Cryptantha is a genus of flowering plants in the borage family, Boraginaceae. They are known commonly as cat's eyes and popcorn flowers (the latter name is also used to refer to the closely related genus Plagiobothrys,Hasenstab-Lehman, K. E. and M. G. Simpson. (2012). Cat's eyes and popcorn flowers: phylogenetic systematics of the genus Cryptantha s. l. (Boraginaceae). Systematic Botany 37(3), 738-57. and members of the subtribe of Amsinckiinae). They are distributed throughout western North America and western South America, but they are absent from the regions in between.
These are annual or perennial herbs usually coated in rough hairs and bearing rounded flower corollas that are almost always white, but are yellow in a few species. Several morphological characters are used to distinguish species from one another, but the most definitive is the form of the nutlet, which varies in shape, size, color, and pattern of attachment.
Species The genus has been reorganized several times. , Plants of the World Online accepts about 110 species: Cryptantha abata I.M.Johnst. Cryptantha affinis – slender catseye, common cryptantha, quill cryptantha Cryptantha alfalfalis Cryptantha alyssoides Cryptantha ambigua – basin cryptantha, obscure cryptantha, Wilke's cryptanthaWTU Herbarium Cryptantha aprica Cryptantha arenophila Rebman & M.G.Simpson Cryptantha argentea Cryptantha barbigera — bearded catseye Cryptantha bridgesii (Phil.) Brand Cryptantha buchtienii Brand
Cryptantha calycina Cryptantha calycotricha Cryptantha capituliflora Cryptantha catalinensis M.G.Simpson & Rebman Cryptantha chaetocalyx Cryptantha clandestina Cryptantha clemensae Payson Cryptantha clementina Rebman & M.G.Simpson Cryptantha clevelandii – Cleveland's cryptantha Cryptantha clokeyi – Clokey's cryptantha Cryptantha congesta Cryptantha crassisepala – deertongue, thick-sepal catseye Cryptantha crinita – Sacramento cryptantha Cryptantha cycloptera (Greene) Greene Cryptantha cynoglossoides
Cryptantha decipiens – gravel cryptantha, gravel-bar catseye Cryptantha dichita Cryptantha diffusa Cryptantha dimorpha Cryptantha dissita Cryptantha dolichophylla Cryptantha dumetorum – bush-loving catseye Cryptantha echinella – hedgehog cryptantha, prickly cryptantha Cryptantha echinosepala J.F.Macbr. Cryptantha excavata – deepscar cryptantha
Cryptantha fendleri – Fendler's cryptantha, sand-dune catseye Cryptantha filaginea Cryptantha filiformifolia J.F.Macbr. Cryptantha filiformis Cryptantha flaccida – weakstem cryptantha Cryptantha foliosa
Cryptantha ganderi – Gander's cryptantha Cryptantha glareosa Cryptantha globulifera Cryptantha glomeriflora – Truckee cryptantha Cryptantha glomerulifera Cryptantha gnaphalioides Cryptantha gracilis – narrowstem catseye, narrowstem pick-me-not Cryptantha grandiflora Rydb. Cryptantha granulosa Cryptantha haplostachya Cryptantha hispida (Phil.) Reiche Cryptantha hispidissima Greene Cryptantha hispidula – Napa cryptantha Cryptantha hooveri – Hoover's cryptantha Cryptantha incana – Tulare cryptantha Cryptantha intermedia – Clearwater catseye, common cryptantha Cryptantha involucrata
Cryptantha juniperensis R.B.Kelley & M.G.Simpson Cryptantha kelseyana – Kelsey's cryptantha Cryptantha kingii Cryptantha kinkiensis Rebman & M.G.Simpson Cryptantha latefissa Cryptantha leiocarpa – coastal cryptantha Cryptantha limensis Cryptantha linearis Cryptantha longifolia Cryptantha longiseta (Phil.) Brand Cryptantha macrocalyx Cryptantha marioricardiana Cryptantha mariposae – Mariposa cryptantha Cryptantha maritima – Guadalupe catseye Cryptantha marticorenae Cryptantha martirensis Cryptantha mendocina Cryptantha microstachys – Tejon cryptantha Cryptantha milobakeri – Milo Baker's cryptantha Cryptantha minima – little catseye, small cryptantha Cryptantha mohavensis – Mojave cryptantha Cryptantha multicaulis A.Nelson Cryptantha muricata – pointed catseye, prickly cryptantha Cryptantha nemaclada : Colusa cryptantha Cryptantha nevadensis : Nevada catseye Cryptantha oxygona – sharpnut cryptantha, sharpseed cryptantha Cryptantha papillosa Cryptantha patagonica Cryptantha patula Cryptantha peruviana Cryptantha phaceloides Cryptantha pondii Greene Cryptantha pterocarya – winged pick-me-not, wingnut catseye Cryptantha recurvata – curvenut catseye Cryptantha romanii Cryptantha rostellata – beaked catseye Cryptantha scoparia – desert cryptantha, pinyon desert cryptantha Cryptantha simulans – pine cryptantha, pinewoods cryptantha Cryptantha spathulata Cryptantha subamplexicaulis Cryptantha taltalensis Cryptantha texana Cryptantha torreyana – Torrey's catseye Cryptantha traskiae – Trask's cryptantha Cryptantha utahensis – scented catseye, Utah cryptantha Cryptantha varians Brand Cryptantha vidali Cryptantha virens Cryptantha volckmannii Cryptantha watsonii – Watson's cryptantha Cryptantha werdermanniana Cryptantha wigginsii
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Many Cryptantha species have been transferred to other genera:Simpson, M. G. and the Plant Systematics Lab, SDSU. Cryptantha s.l. Taxonomy & Images. Based upon Hasenstab-Lehman, K. E. and M. G. Simpson. (2012). Cryptantha angustifolia → Johnstonella angustifolia Cryptantha cana → Oreocarya cana Cryptantha cinerea → Oreocarya suffruticosa var. setosa Cryptantha circumscissa → Greeneocharis circumscissa Cryptantha confertiflora → Oreocarya confertiflora Cryptantha crassipes → Oreocarya crassipes Cryptantha flavoculata → Oreocarya flavoculata Cryptantha humilis → Oreocarya humilis Cryptantha jamesii → Oreocarya suffruticosa var. suffruticosa Cryptantha micromeres → Johnstonella micromeres Cryptantha nubigena → Oreocarya nubigena Cryptantha pustulosa → Oreocarya suffruticosa var. pustulosa Cryptantha roosiorum → Oreocarya roosiorum Cryptantha subcapitata → Oreocarya subcapitata Cryptantha virginensis→ Oreocarya virginensis
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