrinia, hibiscus trionum, portulaca, swell, well up

fugacious, passing, short-lived, temporary, transient