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|Family: Boraginaceae||View Description||Dichotomous Key|
|Genus: Cryptantha||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Cryptantha costata Brandegee
Habit: Annual 10--20 cm, coarse; root often red-purple. Stem: branches few, stiff; dense-strigose and sparse-spreading-bristly. Leaf: 1--3(4) cm, linear to lanceolate, +- folded along midvein, drying long-acuminate or awl-shaped, dense-strigose and rough-hairy to sparse-spreading-bristly, hairs bulbous-based. Inflorescence: in 1s or 2s, dense; bracts +- scattered, spreading-bristly, deciduous; pedicel 0--0.5 mm, stiff-spreading. Flower: calyx 2.5--4 mm, 4--6 mm in fruit, generally constricted above, persistent, lobes lance-linear, tips +- spreading, strigose on margins, midvein thickened, especially in age, dense-long-bristly; corolla limb 1--2(2.5) mm diam, appendages minute, pale yellow. Fruit: nutlets (3)4, 1.2--1.8(2) mm (1 +- > others), triangular or oblong-ovate, brown, shiny, margin occasionally sharp-angled or generally +- flat narrow rim, base wide-truncate; abaxially strongly convex, dome-like, minute-rippled, sparse-grainy to obscurely tubercled, ridge 0; adaxially smooth, flat to +- concave, attachment scar edges not raised, abutted near tip, gapped below, triangular-flare-gapped at base; axis beyond nutlets.
Ecology: Fine sand deposits (coarser soils), creosote-bush scrub; Elevation: < 600(1000) m. Bioregional Distribution: e DMoj, DSon; Distribution Outside California: southern Nevada, Arizona, Baja California. Flowering Time: Jan--May
Synonyms: Cryptantha saxorum Jeps.; Cryptantha seorsa J.F. Macbr.
eFlora Treatment Author: Ronald B. Kelley, Michael G. Simpson & Kristen E. Hasenstab-Lehman
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Cryptantha corollata
Next taxon: Cryptantha crinita
Citation for this treatment: Ronald B. Kelley, Michael G. Simpson & Kristen E. Hasenstab-Lehman 2017. Cryptantha costata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=21214, accessed on March 30, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 30, 2017.