glossary:

abaxial achene acuminate acute adaxial adhere adherent adnate adventitious roots adventive aggregate alternate annual anther antrose apex apices apical abaxial apiculate appendage appressed aristate aromatic articulate ascending asexual asymmetrical attenuate auricle autumnal awn axil axillary axis barbed basal bearded bi- bifid bilateral binomial bisexual blade bloom branch bristle bud bulb bulliform cell bur caespitose callus capillary capitate capitellate cartilaginous caryopsis cauline cental axis central groove cespitose chlorenchyma ciliate cilioate clasping cleistogamous cluster coleoptile coleorhiza collar column compact compressed concave connate continuous contracted convex cordate coriaceous cork cell corm crisp crown culm cylindrical deciduous decumbent deflexed deltoid dense depauperate dermal dichoutamous key diffuse digitate dilated dioecious diploid disarticulate discoid distichous divergent dorsal elliptic elongate emarginate embryo embedded endosperm entire epiblast equal erect erose exserted fascicle fertile fibrous filiform first glume flabellate flexuous floral axis floret flower flowering fruit fusiform geniculate genus gibbous glabrate glabrescent glabrous glandular glaucous globose glumes grass flower habit herbaceous herbarium specimen hirsute hispid hyaline identification imbricate imperfect inconspicuous indehiscent indurate infertile inflated inflorescence inrolled intercalary meristem ICBN internode involucre involute joint keel lacerate lanate lanceolate lateral leaf leaf blade leaf sheath lemma ligule linear lobed lodicules longevity margins mat-forming membranous meristem mesic midrib midvein minute monocotyledons monoecious motte mucro mucronate muticous neuter node nomenclature ob- obconic oblique oblong obovate obovoid obpyriform obtuse one-sided open opposite orbicular oval ovate ovulate ovule paired palea panicle papilla papillose pectinate pedicel pedicellate peduncle perennial perfect pericarp persistent petiole pilose phytomere pinnate pistil pistillate pithy pitted (pit) plano-convex playa plumbeous plumose polyploid primary branch primary unilateral branch prophyll prostrate puberulent pubescent pulvini punctate pungent pyramidal raceme racemose rachilla rachis range condition reduced reduced floret reflexed resaca resinous reticulate retrorse revolute rhizome rhizomatous rosette rounded rudiment rudimentary rugose saccate scabrous scarious schlerenchyma scutellum second glume secondary series serrate sessile setaceous setae sheath short cell silica cell sinuate solitary spathe spatheate species spherical spicate spikelet spines spiral spreading squarrose stamen staminate sterile stigma stipe stolon stoloniferous striate sub subequal subtend subterranean subulate succulent systematics taxon terete terminal tessilate tiller tomentose transverse triad triangular truncate tuberculate tufted turgid undulate unilateral unisexual vein velvety vernal verrucose verticel verticillate vestigial verification vestiture villous viscid voucher specimen whorl(ed) winged xeric