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|Family: Boraginaceae||View Description||Dichotomous Key|
|Genus: Cryptantha||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Cryptantha ambigua (A. Gray) Greene
Habit: Annual 10--30(45) cm, generally without a central stem, occasionally erect. Stem: 1--many, branches from base, above, occasionally decumbent; +- short-strigose and spreading-fine-bristly. Leaf: 2--4(5) cm, generally oblong to linear, upper little reduced; +- sparse-strigose, bristles on margin, midvein, spreading to ascending +- bulbous-based. Inflorescence: in 1s (2s); bracts generally 0; pedicel generally 0.5--1 mm in fruit, ascending to spreading. Flower: calyx 1.5--2.5 mm, 4--6(7) mm in fruit, +- truncate at base, +- constricted above, late-deciduous, lobes erect to occasionally spreading, +- lance-linear, margin with ascending rough hairs, midvein +- thickened with +- tawny coarse bristles; corolla late-deciduous, limb 1--2 mm diam, appendages minute. Fruit: nutlets 3--4, (1.4)1.6--2 mm, wide-ovate, +- fine-grainy, sparse-low-tubercled, +- gray, +- shiny, margin rounded, base truncate, tip tapered; abaxially low-rounded, ridge generally 0; adaxially biconvex, attachment scar edges not raised, generally abutted entire length, occasionally narrow-gapped, wide-forked but generally not gapped at base; axis to nutlets or not.
Ecology: Dry, sandy or gravelly areas in sagebrush scrub to open conifer forest, occasionally pinyon/juniper woodland; Elevation: 1100--2500 m. Bioregional Distribution: CaRH, n&c SNH, GB (exc W&I); Distribution Outside California: to southern British Columbia, Montana, Wyoming, Colorado. Flowering Time: May--Aug
eFlora Treatment Author: Ronald B. Kelley, Michael G. Simpson & Kristen E. Hasenstab-Lehman
Jepson Online Interchange
Previous taxon: Cryptantha affinis
Next taxon: Cryptantha angustifolia
Citation for this treatment: Ronald B. Kelley, Michael G. Simpson & Kristen E. Hasenstab-Lehman 2017. Cryptantha ambigua, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=21189, accessed on February 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 21, 2017.